Analysis

  • max time kernel
    60s
  • max time network
    55s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-04-2024 14:53

General

  • Target

    0570bc2701b9476147a23df169de06a1_JaffaCakes118.exe

  • Size

    394KB

  • MD5

    0570bc2701b9476147a23df169de06a1

  • SHA1

    3f62793a1cef18b670ee9d85c92b7f5e2789b82a

  • SHA256

    111d372ee1fbc5d1b6b43467954cbb30f06e042d00808778aca8ca61e16ac172

  • SHA512

    b5dc2d872302670c140b3c4e94ade78dd8d860d6ff23297fe16754a3229072d456f0472e838094be893fa198f7d32fafd58a72a96108d8d55de04c9e43ce9c14

  • SSDEEP

    12288:EqXPvRxTcOonD0kV3kEhKizNYErP5Iu0nm:E4n/DsDndKcNYEFpkm

Malware Config

Signatures

  • Identifies Xen via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
  • Executes dropped EXE 1 IoCs
  • Identifies Wine through registry keys 2 TTPs 1 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Loads dropped DLL 2 IoCs
  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks for VirtualBox DLLs, possible anti-VM trick 1 TTPs 1 IoCs

    Certain files are specific to VirtualBox VMs and can be used to detect execution in a VM.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\0570bc2701b9476147a23df169de06a1_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\0570bc2701b9476147a23df169de06a1_JaffaCakes118.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:4344
    • C:\Users\Admin\AppData\Local\Temp\MRP30E3.tmp
      "C:\Users\Admin\AppData\Local\Temp\MRP30E3.tmp" -morpheus
      2⤵
      • Identifies Xen via ACPI registry values (likely anti-VM)
      • Executes dropped EXE
      • Identifies Wine through registry keys
      • Checks for VirtualBox DLLs, possible anti-VM trick
      • Enumerates system info in registry
      • Suspicious behavior: EnumeratesProcesses
      PID:1308

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\MRP30E3.tmp

    Filesize

    337KB

    MD5

    cf00eb23e15c701ba8f5e132c3e1d403

    SHA1

    55ee45f4f7028ff09da4bb3e108078667c585cd6

    SHA256

    b2da1b098225c078456d611d4a570baaf670dc3eebf6d02b5934e4f6e3027b06

    SHA512

    964ed582b7cd802709984e92054dcd2f34e5dbd9310d95c7f27af3fe144aaf8b654e2b5a67b7fa0efaec0b19abab8ccc8116c94a3e870138eeb4f03c2fa45194