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UserAccountControlSettings_bat_2019-08-07_11_30.txt

paladin316
Aug 7th, 2019
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  1.  
  2. * MalFamily: "Nanocore"
  3.  
  4. * MalScore: 10.0
  5.  
  6. * File Name: "UserAccountControlSettings.bat"
  7. * File Size: 1241092
  8. * File Type: "PE32 executable (GUI) Intel 80386, for MS Windows"
  9. * SHA256: "8261c20a3912efab8a12e66e729fb9bd74cf483051da5f1ae61ac6543199ac3a"
  10. * MD5: "8900dcbfa038047422e6818fe0d2bdd0"
  11. * SHA1: "315617d2326582a676db5efd5b1318928fcc992c"
  12. * SHA512: "123da2cd22389dbd8bb7a7b1921b25bed5958db12f5160f834bae7b83407cff281933c3451675582bbb6437f86fc165f661415314b8d9754279bdf9ef5e82525"
  13. * CRC32: "CC688C1C"
  14. * SSDEEP: "24576:VAHnh+eWsN3skA4RV1Hom2KXMmHaBQaygWOD3x+MhJExFiO45:Eh+ZkldoPK8YaBQaygWO7x+cJ"
  15.  
  16. * Process Execution:
  17. "UserAccountControlSettings.bat",
  18. "RegAsm.exe",
  19. "schtasks.exe",
  20. "services.exe",
  21. "svchost.exe",
  22. "WMIADAP.exe",
  23. "svchost.exe",
  24. "WmiPrvSE.exe",
  25. "svchost.exe",
  26. "svchost.exe"
  27.  
  28.  
  29. * Executed Commands:
  30. "\"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp7E0B.tmp\"",
  31. "\\\\?\\C:\\Windows\\system32\\wbem\\WMIADAP.EXE wmiadap.exe /F /T /R",
  32. "C:\\Windows\\system32\\wbem\\wmiprvse.exe -Embedding",
  33. "C:\\Windows\\system32\\svchost.exe -k netsvcs"
  34.  
  35.  
  36. * Signatures Detected:
  37.  
  38. "Description": "Attempts to connect to a dead IP:Port (1 unique times)",
  39. "Details":
  40.  
  41. "IP": "79.134.225.117:2114"
  42.  
  43.  
  44.  
  45.  
  46. "Description": "Creates RWX memory",
  47. "Details":
  48.  
  49.  
  50. "Description": "A process attempted to delay the analysis task.",
  51. "Details":
  52.  
  53. "Process": "RegAsm.exe tried to sleep 761 seconds, actually delayed analysis time by 0 seconds"
  54.  
  55.  
  56.  
  57.  
  58. "Description": "At least one IP Address, Domain, or File Name was found in a crypto call",
  59. "Details":
  60.  
  61. "ioc": "v2.0.50727"
  62.  
  63.  
  64.  
  65.  
  66. "Description": "Expresses interest in specific running processes",
  67. "Details":
  68.  
  69. "process": "SearchIndexer.exe"
  70.  
  71.  
  72. "process": "RegAsm.exe"
  73.  
  74.  
  75.  
  76.  
  77. "Description": "Reads data out of its own binary image",
  78. "Details":
  79.  
  80. "self_read": "process: UserAccountControlSettings.bat, pid: 2016, offset: 0x00000000, length: 0x0012f004"
  81.  
  82.  
  83. "self_read": "process: RegAsm.exe, pid: 876, offset: 0x00000000, length: 0x00001000"
  84.  
  85.  
  86. "self_read": "process: RegAsm.exe, pid: 876, offset: 0x00000080, length: 0x00000200"
  87.  
  88.  
  89. "self_read": "process: RegAsm.exe, pid: 876, offset: 0x00000178, length: 0x00000200"
  90.  
  91.  
  92. "self_read": "process: RegAsm.exe, pid: 876, offset: 0x0000a720, length: 0x00000200"
  93.  
  94.  
  95. "self_read": "process: RegAsm.exe, pid: 876, offset: 0x0000a73c, length: 0x00000200"
  96.  
  97.  
  98.  
  99.  
  100. "Description": "A process created a hidden window",
  101. "Details":
  102.  
  103. "Process": "RegAsm.exe -> \"schtasks.exe\" /create /f /tn \"DSL Subsystem\" /xml \"C:\\Users\\user\\AppData\\Local\\Temp\\tmp7E0B.tmp\""
  104.  
  105.  
  106. "Process": "svchost.exe -> \\\\?\\C:\\Windows\\system32\\wbem\\WMIADAP.EXE"
  107.  
  108.  
  109.  
  110.  
  111. "Description": "The binary likely contains encrypted or compressed data.",
  112. "Details":
  113.  
  114. "section": "name: .rsrc, entropy: 7.91, characteristics: IMAGE_SCN_CNT_INITIALIZED_DATA|IMAGE_SCN_MEM_READ, raw_size: 0x00064a00, virtual_size: 0x000648f8"
  115.  
  116.  
  117.  
  118.  
  119. "Description": "Executed a process and injected code into it, probably while unpacking",
  120. "Details":
  121.  
  122. "Injection": "UserAccountControlSettings.bat(2016) -> RegAsm.exe(876)"
  123.  
  124.  
  125.  
  126.  
  127. "Description": "Attempts to remove evidence of file being downloaded from the Internet",
  128. "Details":
  129.  
  130. "file": "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier"
  131.  
  132.  
  133.  
  134.  
  135. "Description": "Attempts to repeatedly call a single API many times in order to delay analysis time",
  136. "Details":
  137.  
  138. "Spam": "services.exe (500) called API GetSystemTimeAsFileTime 1981045 times"
  139.  
  140.  
  141.  
  142.  
  143. "Description": "Attempts to execute a Living Off The Land Binary command for post exeploitation",
  144. "Details":
  145.  
  146. "MITRE T1078 - schtask": "(Tactic: Execution, Persistence, Privilege Escalation)"
  147.  
  148.  
  149.  
  150.  
  151. "Description": "Installs itself for autorun at Windows startup",
  152. "Details":
  153.  
  154. "key": "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\udNFHVsAmQ"
  155.  
  156.  
  157. "data": "C:\\Users\\Public\\udNFHVsAmQ.vbs"
  158.  
  159.  
  160.  
  161.  
  162. "Description": "Exhibits behavior characteristic of Nanocore RAT",
  163. "Details":
  164.  
  165.  
  166. "Description": "Creates a slightly modified copy of itself",
  167. "Details":
  168.  
  169. "file": "C:\\Users\\user\\AppData\\Roaming\\netbtugc\\UserAccountControlSettings.bat"
  170.  
  171.  
  172. "percent_match": 100
  173.  
  174.  
  175.  
  176.  
  177. "Description": "Collects information to fingerprint the system",
  178. "Details":
  179.  
  180.  
  181. "Description": "Anomalous binary characteristics",
  182. "Details":
  183.  
  184. "anomaly": "Actual checksum does not match that reported in PE header"
  185.  
  186.  
  187.  
  188.  
  189.  
  190. * Started Service:
  191. "Winmgmt"
  192.  
  193.  
  194. * Mutexes:
  195. "Global\\CLR_CASOFF_MUTEX",
  196. "Global\\1dfabe06-ff5a-438c-a5b6-f3af5c980db5",
  197. "Global\\.net clr networking",
  198. "Global\\ADAP_WMI_ENTRY",
  199. "Global\\RefreshRA_Mutex",
  200. "Global\\RefreshRA_Mutex_Lib",
  201. "Global\\RefreshRA_Mutex_Flag"
  202.  
  203.  
  204. * Modified Files:
  205. "C:\\Users\\user\\AppData\\Roaming\\netbtugc\\UserAccountControlSettings.bat",
  206. "C:\\Users\\Public\\udNFHVsAmQ.vbs",
  207. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\run.dat",
  208. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp7E0B.tmp",
  209. "C:\\Users\\user\\AppData\\Roaming\\C1515A12-1764-4632-ACE9-A9DFF9253200\\task.dat",
  210. "C:\\Windows\\sysnative\\Tasks\\DSL Subsystem",
  211. "\\Device\\LanmanDatagramReceiver",
  212. "C:\\Windows\\appcompat\\Programs\\RecentFileCache.bcf",
  213. "\\??\\PIPE\\samr",
  214. "C:\\Windows\\sysnative\\wbem\\repository\\WRITABLE.TST",
  215. "C:\\Windows\\sysnative\\wbem\\repository\\MAPPING1.MAP",
  216. "C:\\Windows\\sysnative\\wbem\\repository\\MAPPING2.MAP",
  217. "C:\\Windows\\sysnative\\wbem\\repository\\MAPPING3.MAP",
  218. "C:\\Windows\\sysnative\\wbem\\repository\\OBJECTS.DATA",
  219. "C:\\Windows\\sysnative\\wbem\\repository\\INDEX.BTR",
  220. "\\??\\WMIDataDevice",
  221. "\\??\\pipe\\PIPE_EVENTROOT\\CIMV2PROVIDERSUBSYSTEM",
  222. "\\??\\pipe\\PIPE_EVENTROOT\\CIMV2WMI SELF-INSTRUMENTATION EVENT PROVIDER"
  223.  
  224.  
  225. * Deleted Files:
  226. "C:\\Users\\user\\AppData\\Local\\Temp\\tmp7E0B.tmp",
  227. "C:\\Windows\\Microsoft.NET\\Framework\\v2.0.50727\\RegAsm.exe:Zone.Identifier",
  228. "C:\\Windows\\Tasks\\DSL Subsystem.job"
  229.  
  230.  
  231. * Modified Registry Keys:
  232. "HKEY_CURRENT_USER\\Software\\Microsoft\\Windows\\CurrentVersion\\Run\\udNFHVsAmQ",
  233. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\AFAF612D-660B-4F6E-8276-B884FB688F59\\Path",
  234. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\AFAF612D-660B-4F6E-8276-B884FB688F59\\Hash",
  235. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Id",
  236. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tree\\DSL Subsystem\\Index",
  237. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\TaskCache\\Tasks\\AFAF612D-660B-4F6E-8276-B884FB688F59\\Triggers",
  238. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\LastServiceStart",
  239. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\PreviousServiceShutdown",
  240. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\ProcessID",
  241. "HKEY_LOCAL_MACHINE\\Software\\Microsoft\\Wbem\\Transports\\Decoupled\\Server",
  242. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\Transports\\Decoupled\\Server\\CreationTime",
  243. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\Transports\\Decoupled\\Server\\MarshaledProxy",
  244. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\Transports\\Decoupled\\Server\\ProcessIdentifier",
  245. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\ConfigValueEssNeedsLoading",
  246. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\List of event-active namespaces",
  247. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\ThrottleDrege",
  248. "HKEY_LOCAL_MACHINE\\SYSTEM\\ControlSet001\\services\\Winmgmt\\Parameters\\ServiceDllUnloadOnStop",
  249. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\LastServiceStopMissed",
  250. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\ESS\\//./root/CIMV2\\SCM Event Provider"
  251.  
  252.  
  253. * Deleted Registry Keys:
  254. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job",
  255. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\Windows NT\\CurrentVersion\\Schedule\\CompatibilityAdapter\\Signatures\\DSL Subsystem.job.fp",
  256. "HKEY_LOCAL_MACHINE\\SOFTWARE\\Microsoft\\WBEM\\CIMOM\\LastServiceStart"
  257.  
  258.  
  259. * DNS Communications:
  260.  
  261. "type": "A",
  262. "request": "donald081.duckdns.org",
  263. "answers":
  264.  
  265. "data": "79.134.225.117",
  266. "type": "A"
  267.  
  268.  
  269.  
  270.  
  271.  
  272. * Domains:
  273.  
  274. "ip": "79.134.225.117",
  275. "domain": "donald081.duckdns.org"
  276.  
  277.  
  278.  
  279. * Network Communication - ICMP:
  280.  
  281. * Network Communication - HTTP:
  282.  
  283. * Network Communication - SMTP:
  284.  
  285. * Network Communication - Hosts:
  286.  
  287. * Network Communication - IRC:
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