Overview

overview

10

Static

static

3

8ab8bf8a5c...18.exe

windows7-x64

10

8ab8bf8a5c...18.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/06/2024, 14:21

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General

  • Target
    8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
  • Size 8.2MB
  • Sample240601-rn2ecsfc27
  • SHA256 68f90121aaa88d93dfd4cb25fb182d0445bbd9a5a8563b4fe14b3eb341188df6
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
adwarepersistencestealerupx

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 2 IoCs
    persistence
  • Drops file in Drivers directory 2 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
    persistence
  • ACProtect 1.3x - 1.4x DLL software 3 IoCs

    Detects file using ACProtect software.

  • Loads dropped DLL 1 IoCs
  • UPX packed file 3 IoCs

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

    upx
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 64 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

    stealeradware
  • Modifies WinLogon 2 TTPs 1 IoCs
    persistence
  • Drops file in System32 directory 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Drivers directory
    • Sets service image path in registry
    • Loads dropped DLL
    • Adds Run key to start application
    • Enumerates connected drives
    • Modifies WinLogon
    • Drops file in System32 directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1848
    • C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2052
      • C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
        C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
        3⤵
        • Enumerates connected drives
        PID:2484
    • C:\Windows\SysWOW64\reg.exe
      reg delete "HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer\Browser Helper Objects" /f
      2⤵
      • Installs/modifies Browser Helper Object
      PID:2532
    • C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
      C:\Users\Admin\AppData\Local\Temp\8ab8bf8a5cf4147b3fab5b214db8454e_JaffaCakes118.exe
      2⤵
      • Enumerates connected drives
      PID:2240
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --field-trial-handle=4176,i,5711962389779687290,1245653010537220991,262144 --variations-seed-version --mojo-platform-channel-handle=4084 /prefetch:8
    1⤵
      PID:3396

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          cftmon.exe
          • Path C:\Users\Admin\AppData\Local\cftmon.exe
          • Size 8.2MB
          • SHA256 720d1f93063fc3f17530f3957c1b111d3341e9e2a3c9003a59c6a067ec98bca5
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          ftpdll.dll
          • Path C:\Windows\SysWOW64\ftpdll.dll
          • Size 5KB
          • SHA256 eddf092d901afe128322910c3ff41a3f242d33d6b4cdf91ece327076b324ccbb
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          memory/1848-0-0x0000000000400000-0x0000000000423000-memory.dmp
          Download

          memory/1848-19-0x0000000010000000-0x000000001010B000-memory.dmp
          Download

          memory/1848-20-0x0000000010000000-0x000000001010B000-memory.dmp
          Download

          memory/1848-21-0x0000000000400000-0x0000000000423000-memory.dmp
          Download

          memory/2052-1-0x0000000000400000-0x0000000000423000-memory.dmp
          Download

          memory/2052-23-0x0000000000400000-0x0000000000423000-memory.dmp
          Download

          memory/2240-24-0x0000000000400000-0x0000000000423000-memory.dmp
          Download

          memory/2484-25-0x0000000000400000-0x0000000000423000-memory.dmp
          Download