Analysis

  • max time kernel
    150s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14-07-2024 12:12

General

  • Target

    45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe

  • Size

    1.7MB

  • MD5

    45c31a6657d85a83a327a9b907843e67

  • SHA1

    db82cb13bbb044eac8cbe2c26e6652c51d84740d

  • SHA256

    547832a55c6686cae074d6cf038493da2930962fd2c1e4dd176fee4c6d60abbf

  • SHA512

    dccef6bde2f5eb79252a64832c72adfcfe728844e28caf3a7be07f1bc3421724ee33bd5bd993513d2fb728b0f0ca47f134738422af7afcd188bc885dd043ecb4

  • SSDEEP

    49152:/JZoQrbTFZY1iaBOkJmZeQvV/AvT6qzL9Uutxr7:/trbTA1SZeQYTFzL9UC7

Malware Config

Extracted

Family

darkcomet

Botnet

Guest16

C2

127.0.0.1:1608

Mutex

DC_MUTEX-DD5EEWG

Attributes
  • InstallPath

    MSDCSC\msdcsc.exe

  • gencode

    1fP8x3gpGubE

  • install

    true

  • offline_keylogger

    true

  • persistence

    true

  • reg_key

    MicroUpdate

Extracted

Family

darkcomet

Botnet

BOT

C2

kl0w.no-ip.org:1604

mozillaproxy.zapto.org:1604

Mutex

DC_MUTEX-A5603PV

Attributes
  • gencode

    8UDgycR8v6YU

  • install

    false

  • offline_keylogger

    true

  • persistence

    false

Extracted

Family

latentbot

C2

mozillaproxy.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 WinLogon for persistence 2 TTPs 1 IoCs
  • 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 4 IoCs
  • UPX packed file 19 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Adds Run key to start application 2 TTPs 4 IoCs
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 53 IoCs
  • Views/modifies file attributes 1 TTPs 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:4032
    • C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies registry class
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3560
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:2980
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp\45c31a6657d85a83a327a9b907843e67_JaffaCakes118.exe" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:4056
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\System32\cmd.exe" /k attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:1996
        • C:\Windows\SysWOW64\attrib.exe
          attrib "C:\Users\Admin\AppData\Local\Temp" +s +h
          4⤵
          • Sets file to hidden
          • Views/modifies file attributes
          PID:4584
      • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
        "C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe"
        3⤵
        • Executes dropped EXE
        • Adds Run key to start application
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:4840
        • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe
          4⤵
          • Executes dropped EXE
          • Adds Run key to start application
          • Suspicious behavior: GetForegroundWindowSpam
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:4560
          • C:\Windows\SysWOW64\notepad.exe
            notepad
            5⤵
              PID:2892
          • C:\Users\Admin\AppData\Local\Temp\file2.exe
            C:\Users\Admin\AppData\Local\Temp\file2.exe
            4⤵
            • Executes dropped EXE
            PID:2720
      • C:\Users\Admin\AppData\Local\Temp\file2.exe
        C:\Users\Admin\AppData\Local\Temp\file2.exe
        2⤵
        • Executes dropped EXE
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:3988

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\MSDCSC\msdcsc.exe

      Filesize

      1.7MB

      MD5

      45c31a6657d85a83a327a9b907843e67

      SHA1

      db82cb13bbb044eac8cbe2c26e6652c51d84740d

      SHA256

      547832a55c6686cae074d6cf038493da2930962fd2c1e4dd176fee4c6d60abbf

      SHA512

      dccef6bde2f5eb79252a64832c72adfcfe728844e28caf3a7be07f1bc3421724ee33bd5bd993513d2fb728b0f0ca47f134738422af7afcd188bc885dd043ecb4

    • C:\Users\Admin\AppData\Local\Temp\ampere2.dat

      Filesize

      658KB

      MD5

      25d38f718beec7710b42aa6f7c943cc7

      SHA1

      938b4b54c9382d0e32280dfa7af9a3913ae93208

      SHA256

      f2f6ffd11982ca134735ef6f4a217025182b1ccbed33ade7a772aea2254dbad1

      SHA512

      3e4e629fdd0b2552bbf3da3456d43019a9845ed7498aea75a425e29925a1d31f18198435423d3b6aded6e97cdad9d9680ee95496f1249a63b963d407337f2761

    • C:\Users\Admin\AppData\Local\Temp\file2.exe

      Filesize

      251KB

      MD5

      a5ad8b98c7926fb36260d646b2a4ac84

      SHA1

      bdf2b831b7410302a9862b062e5df5ee8d291bb5

      SHA256

      fff90629f05521a70169667523060bd93f022518054983c889705273e59a2641

      SHA512

      21fdf907a36d98617f55d81249812ffcd95777da336071926c6a6126eba15ef79a4e0771157d9ec2b78b68af596fcbc2325b76f13f3e69a4f7740aae59547376

    • memory/2720-105-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/2720-110-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/2892-106-0x0000000001400000-0x0000000001401000-memory.dmp

      Filesize

      4KB

    • memory/3560-8-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/3560-9-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/3560-10-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/3560-11-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/3560-22-0x0000000000AD0000-0x0000000000AD1000-memory.dmp

      Filesize

      4KB

    • memory/3560-95-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/3988-27-0x00000000022D0000-0x00000000022D1000-memory.dmp

      Filesize

      4KB

    • memory/3988-116-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-125-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-124-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-123-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-23-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-111-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-112-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-113-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-114-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-115-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-122-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-117-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-118-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-119-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-120-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/3988-121-0x0000000000400000-0x00000000004B7000-memory.dmp

      Filesize

      732KB

    • memory/4560-99-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/4560-100-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/4560-107-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB

    • memory/4560-108-0x00000000000D0000-0x0000000000182000-memory.dmp

      Filesize

      712KB