Analysis

  • max time kernel
    120s
  • max time network
    120s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    11-07-2024 14:58

General

  • Target

    39995c03260fe8f31763600994d55401_JaffaCakes118.exe

  • Size

    35KB

  • MD5

    39995c03260fe8f31763600994d55401

  • SHA1

    1e2a3f9b29c014ebefaed7c1bd163da9d9de23e0

  • SHA256

    cb4aa07f83e36aaac8270659606a1585f890b0e450842231cbb62fcbb7a41f1a

  • SHA512

    d4cf74a7205d5e28500aa5ae293d078b8bdeef0cc066fbc126347d7ed3dcfff124870e9aa5946987a6d038b9183bd4e6ededbdeb9b276985b025539678673388

  • SSDEEP

    768:00YBEglpqqht8y7kHYJs1qbo9kXCJ2SqPpNEjW2gq:Od5htVQ4U+o9XNq4W2gq

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 IoCs
  • Unexpected DNS network traffic destination 5 IoCs

    Network traffic to other servers than the configured DNS servers was detected on the DNS port.

  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Program Files directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of WriteProcessMemory 26 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\39995c03260fe8f31763600994d55401_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\39995c03260fe8f31763600994d55401_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2732
    • C:\Users\Admin\AppData\Local\Temp\39995c03260fe8f31763600994d55401_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\39995c03260fe8f31763600994d55401_JaffaCakes118.exe"
      2⤵
      • Loads dropped DLL
      • Drops file in Program Files directory
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
        "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\39995c03260fe8f31763600994d55401_JaffaCakes118.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:2908
        • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe
          "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\39995c03260fe8f31763600994d55401_JaffaCakes118.exe
          4⤵
          • Executes dropped EXE
          • Suspicious use of WriteProcessMemory
          PID:2636
          • C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe
            "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync .exe" "C:\Program Files (x86)\Microsoft Office\Office14\BCSSync.exe" DEL:C:\Users\Admin\AppData\Local\Temp\39995c03260fe8f31763600994d55401_JaffaCakes118.exe
            5⤵
              PID:480

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • \Program Files (x86)\Microsoft Office\Office14\BCSSync.exe

      Filesize

      35KB

      MD5

      0512052a647ca42f9705e51fae132f80

      SHA1

      9a288abb9fe1ea36c4797f0d170ab1829c5cc70e

      SHA256

      c8e34369ed11f5ecd4b2b2517020b6d2f9a477b5bee93de02dab689c64f3bd6d

      SHA512

      6a46e89158d62421272bb5fc61c8556aece1ab8d73048d0b46c5d60f86747a4330b87651d141aa115a5a5f4362784a971484f53b35a3e48c0485d195404feb91

    • memory/2636-41-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-0-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-10-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-8-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-6-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-4-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-2-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-12-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB

    • memory/2780-39-0x0000000000400000-0x0000000000409000-memory.dmp

      Filesize

      36KB