Analysis

  • max time kernel
    137s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03-05-2024 08:57

General

  • Target

    1023637b11883089bf662dc64c97e9a0_JaffaCakes118.exe

  • Size

    500KB

  • MD5

    1023637b11883089bf662dc64c97e9a0

  • SHA1

    310a91364f7f0e37b85db7d41b510cdf18ff1ad1

  • SHA256

    becfab7c46a3f51610d8ee07b6a39445a2bb23397284e1386f7c36e248ac028e

  • SHA512

    6bd6982b1a8c4f94566c72c73b93d028856f189cb3e0a9e293475b772859fecf114e08efc85cac48118354e54def9da0df784a8b40ca2316912cc50ab1e5cd3c

  • SSDEEP

    6144:yekcI4dnpjD9lTCJCEQ7JjPCMcTdz5CZj0zmo20eeCQ3+e6AuY+fnG9P94FKxuRR:yekKttqJb3muTCP/G/xuGIh5

Score
9/10

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 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
  • Drops desktop.ini file(s) 2 IoCs
  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies system certificate store 2 TTPs 5 IoCs
  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1023637b11883089bf662dc64c97e9a0_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\1023637b11883089bf662dc64c97e9a0_JaffaCakes118.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks computer location settings
    • Enumerates system info in registry
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:2692
    • C:\Users\Admin\AppData\Local\Temp\n6116\s6116.exe
      "C:\Users\Admin\AppData\Local\Temp\n6116\s6116.exe" ins.exe /e 12909195 /u c2b30e9f-da98-11e3-8a58-80c16e6f498c /h af133.api.socdn.com /t 53a1b5f8561ca35c228b4b09 /v "C:\Users\Admin\AppData\Local\Temp\1023637b11883089bf662dc64c97e9a0_JaffaCakes118.exe"
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • Modifies system certificate store
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2692 -s 4448
      2⤵
      • Program crash
      PID:1560
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2692 -ip 2692
    1⤵
      PID:1912

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n6116\s6116.exe

      Filesize

      286KB

      MD5

      3e3ab97a3be5f358ef2410034ca1d11e

      SHA1

      132b2d344871a59eea8cd45dcb289f880754de0a

      SHA256

      9343341db998236ead9f7bc0847747fb92cc90cc4709e7b6ff4c2ff6809dd1bb

      SHA512

      31cae25593341fe970dce4532449af639fb4b05a91591c1a22a8be52e2d9937439ef2a73e87cc49e636d24d3c5986a5d1954e9736046da4adbb7ac9857d9e48d

    • memory/964-11-0x00007FFD46E75000-0x00007FFD46E76000-memory.dmp

      Filesize

      4KB

    • memory/964-12-0x00007FFD46BC0000-0x00007FFD47561000-memory.dmp

      Filesize

      9.6MB

    • memory/964-28-0x000000001B1C0000-0x000000001B1CA000-memory.dmp

      Filesize

      40KB

    • memory/964-31-0x000000001BF10000-0x000000001C3DE000-memory.dmp

      Filesize

      4.8MB

    • memory/964-32-0x000000001C480000-0x000000001C51C000-memory.dmp

      Filesize

      624KB

    • memory/964-33-0x000000001B1D0000-0x000000001B1D8000-memory.dmp

      Filesize

      32KB

    • memory/964-34-0x00007FFD46BC0000-0x00007FFD47561000-memory.dmp

      Filesize

      9.6MB

    • memory/964-35-0x00007FFD46BC0000-0x00007FFD47561000-memory.dmp

      Filesize

      9.6MB

    • memory/964-36-0x00007FFD46BC0000-0x00007FFD47561000-memory.dmp

      Filesize

      9.6MB

    • memory/964-37-0x00007FFD46BC0000-0x00007FFD47561000-memory.dmp

      Filesize

      9.6MB

    • memory/964-38-0x000000001F8F0000-0x000000001F952000-memory.dmp

      Filesize

      392KB

    • memory/964-39-0x000000001D3E0000-0x000000001D51C000-memory.dmp

      Filesize

      1.2MB

    • memory/964-40-0x0000000020260000-0x000000002076E000-memory.dmp

      Filesize

      5.1MB

    • memory/964-41-0x00007FFD46BC0000-0x00007FFD47561000-memory.dmp

      Filesize

      9.6MB

    • memory/964-43-0x00007FFD46BC0000-0x00007FFD47561000-memory.dmp

      Filesize

      9.6MB