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tpmvscmgr_bat_2019-08-12_20_30.txt

paladin316
Aug 12th, 2019
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  1.  
  2. * MalFamily: "Nanocore"
  3.  
  4. * MalScore: 10.0
  5.  
  6. * File Name: "tpmvscmgr.bat"
  7. * File Size: 1468932
  8. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  9. * SHA256: "7c12c01d914020bd61145af0192240c4213f8229b9d8d746c346fc8ed7a517c2"
  10. * MD5: "7bdb879d459bb7928460ea3d1857bbbf"
  11. * SHA1: "db42350d7cda58729de87f9839475b74389e7ccb"
  12. * SHA512: "8b5e180e67fe0c714f0f372912fbfdee1281dbe42785cd42b86e0c6bb05e52e6340dd52af34ba9f18a12d1fac9852b1d3d574f9dbb4b133b15e6c9061933cdb1"
  13. * CRC32: "6270C1C0"
  14. * SSDEEP: "24576:DAHnh+eWsN3skA4RV1Hom2KXMmHaP1HeUo3H50KSoFmyqmcm/aOpkU5:Oh+ZkldoPK8YaPpzoJ0K1FmThFwT"
  15.  
  16. * Process Execution:
  17. "tpmvscmgr.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\\tmp6B8C.tmp\"",
  26. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp7580.tmp\""
  27.  
  28.  
  29. * Signatures Detected:
  30.  
  31. "Description": "Attempts to connect to a dead IP:Port (1 unique times)",
  32. "Details":
  33.  
  34. "IP": "79.134.225.110:5654"
  35.  
  36.  
  37.  
  38.  
  39. "Description": "Creates RWX memory",
  40. "Details":
  41.  
  42.  
  43. "Description": "Possible date expiration check, exits too soon after checking local time",
  44. "Details":
  45.  
  46. "process": "schtasks.exe, PID 1060"
  47.  
  48.  
  49.  
  50.  
  51. "Description": "A process attempted to delay the analysis task.",
  52. "Details":
  53.  
  54. "Process": "RegAsm.exe tried to sleep 773 seconds, actually delayed analysis time by 0 seconds"
  55.  
  56.  
  57.  
  58.  
  59. "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
  60. "Details":
  61.  
  62. "ioc": "v2.0.50727"
  63.  
  64.  
  65. "ioc": "2.0.0.0"
  66.  
  67.  
  68.  
  69.  
  70. "Description": "Expresses interest in specific running processes",
  71. "Details":
  72.  
  73. "process": "RegAsm.exe"
  74.  
  75.  
  76.  
  77.  
  78. "Description": "Reads data out of its own binary image",
  79. "Details":
  80.  
  81. "self_read": "process: tpmvscmgr.bat, pid: 2800, offset: 0x00000000, length: 0x00166a04"
  82.  
  83.  
  84. "self_read": "process: RegAsm.exe, pid: 2080, offset: 0x00000000, length: 0x00001000"
  85.  
  86.  
  87. "self_read": "process: RegAsm.exe, pid: 2080, offset: 0x00000080, length: 0x00000200"
  88.  
  89.  
  90. "self_read": "process: RegAsm.exe, pid: 2080, offset: 0x00000178, length: 0x00000200"
  91.  
  92.  
  93. "self_read": "process: RegAsm.exe, pid: 2080, offset: 0x0000a720, length: 0x00000200"
  94.  
  95.  
  96. "self_read": "process: RegAsm.exe, pid: 2080, offset: 0x0000a73c, length: 0x00000200"
  97.  
  98.  
  99.  
  100.  
  101. "Description": "A process created a hidden window",
  102. "Details":
  103.  
  104. "Process": "RegAsm.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp6B8C.tmp\""
  105.  
  106.  
  107. "Process": "RegAsm.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem Task\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp7580.tmp\""
  108.  
  109.  
  110.  
  111.  
  112. "Description": "The binary likely contains encrypted or compressed data.",
  113. "Details":
  114.  
  115. "section": "name: .rsrc, entropy: 7.95, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x0009c400, virtual_size: 0x0009c258"
  116.  
  117.  
  118.  
  119.  
  120. "Description": "Executed a process and injected code into it, probably while unpacking",
  121. "Details":
  122.  
  123. "Injection": "tpmvscmgr.bat(2800) -> RegAsm.exe(2080)"
  124.  
  125.  
  126.  
  127.  
  128. "Description": "Attempts to remove evidence of file being downloaded from the Internet",
  129. "Details":
  130.  
  131. "file": "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier"
  132.  
  133.  
  134.  
  135.  
  136. "Description": "Attempts to execute a Living Off The Land Binary command for post exeploitation",
  137. "Details":
  138.  
  139. "MITRE T1078 - schtask": "(Tactic: Execution, Persistence, Privilege Escalation)"
  140.  
  141.  
  142.  
  143.  
  144. "Description": "Installs itself for autorun at Windows startup",
  145. "Details":
  146.  
  147. "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\csuxrljtye"
  148.  
  149.  
  150. "data": "C:\\Users\\Public\\csuxrljtye.vbs"
  151.  
  152.  
  153. "key": "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
  154.  
  155.  
  156. "data": "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe"
  157.  
  158.  
  159.  
  160.  
  161. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  162. "Details":
  163.  
  164.  
  165. "Description": "File has been identified by 21 Antiviruses on VirusTotal as malicious",
  166. "Details":
  167.  
  168. "Cybereason": "malicious.d7cda5"
  169.  
  170.  
  171. "F-Prot": "W32/AutoIt.IJ.gen!Eldorado"
  172.  
  173.  
  174. "Symantec": "ML.Attribute.HighConfidence"
  175.  
  176.  
  177. "APEX": "Malicious"
  178.  
  179.  
  180. "F-Secure": "Heuristic.HEUR/AGEN.1041823"
  181.  
  182.  
  183. "Invincea": "heuristic"
  184.  
  185.  
  186. "McAfee-GW-Edition": "BehavesLike.Win32.Downloader.tc"
  187.  
  188.  
  189. "Trapmine": "malicious.moderate.ml.score"
  190.  
  191.  
  192. "FireEye": "Generic.mg.7bdb879d459bb792"
  193.  
  194.  
  195. "Ikarus": "Trojan.Autoit"
  196.  
  197.  
  198. "Cyren": "W32/AutoIt.IJ.gen!Eldorado"
  199.  
  200.  
  201. "Avira": "HEUR/AGEN.1041823"
  202.  
  203.  
  204. "Antiy-AVL": "Trojan/Generic.ASVCS3S.1E5"
  205.  
  206.  
  207. "Microsoft": "Trojan:Win32/Wacatac.B!ml"
  208.  
  209.  
  210. "Endgame": "malicious (high confidence)"
  211.  
  212.  
  213. "Acronis": "suspicious"
  214.  
  215.  
  216. "ESET-NOD32": "a variant of Win32/Injector.Autoit.EFF"
  217.  
  218.  
  219. "MaxSecure": "Trojan.Malware.300983.susgen"
  220.  
  221.  
  222. "Panda": "Trj/Genetic.gen"
  223.  
  224.  
  225. "CrowdStrike": "win/malicious_confidence_100% (D)"
  226.  
  227.  
  228. "Qihoo-360": "HEUR/QVM10.1.2955.Malware.Gen"
  229.  
  230.  
  231.  
  232.  
  233. "Description": "Creates a slightly modified copy of itself",
  234. "Details":
  235.  
  236. "file": "C:\\Users\\user\\AppData\\Roaming\\WinSAT\\tpmvscmgr.bat"
  237.  
  238.  
  239. "percent_match": 100
  240.  
  241.  
  242.  
  243.  
  244. "Description": "Collects information to fingerprint the system",
  245. "Details":
  246.  
  247.  
  248. "Description": "Anomalous binary characteristics",
  249. "Details":
  250.  
  251. "anomaly": "Actual checksum does not match that reported in PE header"
  252.  
  253.  
  254.  
  255.  
  256.  
  257. * Started Service:
  258.  
  259. * Mutexes:
  260. "CicLoadWinStaWinSta0",
  261. "Local\\MSCTF.CtfMonitorInstMutexDefault1",
  262. "Global\\CLR_CASOFF_MUTEX",
  263. "Global\\8ffc834d-3ffb-4c79-b1e6-b8accad70950",
  264. "Global\\.net clr networking"
  265.  
  266.  
  267. * Modified Files:
  268. "C:\\Users\\user\\AppData\\Roaming\\WinSAT\\tpmvscmgr.bat",
  269. "C:\\Users\\Public\\csuxrljtye.vbs",
  270. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
  271. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  272. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6B8C.tmp",
  273. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\task.dat",
  274. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp7580.tmp",
  275. "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem"
  276.  
  277.  
  278. * Deleted Files:
  279. "C:\\Program Files (x86)\\DSL Subsystem\\dslss.exe",
  280. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\DSL Subsystem\\dslss.exe",
  281. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp6B8C.tmp",
  282. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp7580.tmp",
  283. "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier",
  284. "C:\\Windows\\Tasks\\DSL Subsystem.job"
  285.  
  286.  
  287. * Modified Registry Keys:
  288. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\csuxrljtye",
  289. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Wow6432Node\\Microsoft\\Windows\\CurrentVersion\\Run\\DSL Subsystem"
  290.  
  291.  
  292. * Deleted Registry Keys:
  293. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job",
  294. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job.fp"
  295.  
  296.  
  297. * DNS Communications:
  298.  
  299. "type": "A",
  300. "request": "smartcoonect.duckdns.org",
  301. "answers":
  302.  
  303. "data": "79.134.225.110",
  304. "type": "A"
  305.  
  306.  
  307.  
  308.  
  309.  
  310. * Domains:
  311.  
  312. "ip": "79.134.225.110",
  313. "domain": "smartcoonect.duckdns.org"
  314.  
  315.  
  316.  
  317. * Network Communication - ICMP:
  318.  
  319. * Network Communication - HTTP:
  320.  
  321. * Network Communication - SMTP:
  322.  
  323. * Network Communication - Hosts:
  324.  
  325. * Network Communication - IRC:
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