Analysis

  • max time kernel
    150s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/04/2024, 17:31

General

  • Target

    edf8c397adac678ad8b11df86c1abbf9_JaffaCakes118.exe

  • Size

    194KB

  • MD5

    edf8c397adac678ad8b11df86c1abbf9

  • SHA1

    d9fc64ed98a69ac96d9044858d23dc633bb6acc8

  • SHA256

    8e6c5bd07989f54a55be814760bf148a1c49c4e66161c0d00563413832d027b8

  • SHA512

    e1bff306daf491eb923e0fbe2c79e4a031c07be082d37379dfc2a3bb9bd10772a2e6280feb0f195c32764fe84c7a7d3746cae6f898ea9e393ecf03b93fc253e1

  • SSDEEP

    3072:hqUEwVwd0zjld+I/0cmbM+fulMHxznGteKJGJoJuuO73EmjA09+sL:j7VASjlQI/0bfKMTOJ2oMuhPs

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Drops file in System32 directory 2 IoCs
  • Sets desktop wallpaper using registry 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Modifies Control Panel 8 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 11 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Users\Admin\AppData\Local\Temp\edf8c397adac678ad8b11df86c1abbf9_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\edf8c397adac678ad8b11df86c1abbf9_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Adds Run key to start application
    • Drops file in System32 directory
    • Sets desktop wallpaper using registry
    • Checks processor information in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4492
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.tt4611.tmp.vbs"
      2⤵
        PID:404
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3268
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3964
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
      1⤵
        PID:3132

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\.tt4611.tmp.vbs

        Filesize

        1002B

        MD5

        9df700c8f6fd43fac0a89aef04214bbd

        SHA1

        6ec8bc6d4041ccf19757757c0da6592469f71c57

        SHA256

        9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

        SHA512

        8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

      • C:\Windows\SysWOW64\blphcl9kj0erv8.scr

        Filesize

        116KB

        MD5

        b10a43b9044b488dc8c7d33b250cfebb

        SHA1

        50100ea46001cc84ec2047c2be142e8a44b94664

        SHA256

        5f81ba145a4cf8afff3eeefc8f22b4c69dadcb3cce5ce63abcc54de3d04e3eb3

        SHA512

        41f2539e0dd8405992f95ec3eeab166dd7d976f7e13b809d6706242f1aa5ccb6b2c92338caf155d43cff228f57da262a394804c602c1fd75652b0a0535c7b61c

      • memory/4492-0-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/4492-1-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/4492-3-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/4492-2-0x0000000000640000-0x0000000000670000-memory.dmp

        Filesize

        192KB

      • memory/4492-4-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/4492-5-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/4492-17-0x0000000000640000-0x0000000000670000-memory.dmp

        Filesize

        192KB

      • memory/4492-18-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB