Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    27-05-2024 04:35

General

  • Target

    77eabe305a2c72f81baa439936fc2a2c_JaffaCakes118.exe

  • Size

    987KB

  • MD5

    77eabe305a2c72f81baa439936fc2a2c

  • SHA1

    38ae1b72357d8660a633d6c66efbb28bb57795ca

  • SHA256

    cfedb16bb7f771abbecc56b51883dbb212e87d811ecba361084ff95e0b208b88

  • SHA512

    7d1756a5d69a4d82c89e6ae7846e0ee0c966c3569244ba42a765c72c5cefb4bbaa3ba7e9b1ab890f14166b75d020ffd9f08ea1fb56672ee30e366efb575d8c09

  • SSDEEP

    24576:PrYUhzRsCg6Yn++QKS7x0MZm4NE03w/o6:D+Cg6KbbgLmgsw6

Malware Config

Signatures

  • MassLogger

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

  • MassLogger Main payload 8 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\77eabe305a2c72f81baa439936fc2a2c_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\77eabe305a2c72f81baa439936fc2a2c_JaffaCakes118.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1728
    • C:\Windows\SysWOW64\notepad.exe
      "C:\Windows\system32\notepad.exe"
      2⤵
      • Drops startup file
      • Loads dropped DLL
      • NTFS ADS
      • Suspicious use of WriteProcessMemory
      PID:1632
      • C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe
        "C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe"
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious behavior: MapViewOfSection
        • Suspicious use of WriteProcessMemory
        PID:2132
        • C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe
          "C:\Users\Admin\AppData\Roaming\appdata\fkshsks.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:2668
        • C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe
          "C:\Users\Admin\AppData\Roaming\appdata\fkshsks.exe" 2 2668 259395576
          4⤵
          • Executes dropped EXE
          • Suspicious behavior: EnumeratesProcesses
          PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • \Users\Admin\AppData\Roaming\appdata\fkshsks.exe
    Filesize

    987KB

    MD5

    77eabe305a2c72f81baa439936fc2a2c

    SHA1

    38ae1b72357d8660a633d6c66efbb28bb57795ca

    SHA256

    cfedb16bb7f771abbecc56b51883dbb212e87d811ecba361084ff95e0b208b88

    SHA512

    7d1756a5d69a4d82c89e6ae7846e0ee0c966c3569244ba42a765c72c5cefb4bbaa3ba7e9b1ab890f14166b75d020ffd9f08ea1fb56672ee30e366efb575d8c09

  • memory/1632-4-0x0000000000080000-0x0000000000081000-memory.dmp
    Filesize

    4KB

  • memory/1632-7-0x0000000000080000-0x0000000000081000-memory.dmp
    Filesize

    4KB

  • memory/1728-0-0x00000000001B0000-0x00000000001B1000-memory.dmp
    Filesize

    4KB

  • memory/1728-1-0x00000000003D0000-0x00000000003E1000-memory.dmp
    Filesize

    68KB

  • memory/1728-3-0x00000000003F0000-0x00000000003F1000-memory.dmp
    Filesize

    4KB

  • memory/1728-6-0x0000000000400000-0x00000000004FD000-memory.dmp
    Filesize

    1012KB

  • memory/2132-33-0x0000000000400000-0x00000000004FD000-memory.dmp
    Filesize

    1012KB

  • memory/2132-18-0x0000000000220000-0x0000000000221000-memory.dmp
    Filesize

    4KB

  • memory/2132-21-0x00000000003F0000-0x00000000003F1000-memory.dmp
    Filesize

    4KB

  • memory/2552-61-0x0000000000400000-0x00000000004FD000-memory.dmp
    Filesize

    1012KB

  • memory/2552-48-0x00000000003D0000-0x00000000003E1000-memory.dmp
    Filesize

    68KB

  • memory/2668-24-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/2668-34-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/2668-32-0x0000000001EB0000-0x0000000001F4A000-memory.dmp
    Filesize

    616KB

  • memory/2668-31-0x0000000001EB0000-0x0000000001F4A000-memory.dmp
    Filesize

    616KB

  • memory/2668-30-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/2668-47-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/2668-46-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/2668-27-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/2668-50-0x0000000002560000-0x00000000025A4000-memory.dmp
    Filesize

    272KB

  • memory/2668-52-0x00000000062C0000-0x00000000062D4000-memory.dmp
    Filesize

    80KB

  • memory/2668-60-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB

  • memory/2668-29-0x0000000000400000-0x0000000000541000-memory.dmp
    Filesize

    1.3MB