Analysis

  • max time kernel
    15s
  • max time network
    16s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    17-08-2024 02:40

General

  • Target

    a0e816ae09c6ff5434a8000a3428fff5_JaffaCakes118.exe

  • Size

    768KB

  • MD5

    a0e816ae09c6ff5434a8000a3428fff5

  • SHA1

    97e59aeda209a2ece4ba6c7fd5fa1f28efbb0587

  • SHA256

    36c780fb2d44716ec8e470f09cdbae9ea76fb7847e8880c6654ead1a16c1b4f8

  • SHA512

    8c5a8252a7bb551540fd4338069155bf4217f311ec4db519d0d6ace0266467771e209e428d78d5dd7b7b35827d03d85538a20c3db90fb589cd614f30f27ea417

  • SSDEEP

    12288:wi1x55UIEhlCXvkXVg8IBjLvl8NLrcgIHMlNCQQUivUqzxmmPCiRG:BGIEuvQERvWxrctHMlNCQQUi8ohw

Malware Config

Signatures

  • Event Triggered Execution: AppInit DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

  • Executes dropped EXE 1 IoCs
  • Drops file in Program Files directory 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a0e816ae09c6ff5434a8000a3428fff5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a0e816ae09c6ff5434a8000a3428fff5_JaffaCakes118.exe"
    1⤵
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    PID:1984
  • C:\Windows\system32\taskeng.exe
    taskeng.exe {8069BE75-24FE-4563-80C3-B0FA323D88E7} S-1-5-18:NT AUTHORITY\System:Service:
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2860
    • C:\PROGRA~3\Mozilla\bjxxeqk.exe
      C:\PROGRA~3\Mozilla\bjxxeqk.exe -tggqwii
      2⤵
      • Executes dropped EXE
      • Drops file in Program Files directory
      • System Location Discovery: System Language Discovery
      PID:440

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\PROGRA~3\Mozilla\bjxxeqk.exe

    Filesize

    768KB

    MD5

    85c116dd45705144a23ab7cbe7f1c810

    SHA1

    c295c8ecd9584b99661e331926bf88d86985262d

    SHA256

    58f58a9c80d9628c7209d84ecee1cdd34b02f5d8c8b2b1653c619e1f669c9a8c

    SHA512

    4c2799d93b66c57b593d4b91a9b417eb5dbd4ad332552bfdf01caffe7d2239a9c4a96ce3f824bbea6e58f3164e1b198e773a8e6a074951fa5b7a513ca5dad8fa

  • memory/440-10-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/440-12-0x0000000000C50000-0x0000000000CAB000-memory.dmp

    Filesize

    364KB

  • memory/440-17-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1984-0-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB

  • memory/1984-1-0x0000000000250000-0x00000000002AB000-memory.dmp

    Filesize

    364KB

  • memory/1984-7-0x0000000000400000-0x0000000000427000-memory.dmp

    Filesize

    156KB