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Analysis

  • max time kernel
    151s
  • max time network
    46s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-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
  • Loads dropped DLL 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 23 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe
    "C:\Users\Admin\AppData\Local\Temp\ec725c007703366ee0fac113ebfd13cd8932ad0e1fe077b973f582b61ddda8b0.exe"
    1⤵
    • Loads dropped DLL
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1932
    • 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:1020

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

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

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

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

    Filesize

    1.1MB

    MD5

    34aa912defa18c2c129f1e09d75c1d7e

    SHA1

    9c3046324657505a30ecd9b1fdb46c05bde7d470

    SHA256

    6df94b7fa33f1b87142adc39b3db0613fc520d9e7a5fd6a5301dd7f51f8d0386

    SHA512

    d1ea9368f5d7166180612fd763c87afb647d088498887961f5e7fb0a10f4a808bd5928e8a3666d70ff794093c51ecca8816f75dd47652fd4eb23dce7f9aa1f98

  • memory/1020-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-84-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-61-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-63-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-67-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-68-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-70-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-58-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-81-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-77-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1020-80-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1932-55-0x0000000074340000-0x00000000748EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1932-56-0x0000000000AB6000-0x0000000000AC7000-memory.dmp

    Filesize

    68KB

  • memory/1932-82-0x0000000074340000-0x00000000748EB000-memory.dmp

    Filesize

    5.7MB

  • memory/1932-83-0x0000000000AB6000-0x0000000000AC7000-memory.dmp

    Filesize

    68KB

  • memory/1932-54-0x0000000075981000-0x0000000075983000-memory.dmp

    Filesize

    8KB