Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/01/2024, 03:20

General

  • Target

    695b5698fecb86d51951ece5fe401935.exe

  • Size

    768KB

  • MD5

    695b5698fecb86d51951ece5fe401935

  • SHA1

    e552edc1eceed54f17713ccf542b75fa4ff3ba2a

  • SHA256

    29b9f898ac904dd12463af53e039cbc3de2ec0ef961bf8c840f2b0ecc16a2b49

  • SHA512

    32a254c03f0c3a5b281a6ab9b672a7288b7c0750d8efb817ccf91194a53ce4a491fd77414e1bfb1f1f0f031e7162e000f70ca64444d151fd2c57f828ca3af047

  • SSDEEP

    12288:LLHSAfiO9wMq//jFrfg3gGUrE3cYtGlq1RlNvKeB5uDaxo3N9JcLnI/cp:fLwMqXjPesYtsq1zna/+a4

Malware Config

Extracted

Family

darkcomet

Botnet

Profile

C2

decoderxtreme.no-ip.biz:1604

Mutex

DC_MUTEX-83RWAGL

Attributes
  • gencode

    atsLcH3dSuYm

  • install

    false

  • offline_keylogger

    true

  • password

    123456

  • persistence

    false

Signatures

  • Darkcomet

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

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\695b5698fecb86d51951ece5fe401935.exe
    "C:\Users\Admin\AppData\Local\Temp\695b5698fecb86d51951ece5fe401935.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4836
    • C:\Users\Admin\AppData\Local\Temp\file1.exe
      "C:\Users\Admin\AppData\Local\Temp\file1.exe"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:5068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\file1.exe

          Filesize

          623KB

          MD5

          52da4aba83603d9cadf6e014755cabdf

          SHA1

          3d185b8b1808093dd20079e14c1e7d69375e647b

          SHA256

          f87e3fa6a7724cc5c74f1eaafae9c7f15cf21676c3636cd3cd94cbd048c5e086

          SHA512

          0463597e8bc7e6f29fa458e54d9d8f3ec14b5bf88d5dce15935dde657f733ba9f4297a885df268156b732218734b5dc63ae22bb123ed246e56e523448e4e704f

        • C:\Users\Admin\AppData\Local\Temp\file1.exe

          Filesize

          649KB

          MD5

          f644bdc34f6bffe661dc3d2f505fead4

          SHA1

          5f11c282608d364a47fb86b99861a828415fa82c

          SHA256

          035639363398d2766097261ea32773d3e555b67c4a48c0f58f001b4cc34726a4

          SHA512

          e78458c30c6260ad504813ff54aa951289f82ee3a7b7f2d035d732b913ebb73bf052b5927b5a5b0ea108a95cb60004f4a4f2671477e8b938f80ff696bc4773fe

        • memory/4836-16-0x0000000074620000-0x0000000074BD1000-memory.dmp

          Filesize

          5.7MB

        • memory/4836-1-0x0000000074620000-0x0000000074BD1000-memory.dmp

          Filesize

          5.7MB

        • memory/4836-2-0x0000000000F60000-0x0000000000F70000-memory.dmp

          Filesize

          64KB

        • memory/4836-0-0x0000000074620000-0x0000000074BD1000-memory.dmp

          Filesize

          5.7MB

        • memory/5068-20-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-23-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-18-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-19-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-15-0x00000000006D0000-0x00000000006D1000-memory.dmp

          Filesize

          4KB

        • memory/5068-21-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-22-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-17-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-24-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-25-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-26-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-27-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-28-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-29-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB

        • memory/5068-30-0x0000000000400000-0x00000000004B0000-memory.dmp

          Filesize

          704KB