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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
    12/10/2024, 17:38

General

  • Target

    3b4465726cc08d05f1e34fab4afa300d_JaffaCakes118.exe

  • Size

    28KB

  • MD5

    3b4465726cc08d05f1e34fab4afa300d

  • SHA1

    c71e0f60bae2897da07838381c620e2f9bfefc1d

  • SHA256

    05a7a4c2e20735ca3823ff57b83fb7dca58cd2ee9c8f8a4769bed9385cae6755

  • SHA512

    a0e383d95bc81f407976b0fc9948133171bf754d92090241dad51507494cf36f59b460f17d04c3428adf1d14daf27a648caa2cf05ec94922abc6eee1858948e4

  • SSDEEP

    384:YB360vym2ZWCSkxpTT6kOiu98z53JSDKTq7PQ:8Xym2RHT6BiHjgKTKPQ

Malware Config

Signatures

  • Boot or Logon Autostart Execution: Active Setup 2 TTPs 2 IoCs

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

  • Executes dropped EXE 1 IoCs
  • 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 6 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 4 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

  • Modifies registry class 12 IoCs
  • Runs ping.exe 1 TTPs 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3b4465726cc08d05f1e34fab4afa300d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3b4465726cc08d05f1e34fab4afa300d_JaffaCakes118.exe"
    1⤵
    • Boot or Logon Autostart Execution: Active Setup
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4372
    • C:\Windows\SysWOW64\cmd.exe
      cmd /c ping 127.0.0.1 -n 3 &del 3b4465726cc08d05f1e34fab4afa300d_JaffaCakes118.exe &start BHOCALL.EXE
      2⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      • Suspicious use of WriteProcessMemory
      PID:5032
      • C:\Windows\SysWOW64\PING.EXE
        ping 127.0.0.1 -n 3
        3⤵
        • System Location Discovery: System Language Discovery
        • System Network Configuration Discovery: Internet Connection Discovery
        • Runs ping.exe
        PID:3904
      • C:\Windows\SysWOW64\BHOCALL.EXE
        BHOCALL.EXE
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Modifies registry class
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:312
        • C:\Windows\SysWOW64\cmd.exe
          cmd /c if exist C:\Users\Admin\AppData\Local\Temp\\~C41B.tmp start C:\Users\Admin\AppData\Local\Temp\\~C41B.tmp&ping 127.0.0.1 -n 20&if exist C:\Users\Admin\AppData\Local\Temp\\~C41B.tmp del C:\Users\Admin\AppData\Local\Temp\\~C41B.tmp
          4⤵
          • System Location Discovery: System Language Discovery
          • System Network Configuration Discovery: Internet Connection Discovery
          • Modifies registry class
          • Suspicious use of WriteProcessMemory
          PID:2376
          • C:\Windows\SysWOW64\PING.EXE
            ping 127.0.0.1 -n 20
            5⤵
            • System Location Discovery: System Language Discovery
            • System Network Configuration Discovery: Internet Connection Discovery
            • Runs ping.exe
            PID:4496
  • C:\Windows\system32\OpenWith.exe
    C:\Windows\system32\OpenWith.exe -Embedding
    1⤵
    • Modifies registry class
    • Suspicious use of SetWindowsHookEx
    PID:220

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\SysWOW64\BHOCALL.EXE

    Filesize

    28KB

    MD5

    3b4465726cc08d05f1e34fab4afa300d

    SHA1

    c71e0f60bae2897da07838381c620e2f9bfefc1d

    SHA256

    05a7a4c2e20735ca3823ff57b83fb7dca58cd2ee9c8f8a4769bed9385cae6755

    SHA512

    a0e383d95bc81f407976b0fc9948133171bf754d92090241dad51507494cf36f59b460f17d04c3428adf1d14daf27a648caa2cf05ec94922abc6eee1858948e4

  • memory/312-6-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/4372-0-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB

  • memory/4372-2-0x0000000000400000-0x0000000000407000-memory.dmp

    Filesize

    28KB