Analysis

  • max time kernel
    169s
  • max time network
    231s
  • platform
    windows7_x64
  • resource
    win7-20220718-en
  • resource tags

    arch:x64arch:x86image:win7-20220718-enlocale:en-usos:windows7-x64system
  • submitted
    31-07-2022 19:32

General

  • Target

    5eaf2714cc996f09d764d358bb6be88fe7eaf892d4cc04f85b3f022d0efb81e0.exe

  • Size

    1.3MB

  • MD5

    41f3dbdd92071247b28fdb7e43b34bef

  • SHA1

    1e1919d995f75098d0ee65b638e7bc90cca1039c

  • SHA256

    5eaf2714cc996f09d764d358bb6be88fe7eaf892d4cc04f85b3f022d0efb81e0

  • SHA512

    d550a440e361544a2cea4f2b8fa5ab930d5c95daa9005e817062dfb4c95dc4b0d4b57d71c1e46d564a3e5dbf0736b97fde751e0df4045e907c166ca912e7cbd9

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

109.20.230.130:1604

Mutex

DC_MUTEX-N4XL9B6

Attributes
  • gencode

    m8Aeownffhl6

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Signatures

  • Darkcomet

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

  • 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 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\5eaf2714cc996f09d764d358bb6be88fe7eaf892d4cc04f85b3f022d0efb81e0.exe
    "C:\Users\Admin\AppData\Local\Temp\5eaf2714cc996f09d764d358bb6be88fe7eaf892d4cc04f85b3f022d0efb81e0.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:1000
    • C:\Users\Admin\AppData\Local\Temp\5eaf2714cc996f09d764d358bb6be88fe7eaf892d4cc04f85b3f022d0efb81e0.exe
      "C:\Users\Admin\AppData\Local\Temp\5eaf2714cc996f09d764d358bb6be88fe7eaf892d4cc04f85b3f022d0efb81e0.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1128

Network

MITRE ATT&CK Matrix ATT&CK v6

Discovery

System Information Discovery

1
T1082

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1000-54-0x00000000762D1000-0x00000000762D3000-memory.dmp
    Filesize

    8KB

  • memory/1128-55-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-56-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-58-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-60-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-62-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-64-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-65-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-70-0x000000000048F888-mapping.dmp
  • memory/1128-71-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-69-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-67-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-73-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-74-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1128-75-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB