Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31/10/2024, 02:44

General

  • Target

    8147c7099643d77c358cf75a3a63dfc5_JaffaCakes118.exe

  • Size

    672KB

  • MD5

    8147c7099643d77c358cf75a3a63dfc5

  • SHA1

    3926b6f0272bc12ce843b5d4c0d805a05c8e7c67

  • SHA256

    e7eca2bf91830d3461001744032be10b2d3cf730518e5b843cf673a4727a67c9

  • SHA512

    693572243d1c6df5ddc537fea2b4bae947c95c7ed35d855e1167a8573c0142efef4e6ab55178844ba144520d75c250544c2b719bd1b8aa88ba0be7c6b071cada

  • SSDEEP

    12288:5ndySpiT3Qi9HCv/QPd/tVR8OputzjF3Z4mxxDm6FSDZWcAIc+cD:R4gOAi9iHWkOYtjQmXDpEDRAY8

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8147c7099643d77c358cf75a3a63dfc5_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8147c7099643d77c358cf75a3a63dfc5_JaffaCakes118.exe"
    1⤵
    • Adds Run key to start application
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3796
    • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1EXE~1.EXE
      C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1EXE~1.EXE
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:3640
      • C:\Windows\RunMgr.EXE
        "C:\Windows\RunMgr.EXE"
        3⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:3652
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Windows\uninstal.BAT
          4⤵
          • System Location Discovery: System Language Discovery
          PID:5004
      • C:\Windows\SysWOW64\cmd.exe
        cmd.exe /c del %SystemRoot%\Debug.exe
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4276
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1EXE~1.EXE > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2708
  • C:\Windows\fsdf.exe
    C:\Windows\fsdf.exe
    1⤵
    • Executes dropped EXE
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:3384

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\IXP000.TMP\1EXE~1.EXE

          Filesize

          332KB

          MD5

          7e88459b69c8e097c6db653af3a97f43

          SHA1

          d97164aae8bf80b8fa94d9dfaecfba8f266abe8f

          SHA256

          124a56123041af2df5af4d38c356dee0b61705d84cb4d6f1470305138aad1f06

          SHA512

          ac0f436e90c68ab73aaa2befecf07265d0bef70651ed989b688b80caa517dec76e6745a293bf302674316dd0e4f3ea7f43371c6737f2bae8ff36170519205c1e

        • C:\Windows\RunMgr.EXE

          Filesize

          280KB

          MD5

          b71bb3319581724a2765e2a320dfb3b0

          SHA1

          0c9a35b863275bf605c64013bb3fa11c26a3f3d1

          SHA256

          1ba8e4c48eb94f6fe21018c3064875756c67b4d9b908ff3167a2703f40cf8f19

          SHA512

          94568ee0a1b3c242f5be6043760a7de6f49136bc70935b33caa0a80bd9702aebd52e0381efa4926fed2f9d2e903cc5cd27ee85a6f3b5c7f98466d183d89db0fd

        • C:\Windows\uninstal.BAT

          Filesize

          92B

          MD5

          10a77a8bff880d8c56bc4d878e7dc63c

          SHA1

          d802f97e663c87517bf9de4faf2a4eedada1491e

          SHA256

          b6969a0db11217adf76be053c7c88f8b44da393eeec554929b2f84831b52b708

          SHA512

          473cb01ff9dc9bdd05f9f458188514bf92a6c6221ae4d4e8ad0b1a297d7d032c45e113d33eef8a05ca69cf307c64f4aca8607cba21f8aedbf02078bf71630d6b

        • memory/3384-33-0x0000000000400000-0x000000000050C000-memory.dmp

          Filesize

          1.0MB

        • memory/3384-26-0x0000000000400000-0x000000000050C000-memory.dmp

          Filesize

          1.0MB

        • memory/3640-20-0x0000000000400000-0x0000000000453000-memory.dmp

          Filesize

          332KB

        • memory/3652-29-0x0000000000400000-0x000000000050C000-memory.dmp

          Filesize

          1.0MB

        • memory/3652-21-0x0000000000400000-0x000000000050C000-memory.dmp

          Filesize

          1.0MB

        • memory/3796-11-0x0000000001000000-0x00000000010B5000-memory.dmp

          Filesize

          724KB

        • memory/3796-7-0x0000000001000000-0x00000000010B5000-memory.dmp

          Filesize

          724KB

        • memory/3796-4-0x0000000001000000-0x00000000010B5000-memory.dmp

          Filesize

          724KB

        • memory/3796-3-0x0000000001000000-0x00000000010B5000-memory.dmp

          Filesize

          724KB

        • memory/3796-0-0x0000000001000000-0x00000000010B5000-memory.dmp

          Filesize

          724KB

        • memory/3796-2-0x0000000001000000-0x00000000010B5000-memory.dmp

          Filesize

          724KB

        • memory/3796-31-0x0000000001061000-0x0000000001062000-memory.dmp

          Filesize

          4KB

        • memory/3796-1-0x0000000001061000-0x0000000001062000-memory.dmp

          Filesize

          4KB