Analysis

  • max time kernel
    175s
  • max time network
    175s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 11:53

General

  • Target

    ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe

  • Size

    782KB

  • MD5

    63eadfafe6bf9323ce4a47536ceeb040

  • SHA1

    b7e7c9bd6ddcd51d9d486d8fa5c71a23d0abb7bc

  • SHA256

    ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0

  • SHA512

    9d4c3d422d43859ae4766f8e8d15fd9bd2d4012422ff2760472b04a28bb918dd34a14cc7929dfcafe93df4d859dce211c059d40f348b893b59e05f0dae40abcc

  • SSDEEP

    12288:iMbL4uzi/ws7tIf3/b9IJVGuBIDX0tRodbxT9gr5vIBwvOjldFLU:bbc0i4ff3EGuBa9IIi2dLU

Malware Config

Extracted

Family

darkcomet

Botnet

.iLL

C2

savoritz.no-ip.biz:1604

Mutex

DC_MUTEX-8DY6RDR

Attributes
  • gencode

    dfjJdYiurW9f

  • 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
  • Adds Run key to start application 2 TTPs 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\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
    "C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1388
    • C:\Users\Admin\AppData\Local\Temp\plugtmp\rundll32.exe
      C:\Users\Admin\AppData\Local\Temp\\plugtmp\rundll32.exe
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4512

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\plugtmp\rundll32.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • C:\Users\Admin\AppData\Local\Temp\plugtmp\rundll32.exe

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • memory/1388-132-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/1388-142-0x0000000075100000-0x00000000756B1000-memory.dmp

    Filesize

    5.7MB

  • memory/4512-134-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4512-137-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4512-138-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4512-140-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4512-141-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4512-143-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB