Analysis

  • max time kernel
    139s
  • max time network
    124s
  • 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 06:49

General

  • Target

    72fec4a8540bb7739ad1ce6a751c8a64_JaffaCakes118.exe

  • Size

    12KB

  • MD5

    72fec4a8540bb7739ad1ce6a751c8a64

  • SHA1

    9f4a61a5eb8af57881d97a29fec0aaef7be3ad16

  • SHA256

    8de2ecae6974d0b59260b5c761323aa3d61864bd772a999ce5851ba163c83220

  • SHA512

    167650614aecd47104cbd6ef10013409134e4467b946c23f1053facd99e02be896665c61241390c8994ae69b40df215326b19c0e5b17ecccd881cf129b41f8bc

  • SSDEEP

    192:tb1JwjxT20IZnVWI/4PBcuEievsFlWRbsm:tbqBEZnVWI0clWFlW57

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • UPX packed file 2 IoCs

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

  • Drops file in System32 directory 2 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 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3480
      • C:\Users\Admin\AppData\Local\Temp\72fec4a8540bb7739ad1ce6a751c8a64_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\72fec4a8540bb7739ad1ce6a751c8a64_JaffaCakes118.exe"
        2⤵
        • Checks computer location settings
        • Drops file in System32 directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3992
        • C:\Windows\SysWOW64\wscript.exe
          "C:\Windows\System32\wscript.exe" C:\Users\Admin\AppData\Local\Temp\\1.vbs
          3⤵
          • Deletes itself
          • System Location Discovery: System Language Discovery
          PID:1696

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\1.vbs

      Filesize

      350B

      MD5

      3fcbb4368d850caaa1161f4fc4d29861

      SHA1

      828435deb3ddbbc105c295a8a9df4e265f812482

      SHA256

      406f2380d5ca3644d33a36fa12dcf94215d4bd1f414d8c35f75f94d7fca79de2

      SHA512

      cf2253bd176e8cfcc8dd3de52280a9318797cb9260ae2093ff799fab485eca0760273611adb19920840897d15ce34fecb60f2b9c493abe87f1a09cf5ac80c7a5

    • memory/3992-0-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB

    • memory/3992-1-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB

    • memory/3992-4-0x0000000000400000-0x000000000040D000-memory.dmp

      Filesize

      52KB

    • memory/3992-5-0x0000000000401000-0x0000000000404000-memory.dmp

      Filesize

      12KB