Analysis

  • max time kernel
    149s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/05/2024, 14:45

General

  • Target

    5fa480b8fdbd3fbd1eab570986cb7b93_JaffaCakes118.exe

  • Size

    537KB

  • MD5

    5fa480b8fdbd3fbd1eab570986cb7b93

  • SHA1

    2e2e9f55e0156297b75d2d6f431d6665b4efb249

  • SHA256

    113e748e8463b4cc18e90fb125abfc005e7d65995d8968c1d7f2cab62edceac6

  • SHA512

    2184aa52b8b80b66c3ebc68c2d5bccb1c06599dbc89b10d5549baa6026fc22514f005170065551a3cf7391fd89af6bd472a6234bbaeae82be486dfbc4fbc13a0

  • SSDEEP

    12288:cyUQUx7nZxWHTsDCnwWzsD4b80uBdsUx7duMpMJzxOGK0+eAq/:cyc7CHTmCrzG44BaI7du/y0gq/

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 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 5 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\5fa480b8fdbd3fbd1eab570986cb7b93_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\5fa480b8fdbd3fbd1eab570986cb7b93_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:4988
    • C:\Users\Admin\AppData\Local\Temp\n1029\s1029.exe
      "C:\Users\Admin\AppData\Local\Temp\n1029\s1029.exe" ins.exe /h 8bd8fb.api.socdn.com /u 52fe2c91-49dc-40b7-b209-1f140a000013 /e 13338568 /v "C:\Users\Admin\AppData\Local\Temp\5fa480b8fdbd3fbd1eab570986cb7b93_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:1908
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 3852
      2⤵
      • Program crash
      PID:4628
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 444 -p 4988 -ip 4988
    1⤵
      PID:3592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\n1029\s1029.exe

      Filesize

      344KB

      MD5

      9a51134cceee9f790c08e8c3c853280e

      SHA1

      52431986a6dc96088a3de58582a5e94d25c1d717

      SHA256

      bf9759e491f918fdf317285dab7e49dc1bdda56422e7a107704751f49b779133

      SHA512

      61bcd6e67bce323bbd3d296370507ec9c1e2708386ce78b49049f852d6983faf8f66400eae7ea9cf4610b3d599375a96acb71f3172bcf9312c0ae7959cfd4237

    • memory/1908-14-0x00007FFB16285000-0x00007FFB16286000-memory.dmp

      Filesize

      4KB

    • memory/1908-15-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-22-0x000000001C310000-0x000000001C31E000-memory.dmp

      Filesize

      56KB

    • memory/1908-25-0x000000001CB20000-0x000000001CFEE000-memory.dmp

      Filesize

      4.8MB

    • memory/1908-26-0x000000001D090000-0x000000001D12C000-memory.dmp

      Filesize

      624KB

    • memory/1908-27-0x000000001D450000-0x000000001D4B2000-memory.dmp

      Filesize

      392KB

    • memory/1908-28-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-29-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-30-0x000000001C300000-0x000000001C308000-memory.dmp

      Filesize

      32KB

    • memory/1908-31-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-32-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-33-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-34-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-35-0x00000000209D0000-0x0000000020B0C000-memory.dmp

      Filesize

      1.2MB

    • memory/1908-36-0x0000000021020000-0x000000002152E000-memory.dmp

      Filesize

      5.1MB

    • memory/1908-37-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-38-0x00007FFB16285000-0x00007FFB16286000-memory.dmp

      Filesize

      4KB

    • memory/1908-39-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB

    • memory/1908-41-0x00007FFB15FD0000-0x00007FFB16971000-memory.dmp

      Filesize

      9.6MB