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Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 16:51

General

  • Target

    40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe

  • Size

    193KB

  • MD5

    40fdb4a609723d4d68fab406fb930085

  • SHA1

    81e56eb35e17f8e9dcb0e11dcc9eeedc3d6c170d

  • SHA256

    c6be5e666560026ce3681522e047c26db102d72ba2d637d4ff1e9c4832e51371

  • SHA512

    e8c425102c392b74e77cefcaf6bed5d650931a871f98365360b65c341008f949e22e20393d72dd1e6af7b9ea17c31d386c56ed8454e54ceb066bc663863e77d8

  • SSDEEP

    3072:gjAvo7lBultySqPBP0TR2c3rWIG2gUwr0aQ88IphDF5LtDQ7nE/W4GfogdorIPE:gjJD6IaTR2c3UN0b88IphDNDbe40CIM

Score
7/10

Malware Config

Signatures

  • 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
  • UPX packed file 3 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 3 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • 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 behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\40fdb4a609723d4d68fab406fb930085_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4952
    • C:\Users\Admin\AppData\Local\Temp\ins6912\ins6912.exe
      "C:\Users\Admin\AppData\Local\Temp\ins6912\ins6912.exe" /t10272a0ad0edf20d37d8f04562b0dc /e9107993 /u8326f16e-dd66-11e2-a752-00259033c1da
      2⤵
      • Executes dropped EXE
      • Drops desktop.ini file(s)
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:2580

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\ins6912\ins6912.exe

    Filesize

    253KB

    MD5

    990774201cab9f23e9b2a4dbfd7b322d

    SHA1

    a77b83a8a3b9efcc38e8b3d1c42e681c1450470c

    SHA256

    68da632d702639815cc5875aefd103304c528df93bd8e197e7d6335787d131ae

    SHA512

    1d15af0b2a44b23319ffe35164b285868a32cd7b2e5810bf97902d5f91891eaf6f8f6e182d0ca9e6090a670f768567a3f667a95451d93e9881734f0c8b2ebde5

  • memory/2580-18-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-12-0x0000000073942000-0x0000000073943000-memory.dmp

    Filesize

    4KB

  • memory/2580-13-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-14-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-17-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-19-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-20-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-22-0x0000000073942000-0x0000000073943000-memory.dmp

    Filesize

    4KB

  • memory/2580-23-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/2580-25-0x0000000073940000-0x0000000073EF1000-memory.dmp

    Filesize

    5.7MB

  • memory/4952-0-0x0000000000660000-0x00000000006DA000-memory.dmp

    Filesize

    488KB

  • memory/4952-21-0x0000000000660000-0x00000000006DA000-memory.dmp

    Filesize

    488KB

  • memory/4952-26-0x0000000000660000-0x00000000006DA000-memory.dmp

    Filesize

    488KB