Analysis

  • max time kernel
    186s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    11/10/2022, 09:18

General

  • Target

    027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe

  • Size

    727KB

  • MD5

    58bd0cb3fb9afa61cdaa25bb0e8a6de0

  • SHA1

    c70b6052af8f72d1261315b11d79d1f5ed644e1f

  • SHA256

    027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

  • SHA512

    1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

  • SSDEEP

    12288:h9HFJ9rJxRX1uVVjoaWSoynxdO1FVBaOiRZTERfIhNkNCCLo9Ek5C/h75LF/Mw:bZ1xuVVjfFoynPaVBUR8f+kN10EB5VlV

Malware Config

Extracted

Family

darkcomet

Botnet

ÖÜÜÜÍíÉ ÌÏíÏÉ

C2

memateiraq.no-ip.biz:1604

Mutex

DC_MUTEX-HJG940C

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    7NAj1Mr7bd6y

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Signatures

  • Darkcomet

    DarkComet is a remote access trojan (RAT) developed by Jean-Pierre Lesueur.

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 27 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe
    "C:\Users\Admin\AppData\Local\Temp\027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1144
    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe
      "C:\Users\Admin\Documents\MSDCSC\msdcsc.exe"
      2⤵
      • Executes dropped EXE
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:920
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
          PID:584
    • C:\Windows\SysWOW64\DllHost.exe
      C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
      1⤵
      • Suspicious use of FindShellTrayWindow
      PID:1332

    Network

    MITRE ATT&CK Enterprise v6

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\480272_104225639757001_172457797_N.JPG

      Filesize

      46KB

      MD5

      779c37de7f335644e9644499fc0f7e7a

      SHA1

      c8864e1581b56ebd6f935d3acb009d7b92844412

      SHA256

      af029447b82e0ffa21c362ec5c8b1fa068cffd5b2db99f62dff5988133a0ce08

      SHA512

      c2313b1f8ef7ba04bc39093e634c2570bc674771c111fa0ae77af18d9c90fd72e56d2ab6ddde5ac2f83b29d88a1af62d84fbf91815c4b2e0454ce1663f6db76f

    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

      Filesize

      727KB

      MD5

      58bd0cb3fb9afa61cdaa25bb0e8a6de0

      SHA1

      c70b6052af8f72d1261315b11d79d1f5ed644e1f

      SHA256

      027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

      SHA512

      1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

    • C:\Users\Admin\Documents\MSDCSC\msdcsc.exe

      Filesize

      727KB

      MD5

      58bd0cb3fb9afa61cdaa25bb0e8a6de0

      SHA1

      c70b6052af8f72d1261315b11d79d1f5ed644e1f

      SHA256

      027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

      SHA512

      1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

    • \Users\Admin\Documents\MSDCSC\msdcsc.exe

      Filesize

      727KB

      MD5

      58bd0cb3fb9afa61cdaa25bb0e8a6de0

      SHA1

      c70b6052af8f72d1261315b11d79d1f5ed644e1f

      SHA256

      027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

      SHA512

      1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

    • \Users\Admin\Documents\MSDCSC\msdcsc.exe

      Filesize

      727KB

      MD5

      58bd0cb3fb9afa61cdaa25bb0e8a6de0

      SHA1

      c70b6052af8f72d1261315b11d79d1f5ed644e1f

      SHA256

      027eed8da627e8af40b14b85de849ca8cc7991767cfd8a98c4bc0ae8cc9b5194

      SHA512

      1949b34e1c6712dff92052964f7a990de17ba1e94bb67c5bc0268e9549d32b434a0b4080b4a4369434f6965c58b02cd68b8861ab889c390742f6218aed3314ee

    • memory/1144-54-0x00000000763F1000-0x00000000763F3000-memory.dmp

      Filesize

      8KB