Analysis

  • max time kernel
    150s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    13-06-2024 22:24

General

  • Target

    a6de5722cb9978b0e73781c41301c19f_JaffaCakes118.exe

  • Size

    1002KB

  • MD5

    a6de5722cb9978b0e73781c41301c19f

  • SHA1

    f14b526e5cb5b5b551c234ea8a4e644c6d0f2a93

  • SHA256

    7df80cbc3b1a80c75e28295d06119ffef7c17cb39f73a8e31ae1e90fae54a6d1

  • SHA512

    8ad385c3a8973a2786a6e036dfb8a19084bc1ac3ccba213a68698e141fbc053b6f7f3d23c28a9c3edba4c25b5389e0a69cd192ff595d4c9c760e21afb92576cb

  • SSDEEP

    24576:rKlaBa1sMMZvIniOzOhtHezxIbtMFDl69:2fWL2ntzMdelI2FZ69

Malware Config

Signatures

  • MassLogger

    Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.

  • MassLogger Main payload 6 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Drops startup file 1 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 4 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • UPX packed file 5 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 35 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • NTFS ADS 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 18 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a6de5722cb9978b0e73781c41301c19f_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a6de5722cb9978b0e73781c41301c19f_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1580
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:2564
      • C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe
        "C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2580
        • C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe"
          4⤵
          • Checks computer location settings
          • Executes dropped EXE
          • Accesses Microsoft Outlook profiles
          • Suspicious behavior: AddClipboardFormatListener
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • outlook_office_path
          • outlook_win_path
          PID:2672
        • C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe
          "C:\Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe" 2 2672 259397198
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2412

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\appdata\sfhjhdkk.exe

    Filesize

    1002KB

    MD5

    a6de5722cb9978b0e73781c41301c19f

    SHA1

    f14b526e5cb5b5b551c234ea8a4e644c6d0f2a93

    SHA256

    7df80cbc3b1a80c75e28295d06119ffef7c17cb39f73a8e31ae1e90fae54a6d1

    SHA512

    8ad385c3a8973a2786a6e036dfb8a19084bc1ac3ccba213a68698e141fbc053b6f7f3d23c28a9c3edba4c25b5389e0a69cd192ff595d4c9c760e21afb92576cb

  • memory/1580-1-0x00000000002B0000-0x00000000002C0000-memory.dmp

    Filesize

    64KB

  • memory/1580-3-0x0000000000320000-0x0000000000321000-memory.dmp

    Filesize

    4KB

  • memory/1580-2-0x00000000002B0000-0x00000000002C0000-memory.dmp

    Filesize

    64KB

  • memory/1580-6-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/1580-0-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2412-50-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/2564-4-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2564-7-0x0000000000080000-0x0000000000081000-memory.dmp

    Filesize

    4KB

  • memory/2580-21-0x00000000003E0000-0x00000000003E1000-memory.dmp

    Filesize

    4KB

  • memory/2580-20-0x0000000000220000-0x0000000000221000-memory.dmp

    Filesize

    4KB

  • memory/2580-33-0x0000000000400000-0x0000000000501000-memory.dmp

    Filesize

    1.0MB

  • memory/2672-24-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2672-32-0x0000000001DD0000-0x0000000001E6A000-memory.dmp

    Filesize

    616KB

  • memory/2672-31-0x0000000001DD0000-0x0000000001E6A000-memory.dmp

    Filesize

    616KB

  • memory/2672-30-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2672-29-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2672-27-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2672-48-0x0000000004A50000-0x0000000004A94000-memory.dmp

    Filesize

    272KB

  • memory/2672-49-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2672-35-0x0000000000400000-0x0000000000541000-memory.dmp

    Filesize

    1.3MB

  • memory/2672-54-0x00000000060F0000-0x0000000006104000-memory.dmp

    Filesize

    80KB