Analysis

  • max time kernel
    140s
  • max time network
    17s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    10-08-2024 23:08

General

  • Target

    880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe

  • Size

    2.5MB

  • MD5

    880b03ac5957cdf909b50a6516ff015b

  • SHA1

    58082d7d1601fd728c800c7ad075f27b71e1ec23

  • SHA256

    b535694854b8d5b129a358ea8a088c46c32b4922db7d4f1e7cb4af3d4259181c

  • SHA512

    604e2038c57eb3e3a172779b2d6dfc2114b038c4997938804dc8960c219e8171750b9e914625b075ab580bba9571179a3f4128b25772bc2f4e3c1f718f26d6fd

  • SSDEEP

    49152:4cPGd/uIKufYJr+VoLpmSJy0rTm9BPW+YTOdue1Wdv+r8YQ41X:4aGw+VoLpmSk0rslWhb46gQ+X

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

agmal.no-ip.org:1604

Mutex

DC_MUTEX-UZET8XQ

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    QgvjjfxfTCCb

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    crss

Signatures

  • Darkcomet

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

  • Checks BIOS information in registry 2 TTPs 1 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Themida packer 2 IoCs

    Detects Themida, an advanced Windows software protection system.

  • Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\880b03ac5957cdf909b50a6516ff015b_JaffaCakes118.exe"
    1⤵
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • Suspicious use of NtSetInformationThreadHideFromDebugger
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2268
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2268 -s 384
      2⤵
      • Program crash
      PID:2876

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2268-0-0x0000000000400000-0x0000000000689000-memory.dmp

    Filesize

    2.5MB

  • memory/2268-2-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB

  • memory/2268-1-0x0000000001EF0000-0x000000000204A000-memory.dmp

    Filesize

    1.4MB

  • memory/2268-3-0x0000000000400000-0x0000000000689000-memory.dmp

    Filesize

    2.5MB

  • memory/2268-5-0x0000000000260000-0x0000000000261000-memory.dmp

    Filesize

    4KB