Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2022 02:13

General

  • Target

    82977a68f5f193053276d640366c4547163ab80699c01002232c619b137c8669.exe

  • Size

    1.0MB

  • MD5

    62b4603ccd5b435533f2cbba560d0a14

  • SHA1

    4b5a10c738ad310547ebe935c88d5b8575978fa4

  • SHA256

    82977a68f5f193053276d640366c4547163ab80699c01002232c619b137c8669

  • SHA512

    23a76ede3f0bf9bb08dd8b8573ebf31a5e38e408a8a1c8ae533f5d406970006109fcdc26bbdf36db334049c2e1c72b8f997fa09ccc0af5300a824a749bec0c9b

  • SSDEEP

    24576:TvOTggIRfmQX3zRYC6FVZPv+FWe4Ys/E:DjYlDZ3+UT/E

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16_min

C2

127.0.0.1:200

Mutex

DCMIN_MUTEX-QFL0QAA

Attributes
  • gencode

    GRhjc3o82zNr

  • 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
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\82977a68f5f193053276d640366c4547163ab80699c01002232c619b137c8669.exe
    "C:\Users\Admin\AppData\Local\Temp\82977a68f5f193053276d640366c4547163ab80699c01002232c619b137c8669.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1028
    • C:\Users\Admin\AppData\Local\Temp\svchost.exe
      C:\Users\Admin\AppData\Local\Temp\svchost.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1648

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • C:\Users\Admin\AppData\Local\Temp\svchost.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • memory/1028-132-0x0000000075170000-0x0000000075721000-memory.dmp

    Filesize

    5.7MB

  • memory/1028-139-0x0000000075170000-0x0000000075721000-memory.dmp

    Filesize

    5.7MB

  • memory/1648-133-0x0000000000000000-mapping.dmp

  • memory/1648-134-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1648-137-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1648-138-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1648-141-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1648-142-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB

  • memory/1648-143-0x0000000000400000-0x00000000004B2000-memory.dmp

    Filesize

    712KB