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Resubmissions

05/02/2025, 07:32

250205-jc74rswpdw 10

05/02/2025, 07:10

250205-hzekasxlej 10

01/10/2022, 22:04

221001-1y9cdsafgm 10

Analysis

  • max time kernel
    151s
  • max time network
    156s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    01/10/2022, 22:04

General

  • Target

    e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe

  • Size

    686KB

  • MD5

    012a1196493ab7f81db07c2bee6a0302

  • SHA1

    4210c6b6036381428c5f74c6ef0eed02fb8926e2

  • SHA256

    e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

  • SHA512

    60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

  • SSDEEP

    12288:DsrDj72TynbM+b233JvdepuKGMXO/iXv89/w2t+09F/8bERxYp2cjR/gQQu4cbWh:DYh3b233dKHXcX/w2t+09F/8biDcdglx

Malware Config

Extracted

Family

darkcomet

Botnet

Opfer

C2

tima.myftp.biz:1001

Mutex

DCMIN_MUTEX-750S66E

Attributes
  • InstallPath

    Windows\taskhost.exe

  • gencode

    xmB35GD9pqNN

  • install

    true

  • offline_keylogger

    true

  • persistence

    false

  • reg_key

    NT Kernel & Systeam

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 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 48 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 30 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
    "C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1948
    • C:\Users\Admin\AppData\Local\Temp\e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56.exe
      2⤵
      • Modifies WinLogon for persistence
      • Loads dropped DLL
      • Adds Run key to start application
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2012
      • C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe
        "C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:268
        • C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          PID:1832

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

    Filesize

    686KB

    MD5

    012a1196493ab7f81db07c2bee6a0302

    SHA1

    4210c6b6036381428c5f74c6ef0eed02fb8926e2

    SHA256

    e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

    SHA512

    60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

  • C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

    Filesize

    686KB

    MD5

    012a1196493ab7f81db07c2bee6a0302

    SHA1

    4210c6b6036381428c5f74c6ef0eed02fb8926e2

    SHA256

    e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

    SHA512

    60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

  • C:\Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

    Filesize

    686KB

    MD5

    012a1196493ab7f81db07c2bee6a0302

    SHA1

    4210c6b6036381428c5f74c6ef0eed02fb8926e2

    SHA256

    e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

    SHA512

    60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

  • \Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

    Filesize

    686KB

    MD5

    012a1196493ab7f81db07c2bee6a0302

    SHA1

    4210c6b6036381428c5f74c6ef0eed02fb8926e2

    SHA256

    e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

    SHA512

    60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

  • \Users\Admin\AppData\Local\Temp\Windows\taskhost.exe

    Filesize

    686KB

    MD5

    012a1196493ab7f81db07c2bee6a0302

    SHA1

    4210c6b6036381428c5f74c6ef0eed02fb8926e2

    SHA256

    e968e7193747c1e610542f38a4db66864e8d0e10f6ba2c7b32a971958aef6c56

    SHA512

    60a4b7358df12e759b46632eb20f2c7c2874b8f62cab5b2ff7ea2656ec98257b3165404041c59d57ab4db3ebaef52bc9d01a022594bba8be0d13c67d57a0c3c9

  • memory/268-121-0x0000000073C80000-0x000000007422B000-memory.dmp

    Filesize

    5.7MB

  • memory/1832-122-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1832-120-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1832-123-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/1948-55-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

  • memory/1948-54-0x0000000076031000-0x0000000076033000-memory.dmp

    Filesize

    8KB

  • memory/1948-84-0x0000000074360000-0x000000007490B000-memory.dmp

    Filesize

    5.7MB

  • memory/2012-81-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-83-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-78-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-88-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-75-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-72-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-69-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-65-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-62-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-59-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-57-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/2012-56-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB