Analysis

  • max time kernel
    150s
  • max time network
    124s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-08-2024 04:31

General

  • Target

    84ce9b051e25eaf69bad892aa77f4bfe_JaffaCakes118.exe

  • Size

    340KB

  • MD5

    84ce9b051e25eaf69bad892aa77f4bfe

  • SHA1

    7777f112cb1ee36f0edb1d12fefca1d40fd96291

  • SHA256

    7efa446da423ec8e7e14fbd04b975af669d742fd661be7d85487a2138291a5c8

  • SHA512

    a7e40712887e111a45a0a35ff31ca2fdee8dc8f16911a067ec86858c2adaef81897b86392083a07f87608a254eab6dca7f2be423e5ff5172905bbfc6d1258339

  • SSDEEP

    6144:cUIh/ZrkpUtP9YNUGMpfKp/H1jmGVNqWX/jVyv:R0tP9VGM9KpNKw1X/

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
  • Loads dropped DLL 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 2 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 2 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Kills process with taskkill 1 IoCs
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 4 IoCs
  • Suspicious use of SendNotifyMessage 4 IoCs
  • Suspicious use of WriteProcessMemory 12 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\84ce9b051e25eaf69bad892aa77f4bfe_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\84ce9b051e25eaf69bad892aa77f4bfe_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3240 -s 504
      2⤵
      • Program crash
      PID:3432
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /f /pid 3240 & ping -n 3 127.1 & del /f /q "C:\Users\Admin\AppData\Local\Temp\84ce9b051e25eaf69bad892aa77f4bfe_JaffaCakes118.exe" & start C:\Users\Admin\AppData\Local\bwjsmjw.exe -f
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:2684
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /f /pid 3240
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4044
      • C:\Windows\SysWOW64\PING.EXE
        ping -n 3 127.1
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:2632
      • C:\Users\Admin\AppData\Local\bwjsmjw.exe
        C:\Users\Admin\AppData\Local\bwjsmjw.exe -f
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:4432
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4432 -s 512
          4⤵
          • Program crash
          PID:2128
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 3240 -ip 3240
    1⤵
      PID:1136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4432 -ip 4432
      1⤵
        PID:2616

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Users\Admin\AppData\Local\bwjsmjw.exe

        Filesize

        340KB

        MD5

        84ce9b051e25eaf69bad892aa77f4bfe

        SHA1

        7777f112cb1ee36f0edb1d12fefca1d40fd96291

        SHA256

        7efa446da423ec8e7e14fbd04b975af669d742fd661be7d85487a2138291a5c8

        SHA512

        a7e40712887e111a45a0a35ff31ca2fdee8dc8f16911a067ec86858c2adaef81897b86392083a07f87608a254eab6dca7f2be423e5ff5172905bbfc6d1258339

      • memory/3240-0-0x0000000000D50000-0x0000000000D52000-memory.dmp

        Filesize

        8KB

      • memory/3240-1-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/3240-2-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/3240-4-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-14-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-9-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-12-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-8-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-16-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-17-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-19-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-21-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-23-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-26-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-28-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-30-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB

      • memory/4432-32-0x0000000001000000-0x00000000010B6000-memory.dmp

        Filesize

        728KB