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Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26/07/2024, 09:27

General

  • Target

    7379266faf938b9800fb485ce1356199_JaffaCakes118.exe

  • Size

    294KB

  • MD5

    7379266faf938b9800fb485ce1356199

  • SHA1

    707a2331f287222389726bcf52c9e07a26f97b81

  • SHA256

    aaf919a2e3851aacd5d92162dcb0bf8cb2867a40945fe89009a03bef33b15e26

  • SHA512

    177d73364fdc9cdf520fe1debf3956704726a4ea209a590b631a05c240b7a85e0abd5617527cb8ba3c317222f040b1a9f3423a8da434a8ab439c51cd90a04dfb

  • SSDEEP

    6144:i2n8sulpr3O5qJDqkS1zTWvpcpP9lzLWtkn:h8suTa5qg4it9l3Wts

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • UPX packed file 15 IoCs

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

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Checks for any installed AV software in registry 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5088
    • C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe" "C:\Users\Admin\AppData\Local\Temp\7379266faf938b9800fb485ce1356199_JaffaCakes118.exe"
      2⤵
      • Checks computer location settings
      • Adds Run key to start application
      • Checks for any installed AV software in registry
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5072
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill.exe /F /IM MSASCui* /IM avg* /IM ash* /IM McSA* /IM msse*
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2188

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • memory/5072-16-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-17-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-3-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-4-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-5-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-7-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-36-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-6-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-0-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-8-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-21-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-24-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-25-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-34-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5072-35-0x0000000000400000-0x0000000000484000-memory.dmp

    Filesize

    528KB

  • memory/5088-2-0x0000000000400000-0x0000000000450000-memory.dmp

    Filesize

    320KB