Analysis

  • max time kernel
    148s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-07-2024 15:23

General

  • Target

    27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe

  • Size

    237KB

  • MD5

    27000663bafb3f68289c2332feabbbb1

  • SHA1

    68f9adb85a0372067093b939cf6e002c36589e00

  • SHA256

    50c30e379c8bbb67c727ab25813f8de0b8e699ac72557984c0a0d0f20b56766e

  • SHA512

    d180c4a1065bb01f51f0cb938b34175fbc79401731e6dc6072da629768ea43ab365e44585ee7b6ccaf3768ebb56d9af3db24b97390afefb162b728f1a670ba9e

  • SSDEEP

    3072:xrPlkw7Jk0o/0KI2QBJrzlyy6VoComIDPBeIg7qDHY7Cxyz+:xqwNkRHI2cHlyy6V2m3IdHUmh

Malware Config

Extracted

Family

metasploit

Version

encoder/call4_dword_xor

Signatures

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Modifies firewall policy service 3 TTPs 8 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Deletes itself 1 IoCs
  • Executes dropped EXE 2 IoCs
  • UPX packed file 12 IoCs

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

  • Adds Run key to start application 2 TTPs 1 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

    Disk information is often read in order to detect sandboxing environments.

  • Drops file in System32 directory 5 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3588
      • C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
        "C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe"
        2⤵
        • Suspicious use of SetThreadContext
        • Suspicious use of WriteProcessMemory
        PID:640
        • C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\27000663bafb3f68289c2332feabbbb1_JaffaCakes118.exe"
          3⤵
          • Checks computer location settings
          • Maps connected drives based on registry
          • Drops file in System32 directory
          • Modifies registry class
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4660
          • C:\Windows\SysWOW64\igfxhk64.exe
            "C:\Windows\SysWOW64\igfxhk64.exe" C:\Users\Admin\AppData\Local\Temp\270006~1.EXE
            4⤵
            • Executes dropped EXE
            • Suspicious use of SetThreadContext
            • Suspicious use of WriteProcessMemory
            PID:2272
            • C:\Windows\SysWOW64\igfxhk64.exe
              "C:\Windows\SysWOW64\igfxhk64.exe" C:\Users\Admin\AppData\Local\Temp\270006~1.EXE
              5⤵
              • Modifies firewall policy service
              • Deletes itself
              • Executes dropped EXE
              • Adds Run key to start application
              • Maps connected drives based on registry
              • Drops file in System32 directory
              • Suspicious behavior: EnumeratesProcesses
              • Suspicious use of WriteProcessMemory
              PID:1768
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=4100,i,18261153038209191383,10347744459236715365,262144 --variations-seed-version --mojo-platform-channel-handle=4240 /prefetch:8
      1⤵
        PID:4072

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\igfxhk64.exe

        Filesize

        237KB

        MD5

        27000663bafb3f68289c2332feabbbb1

        SHA1

        68f9adb85a0372067093b939cf6e002c36589e00

        SHA256

        50c30e379c8bbb67c727ab25813f8de0b8e699ac72557984c0a0d0f20b56766e

        SHA512

        d180c4a1065bb01f51f0cb938b34175fbc79401731e6dc6072da629768ea43ab365e44585ee7b6ccaf3768ebb56d9af3db24b97390afefb162b728f1a670ba9e

      • memory/1768-46-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1768-43-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1768-44-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1768-45-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1768-47-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1768-48-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/1768-54-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/4660-3-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/4660-4-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/4660-2-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/4660-38-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB

      • memory/4660-0-0x0000000000400000-0x0000000000464000-memory.dmp

        Filesize

        400KB