Analysis

  • max time kernel
    134s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/06/2024, 09:33

General

  • Target
    1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
  • Size 1.1MB
  • Sample240627-ljpbcavalc
  • SHA256 c99c7b318d67b4a6f3f14e19c421de01d9b05dc85fe5a04bef88511d192ca18c
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Ardamax

    A keylogger first seen in 2013.

  • Ardamax main executable 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 6 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1580f4828f451cf748f8b7aa0963318e_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Drops file in System32 directory
    • Suspicious use of WriteProcessMemory
    PID:5092
    • C:\Windows\SysWOW64\YCDGPD\UPD.exe
      "C:\Windows\system32\YCDGPD\UPD.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Adds Run key to start application
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:4836

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        AKV.exe

        • Path C:\Windows\SysWOW64\YCDGPD\AKV.exe
        • Size 466KB
        • SHA256 661eee852ace18c0fe63548e3ca276866b40dd0dce722f67976b8c4bfdb92195
        • MD5 SHA1 SHA512 SSDEEP

        UPD.001

        • Path C:\Windows\SysWOW64\YCDGPD\UPD.001
        • Size 61KB
        • SHA256 643419bc7e3a46ecdd7196858b3489c806c5edc486b513ce58519a109544c9d1
        • MD5 SHA1 SHA512 SSDEEP

        UPD.002

        • Path C:\Windows\SysWOW64\YCDGPD\UPD.002
        • Size 43KB
        • SHA256 563f5e99f0beb961ecf6a8284bf41fee3e85d6f63cdff1669438f5a2168bfd99
        • MD5 SHA1 SHA512 SSDEEP

        UPD.004

        • Path C:\Windows\SysWOW64\YCDGPD\UPD.004
        • Size 1KB
        • SHA256 debbfe6d72f10395e3f1b5850de6febb3489a3adff34dfdb867b0b684bfe350d
        • MD5 SHA1 SHA512

        UPD.exe

        • Path C:\Windows\SysWOW64\YCDGPD\UPD.exe
        • Size 1.5MB
        • SHA256 accbdc6de9b6b671e6dc5bda9f1f983fbfcaa07467fbf6eabd25b9d5314d82ec
        • MD5 SHA1 SHA512 SSDEEP

        memory/4836-16-0x0000000000A80000-0x0000000000A81000-memory.dmp

        memory/4836-18-0x0000000000A80000-0x0000000000A81000-memory.dmp