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nslookup_bat_2019-08-01_13_30.txt

paladin316
Aug 1st, 2019
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  1.  
  2. * MalFamily: "Nanocore"
  3.  
  4. * MalScore: 10.0
  5.  
  6. * File Name: "nslookup.bat"
  7. * File Size: 1240068
  8. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  9. * SHA256: "2f2fbe5837d5cc9c399e6c77c05b3ae5e4ffe0b797e08adc391fc69a77614f87"
  10. * MD5: "1625fad0e2fd0ddc9699f1506dec4d50"
  11. * SHA1: "9a2e4931f6c9de48e1853665fc06b270cbf88459"
  12. * SHA512: "15fb1b9ddbb9a067c00c85a2a0388da92afcf007ecaf2637d24236da8eb1ca91b2515bf8e40d201780470352f06d5f3a20e26f36a44693e3efed0dfc8eea1b4c"
  13. * CRC32: "F6859685"
  14. * SSDEEP: "24576:tAHnh+eWsN3skA4RV1Hom2KXMmHasOUpLwDim5Ajz3+AAiEnrCOcP5:Mh+ZkldoPK8YasOQLYp496Gr"
  15.  
  16. * Process Execution:
  17. "nslookup.bat",
  18. "RegAsm.exe",
  19. "schtasks.exe",
  20. "schtasks.exe",
  21. "svchost.exe"
  22.  
  23.  
  24. * Executed Commands:
  25. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF8.tmp\"",
  26. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp7749.tmp\""
  27.  
  28.  
  29. * Signatures Detected:
  30.  
  31. "Description": "Attempts to connect to a dead IP:Port (2 unique times)",
  32. "Details":
  33.  
  34. "IP": "127.0.0.1:5556"
  35.  
  36.  
  37. "IP": "79.134.225.96:5556"
  38.  
  39.  
  40.  
  41.  
  42. "Description": "Creates RWX memory",
  43. "Details":
  44.  
  45.  
  46. "Description": "A process attempted to delay the analysis task.",
  47. "Details":
  48.  
  49. "Process": "RegAsm.exe tried to sleep 792 seconds, actually delayed analysis time by 0 seconds"
  50.  
  51.  
  52.  
  53.  
  54. "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
  55. "Details":
  56.  
  57. "ioc": "v2.0.50727"
  58.  
  59.  
  60. "ioc": "2.0.0.0"
  61.  
  62.  
  63.  
  64.  
  65. "Description": "Reads data out of its own binary image",
  66. "Details":
  67.  
  68. "self_read": "process: nslookup.bat, pid: 1960, offset: 0x00000000, length: 0x0012ec04"
  69.  
  70.  
  71. "self_read": "process: RegAsm.exe, pid: 2264, offset: 0x00000000, length: 0x00001000"
  72.  
  73.  
  74. "self_read": "process: RegAsm.exe, pid: 2264, offset: 0x00000080, length: 0x00000200"
  75.  
  76.  
  77. "self_read": "process: RegAsm.exe, pid: 2264, offset: 0x00000178, length: 0x00000200"
  78.  
  79.  
  80. "self_read": "process: RegAsm.exe, pid: 2264, offset: 0x0000a720, length: 0x00000200"
  81.  
  82.  
  83. "self_read": "process: RegAsm.exe, pid: 2264, offset: 0x0000a73c, length: 0x00000200"
  84.  
  85.  
  86.  
  87.  
  88. "Description": "A process created a hidden window",
  89. "Details":
  90.  
  91. "Process": "RegAsm.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF8.tmp\""
  92.  
  93.  
  94. "Process": "RegAsm.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp7749.tmp\""
  95.  
  96.  
  97.  
  98.  
  99. "Description": "The binary likely contains encrypted or compressed data.",
  100. "Details":
  101.  
  102. "section": "name: .rsrc, entropy: 7.90, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00064600, virtual_size: 0x000644a4"
  103.  
  104.  
  105.  
  106.  
  107. "Description": "Executed a process and injected code into it, probably while unpacking",
  108. "Details":
  109.  
  110. "Injection": "nslookup.bat(1960) -> RegAsm.exe(2264)"
  111.  
  112.  
  113.  
  114.  
  115. "Description": "Attempts to remove evidence of file being downloaded from the Internet",
  116. "Details":
  117.  
  118. "file": "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier"
  119.  
  120.  
  121.  
  122.  
  123. "Description": "Attempts to execute a Living Off The Land Binary command for post exeploitation",
  124. "Details":
  125.  
  126. "MITRE T1078 - schtask": "(Tactic: Execution, Persistence, Privilege Escalation)"
  127.  
  128.  
  129.  
  130.  
  131. "Description": "Installs itself for autorun at Windows startup",
  132. "Details":
  133.  
  134. "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\EcqdWJQTvB"
  135.  
  136.  
  137. "data": "C:\\Users\\Public\\EcqdWJQTvB.vbs"
  138.  
  139.  
  140. "key": "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
  141.  
  142.  
  143. "data": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  144.  
  145.  
  146.  
  147.  
  148. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  149. "Details":
  150.  
  151.  
  152. "Description": "File has been identified by 31 Antiviruses on VirusTotal as malicious",
  153. "Details":
  154.  
  155. "MicroWorld-eScan": "Trojan.Agent.EATP"
  156.  
  157.  
  158. "McAfee": "Trojan-AitInject.aq"
  159.  
  160.  
  161. "BitDefender": "Trojan.Agent.EATP"
  162.  
  163.  
  164. "ESET-NOD32": "a variant of Win32/Injector.Autoit.EDW"
  165.  
  166.  
  167. "APEX": "Malicious"
  168.  
  169.  
  170. "ClamAV": "Win.Dropper.LokiBot-7077252-0"
  171.  
  172.  
  173. "GData": "Trojan.Agent.EATP (2x)"
  174.  
  175.  
  176. "Kaspersky": "Trojan.Win32.Autoit.gen"
  177.  
  178.  
  179. "Rising": "Trojan.Win32.Agent_.sa (CLASSIC)"
  180.  
  181.  
  182. "Endgame": "malicious (high confidence)"
  183.  
  184.  
  185. "Invincea": "heuristic"
  186.  
  187.  
  188. "McAfee-GW-Edition": "BehavesLike.Win32.Downloader.tc"
  189.  
  190.  
  191. "Trapmine": "malicious.high.ml.score"
  192.  
  193.  
  194. "FireEye": "Generic.mg.1625fad0e2fd0ddc"
  195.  
  196.  
  197. "Emsisoft": "Trojan.Agent.EATP (B)"
  198.  
  199.  
  200. "SentinelOne": "DFI - Malicious PE"
  201.  
  202.  
  203. "Antiy-AVL": "Trojan/Generic.ASVCS3S.1E5"
  204.  
  205.  
  206. "Arcabit": "Trojan.Agent.EATP"
  207.  
  208.  
  209. "ZoneAlarm": "Trojan.Win32.Autoit.gen"
  210.  
  211.  
  212. "Microsoft": "Trojan:Win32/Wacatac.B!ml"
  213.  
  214.  
  215. "Acronis": "suspicious"
  216.  
  217.  
  218. "ALYac": "Trojan.Agent.EATP"
  219.  
  220.  
  221. "MAX": "malware (ai score=80)"
  222.  
  223.  
  224. "Ad-Aware": "Trojan.Agent.EATP"
  225.  
  226.  
  227. "Ikarus": "Trojan.Autoit"
  228.  
  229.  
  230. "Fortinet": "AutoIt/Injector.DXQ!tr"
  231.  
  232.  
  233. "MaxSecure": "Trojan.Malware.300983.susgen"
  234.  
  235.  
  236. "Cybereason": "malicious.1f6c9d"
  237.  
  238.  
  239. "Panda": "Trj/Genetic.gen"
  240.  
  241.  
  242. "CrowdStrike": "win/malicious_confidence_90% (W)"
  243.  
  244.  
  245. "Qihoo-360": "HEUR/QVM10.1.C4A5.Malware.Gen"
  246.  
  247.  
  248.  
  249.  
  250. "Description": "Clamav Hits in Target/Dropped/SuriExtracted",
  251. "Details":
  252.  
  253. "target": "clamav:Win.Dropper.LokiBot-7077252-0, sha256:2f2fbe5837d5cc9c399e6c77c05b3ae5e4ffe0b797e08adc391fc69a77614f87, type:PE32 executable (GUI) Intel 80386, for MS Windows"
  254.  
  255.  
  256. "dropped": "clamav:Win.Dropper.LokiBot-7077252-0, sha256:f4d96ef68f32f39f9fc4e08148316bc15a515ef3dfc873888c76187f94147c85 , guest_paths:C:\\Users\\user\\appraiser\\nslookup.bat, type:PE32 executable (GUI) Intel 80386, for MS Windows"
  257.  
  258.  
  259.  
  260.  
  261. "Description": "Creates a slightly modified copy of itself",
  262. "Details":
  263.  
  264. "file": "C:\\Users\\user\\appraiser\\nslookup.bat"
  265.  
  266.  
  267. "percent_match": 100
  268.  
  269.  
  270.  
  271.  
  272. "Description": "Collects information to fingerprint the system",
  273. "Details":
  274.  
  275.  
  276. "Description": "Anomalous binary characteristics",
  277. "Details":
  278.  
  279. "anomaly": "Actual checksum does not match that reported in PE header"
  280.  
  281.  
  282.  
  283.  
  284.  
  285. * Started Service:
  286.  
  287. * Mutexes:
  288. "Global\\CLR_CASOFF_MUTEX",
  289. "Global\\e9cad8f8-d57f-4ba6-b285-c77210594609",
  290. "Global\\.net clr networking"
  291.  
  292.  
  293. * Modified Files:
  294. "C:\\Users\\user\\appraiser\\nslookup.bat",
  295. "C:\\Users\\Public\\EcqdWJQTvB.vbs",
  296. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
  297. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  298. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF8.tmp",
  299. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\task.dat",
  300. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp7749.tmp",
  301. "\\Device\\LanmanDatagramReceiver",
  302. "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem",
  303. "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem Task"
  304.  
  305.  
  306. * Deleted Files:
  307. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  308. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\DSL Subsystem\\dslss.exe",
  309. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6CF8.tmp",
  310. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp7749.tmp",
  311. "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier",
  312. "C:\\Windows\\Tasks\\DSL Subsystem.job",
  313. "C:\\Windows\\Tasks\\DSL Subsystem Task.job"
  314.  
  315.  
  316. * Modified Registry Keys:
  317. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\EcqdWJQTvB",
  318. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem",
  319. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\A11CCB2D-BF83-496D-A097-D7341BC91ADD\\Path",
  320. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\A11CCB2D-BF83-496D-A097-D7341BC91ADD\\Hash",
  321. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Id",
  322. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Index",
  323. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\A11CCB2D-BF83-496D-A097-D7341BC91ADD\\Triggers",
  324. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\4162F30D-5B2A-4A6C-8437-716EB3FBAE8B\\Path",
  325. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\4162F30D-5B2A-4A6C-8437-716EB3FBAE8B\\Hash",
  326. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Id",
  327. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem Task\\Index",
  328. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\4162F30D-5B2A-4A6C-8437-716EB3FBAE8B\\Triggers"
  329.  
  330.  
  331. * Deleted Registry Keys:
  332. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job",
  333. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job.fp",
  334. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job",
  335. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem Task.job.fp"
  336.  
  337.  
  338. * DNS Communications:
  339.  
  340. * Domains:
  341.  
  342. * Network Communication - ICMP:
  343.  
  344. * Network Communication - HTTP:
  345.  
  346. * Network Communication - SMTP:
  347.  
  348. * Network Communication - Hosts:
  349.  
  350. * Network Communication - IRC:
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