Analysis

  • max time kernel
    132s
  • max time network
    122s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    17/08/2024, 18:03

General

  • Target

    a39042e8c4b356a504d7813546749da3_JaffaCakes118.exe

  • Size

    85KB

  • MD5

    a39042e8c4b356a504d7813546749da3

  • SHA1

    0673805a75443810628607e6c3404bdfbff64115

  • SHA256

    b44d9711dda79b131866ed2bb68e2295022782410729829ad35e9a93b2ae6a5b

  • SHA512

    cfd601930908fad7237f8623ced74687560115808cb377009782ce2bb66092bad574657c2f24ca05243e829292d1b06b50a5782c6eaa91a09f384df43af7304b

  • SSDEEP

    1536:CmVCmJQqdPxalwGhGegcVP9hAUBRDdkKY9jgOwKcr:bCmOMxbGQYKUB8KYiOwKI

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • UPX packed file 2 IoCs

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

  • 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 use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a39042e8c4b356a504d7813546749da3_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\a39042e8c4b356a504d7813546749da3_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3632
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /q /c "C:\Users\Admin\AppData\Local\Temp\BA28.tmp.bat" > nul 2> nul
      2⤵
      • System Location Discovery: System Language Discovery
      PID:908

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\BA28.tmp.bat

    Filesize

    238B

    MD5

    19957d56009506f8a7945060f75ea20f

    SHA1

    283cf24cb41473bce37830a85e8ca81dd580cb3c

    SHA256

    79bae1f0c70b0256a32268b1f3bbb7ece8f68fce6acfd86d032f71fa37fc416a

    SHA512

    ace9ffdd5356f40f774419681999b45c788cfb58b0f5196bdd753dcfa7ed13cb685d475be45404e2bba5f91e585cd06e241ac022c9e5d3dc8fbb444edb85b0b7

  • memory/3632-0-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB

  • memory/3632-3-0x0000000000400000-0x0000000000435000-memory.dmp

    Filesize

    212KB