Analysis

  • max time kernel
    150s
  • max time network
    154s
  • platform
    windows7_x64
  • resource
    win7v20201028
  • submitted
    28-02-2021 07:18

General

  • Target

    4565983c56ad07456e1fedc689887813df0f0fbff3bb716e687347d53526d88b.exe

  • Size

    658KB

  • MD5

    1a46d4fe75e27fd9f55e2e06bf9cdaac

  • SHA1

    0733d98ea3e242015ff93f21083367e93c2f486b

  • SHA256

    4565983c56ad07456e1fedc689887813df0f0fbff3bb716e687347d53526d88b

  • SHA512

    aefc1eee00eab34386cba39c567357626b0a69bfd5f81cce8fb77cd168b2176f06e45e8d342ff4145ed1055ede37d0547252365ffb1159a851ea7bf1fdf1e807

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

4.tcp.ngrok.io:11187

Mutex

DC_MUTEX-2ZHKKS1

Attributes
  • gencode

    0Jo5ooH7cVw6

  • 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
  • Suspicious use of AdjustPrivilegeToken 46 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4565983c56ad07456e1fedc689887813df0f0fbff3bb716e687347d53526d88b.exe
    "C:\Users\Admin\AppData\Local\Temp\4565983c56ad07456e1fedc689887813df0f0fbff3bb716e687347d53526d88b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1596
    • C:\Program Files (x86)\Internet Explorer\iexplore.exe
      "C:\Program Files (x86)\Internet Explorer\iexplore.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:1192

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1192-5-0x000000000048F888-mapping.dmp
  • memory/1192-4-0x0000000000400000-0x00000000004B2000-memory.dmp
    Filesize

    712KB

  • memory/1596-2-0x0000000075781000-0x0000000075783000-memory.dmp
    Filesize

    8KB

  • memory/1596-3-0x00000000001D0000-0x00000000001D1000-memory.dmp
    Filesize

    4KB