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Analysis

  • max time kernel
    141s
  • max time network
    116s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/07/2024, 02:39

General

  • Target

    2eb5469afffcc1eba530f7cb2f1cec72_JaffaCakes118.exe

  • Size

    194KB

  • MD5

    2eb5469afffcc1eba530f7cb2f1cec72

  • SHA1

    c5ea4434fcc9905419ddd1c0d3029c1f12daa893

  • SHA256

    63ac974bebaea56825e604d008b0985e6500650e81fee34b424161c8c0d5fed2

  • SHA512

    c90c9ed13a5f2688825a7728eeea9243e5b01151ea8ac44d43652e6cd9ef03b72eca19a9af00a34a6892def54f56dc32f22c828b88bf2c9451fde0cc68e0402a

  • SSDEEP

    3072:5djR7NQRMn3A/Qtl9WNkRbb7u77lqLWk3agqvRlO6vQMXFppUPtNTV/eQz4:5xBNsqj7RqOW9HvPpoMjp6D/eQz

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\2eb5469afffcc1eba530f7cb2f1cec72_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2eb5469afffcc1eba530f7cb2f1cec72_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:372
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.ttB95D.tmp.vbs"
      2⤵
        PID:2620
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3556
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:4000
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
      1⤵
        PID:2656

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\.ttB95D.tmp.vbs

        Filesize

        1002B

        MD5

        9df700c8f6fd43fac0a89aef04214bbd

        SHA1

        6ec8bc6d4041ccf19757757c0da6592469f71c57

        SHA256

        9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

        SHA512

        8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

      • C:\Windows\SysWOW64\blphct2lj0epwo.scr

        Filesize

        116KB

        MD5

        86252f9f1c18a01620605dc9a4f9088d

        SHA1

        76c4bdcf6fbf4c5ae16fbeacebcc30057cc59552

        SHA256

        7568df016dbbc029770bda148b96a3f1bbee5bd95ba498679672603ffe1d90d4

        SHA512

        fc4915ee133833c7cc95db626bcf5347dc7fabbf171fe4a42dc963451970d9536a2253ec53c8cd7c4d791acf904d90423939d166cf14f9637963e29200b092a7

      • memory/372-0-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/372-3-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/372-1-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/372-2-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB

      • memory/372-15-0x0000000000400000-0x00000000004DA000-memory.dmp

        Filesize

        872KB