Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    20-04-2024 19:14

General

  • Target

    aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe

  • Size

    1.1MB

  • MD5

    49fc97af2d9c6cae7e412ae548e7edd8

  • SHA1

    f6c969bcab3ae6ab2116708ab002828e7482c5f7

  • SHA256

    aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1

  • SHA512

    a7f151c9adae93329d14ccff453b13de250f5978cc28e8a1f78ad74469a0d12951c837604d11f24ff9268d1548fc63ae3e69b6eadf2ac9870ad6bad0ea2ee49a

  • SSDEEP

    24576:RBkVdlYACfZQ+aS2HnJV54K0q6tHXsk+vZmE:/svCfj/wV5GtHBcx

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

5.tcp.eu.ngrok.io:13559

Mutex

DC_MUTEX-RYGWV09

Attributes
  • gencode

    iM649R849fl9

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 23 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe
    "C:\Users\Admin\AppData\Local\Temp\aefcc4fbfe2edc7cc7992085ee0ef500cd6def9b66e5f668d4dfc03ae06f49c1.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe
      "C:\Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2584
  • C:\Windows\SysWOW64\DllHost.exe
    C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
    1⤵
    • Suspicious use of FindShellTrayWindow
    PID:2208

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\RarSFX0\Screenshot_5.png

    Filesize

    250KB

    MD5

    a905f9c62a5ea77a587f268e2cfdd776

    SHA1

    c1d4f8126182882e472486d1d1dbe93762bb0897

    SHA256

    6e9b20dee99fa75cfffd0ebae9a888adf611eca15dc8fe160e0ea0f8a2fc520e

    SHA512

    272592e34b9f6c7163717dc0520577ced3abfcf3b6d0ed54e84821d364a9119f413ee24c079eae991db1fddf4e168be78fceb22bfad2c89d3a1de654dcbeb66f

  • \Users\Admin\AppData\Local\Temp\RarSFX0\егорыч.exe

    Filesize

    658KB

    MD5

    c4f0b78a6fae84edab5e00f55a5e74e9

    SHA1

    0b9608a0db03faa4b219c0ccb3f89c094d5a736d

    SHA256

    b2401024feb120662c7b58d8fab4e5879cfa11f3c2ca55528a101ab1a52afcf8

    SHA512

    7bce618f0fd6b03f1b1072f5171ba1fd94d7b373836a5c7faa8eb6b0ba735c91a7c209c59d3e581a01a245bda1645575f3a19e9c7fe0491602a807138084b2c2

  • memory/2208-5-0x0000000000140000-0x0000000000142000-memory.dmp

    Filesize

    8KB

  • memory/2208-6-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2208-27-0x0000000000350000-0x0000000000351000-memory.dmp

    Filesize

    4KB

  • memory/2584-29-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-31-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-26-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-23-0x00000000004F0000-0x00000000004F1000-memory.dmp

    Filesize

    4KB

  • memory/2584-28-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-39-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-30-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-25-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-32-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-33-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-34-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-35-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-36-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2584-38-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/2944-4-0x0000000002230000-0x0000000002232000-memory.dmp

    Filesize

    8KB