Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13-07-2024 02:44

General

  • Target

    3fe173cfc004fef38d2fa2771d9d2bfd_JaffaCakes118.dll

  • Size

    348KB

  • MD5

    3fe173cfc004fef38d2fa2771d9d2bfd

  • SHA1

    984cde3a91a0a148ccd8163711952e8b94f2e90f

  • SHA256

    01f1dd519b7f9cd0c611ca2e3005be336051df914c218c240869f4640d73286c

  • SHA512

    62f20f55e56f4166bd6138cbc352f4b164fbc538fb437d1907f9690607e1223ea090dfa6a74b7e28f60677b12ec399cc8a036a682b7ef1d68e3d11f628bc2cfe

  • SSDEEP

    6144:NM1webhOIm2aZ/pB3fUQWTAHsf3v1D22slKrc215dixOyK2wmz5O/W1Vh:um2CbWTkK3hXYKrB5kK2wmzs/W1Vh

Score
8/10

Malware Config

Signatures

  • Server Software Component: Terminal Services DLL 1 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 9 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fe173cfc004fef38d2fa2771d9d2bfd_JaffaCakes118.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4628
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\3fe173cfc004fef38d2fa2771d9d2bfd_JaffaCakes118.dll,#1
      2⤵
      • Server Software Component: Terminal Services DLL
      • Checks computer location settings
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2552
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del "C:\Windows\SysWOW64\rundll32.exe" > nul
        3⤵
          PID:1000
    • C:\Windows\SysWOW64\svchost.exe
      C:\Windows\SysWOW64\svchost.exe -k "ChineseMSInfo"
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:2820
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe c:\users\admin\appdata\local\temp\3fe173cfc004fef38d2fa2771d9d2bfd_jaffacakes118.dll, Launch
        2⤵
          PID:4128

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • memory/2552-0-0x0000000074F90000-0x000000007510D000-memory.dmp

        Filesize

        1.5MB

      • memory/4128-1-0x0000000074F90000-0x000000007510D000-memory.dmp

        Filesize

        1.5MB