Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    30-08-2024 18:34

General

  • Target

    cb6bde01b9bd96be9e7a3b39601d696d_JaffaCakes118.exe

  • Size

    1.1MB

  • MD5

    cb6bde01b9bd96be9e7a3b39601d696d

  • SHA1

    e873f810351e9fa2e27e89191f1aba02eb14d5de

  • SHA256

    dfd0da819764547d4ec0c70f17b0461416bed3db0be3df399588635db2bf4da0

  • SHA512

    6990b21a3bf984b1e78e1a50ba166d0443cf434364afba981c1783c39ee4560a676433da276bf035ed6d677c93dafb041eada90e9cc518bfe3b36d04ec446ba1

  • SSDEEP

    24576:uKiQgRxWQvVW2f09pNXZGtCjaWN9x7qUlAVbx:uKdgjWQvcTX0tCWWNr7qUlAd

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

runescapeddos.zapto.org:1604

Mutex

DC_MUTEX-FLVLT7H

Attributes
  • gencode

    WesYzs0NizmP

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Extracted

Family

latentbot

C2

runescapeddos.zapto.org

Signatures

  • Darkcomet

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

  • LatentBot

    Modular trojan written in Delphi which has been in-the-wild since 2013.

  • Modifies firewall policy service 3 TTPs 3 IoCs
  • Modifies security service 2 TTPs 1 IoCs
  • Windows security bypass 2 TTPs 2 IoCs
  • Disables RegEdit via registry modification 1 IoCs
  • Disables Task Manager via registry modification
  • Sets file to hidden 1 TTPs 2 IoCs

    Modifies file attributes to stop it showing in Explorer etc.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Uses the VBS compiler for execution 1 TTPs
  • Windows security modification 2 TTPs 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 24 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 50 IoCs
  • System policy modification 1 TTPs 3 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\cb6bde01b9bd96be9e7a3b39601d696d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\cb6bde01b9bd96be9e7a3b39601d696d_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4080
    • C:\Users\Admin\AppData\Local\Temp\vbc.exe
      C:\Users\Admin\AppData\Local\Temp\vbc.exe
      2⤵
      • Modifies firewall policy service
      • Modifies security service
      • Windows security bypass
      • Disables RegEdit via registry modification
      • Checks computer location settings
      • Executes dropped EXE
      • Windows security modification
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      • System policy modification
      PID:4124
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\cb6bde01b9bd96be9e7a3b39601d696d_JaffaCakes118.exe" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3360
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\cb6bde01b9bd96be9e7a3b39601d696d_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:840
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4828
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • System Location Discovery: System Language Discovery
          • Views/modifies file attributes
          PID:3932
      • C:\Windows\SysWOW64\notepad.exe
        notepad
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2256

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

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

    Filesize

    1.1MB

    MD5

    d881de17aa8f2e2c08cbb7b265f928f9

    SHA1

    08936aebc87decf0af6e8eada191062b5e65ac2a

    SHA256

    b3a37093609f9a20ad60b85a9fa9de2ba674cba9b5bd687729440c70ba619ca0

    SHA512

    5f23bfb1b8740247b36ed0ab741738c7d4c949736129e767213e321607d1ccd3e3a8428e4ba44bd28a275b5e3f6206285b1a522514b7ef7ea5e698d90a713d34

  • memory/2256-15-0x00000000012B0000-0x00000000012B1000-memory.dmp

    Filesize

    4KB

  • memory/4080-12-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4080-1-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4080-2-0x0000000074760000-0x0000000074D11000-memory.dmp

    Filesize

    5.7MB

  • memory/4080-0-0x0000000074762000-0x0000000074763000-memory.dmp

    Filesize

    4KB

  • memory/4124-18-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-21-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-9-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-13-0x00000000022D0000-0x00000000022D1000-memory.dmp

    Filesize

    4KB

  • memory/4124-14-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-7-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-17-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-16-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-5-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-19-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-20-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-11-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-22-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-23-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-24-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-25-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-26-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-27-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-28-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-29-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-30-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB

  • memory/4124-31-0x0000000000400000-0x00000000004B5000-memory.dmp

    Filesize

    724KB