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Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/04/2024, 00:03

General

  • Target

    e39afb63214cca2ea640dcc4d6f6418b_JaffaCakes118.exe

  • Size

    34KB

  • MD5

    e39afb63214cca2ea640dcc4d6f6418b

  • SHA1

    f94102b1af3e25ccc38896f18a54c53abc4c3076

  • SHA256

    96a8fc2974ce0bdf898ddd5d8c04e667e40e253d553394dc1e9c0a6e207d6003

  • SHA512

    9664b65c28813a27e5c01c5ca275abea8a63b9678005343739a6d9138f3d01e4fa22eb330dda070b6bbbc1691a84a1d9d71e8134e0fc7af8e138fb8eda8349c8

  • SSDEEP

    768:ury0HW4pGrVdBlhkbA9KIN6oknyQa5aGU2KtO6/2MPEi:urH24puWbA9KIN6olDdU2KtO6/28l

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • 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.

  • 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 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\e39afb63214cca2ea640dcc4d6f6418b_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e39afb63214cca2ea640dcc4d6f6418b_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Checks processor information in registry
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:3896
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.tt4769.tmp.vbs"
      2⤵
        PID:4576
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:3456
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2412
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
      1⤵
        PID:388

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Users\Admin\AppData\Local\Temp\.tt4769.tmp.vbs

        Filesize

        1002B

        MD5

        9df700c8f6fd43fac0a89aef04214bbd

        SHA1

        6ec8bc6d4041ccf19757757c0da6592469f71c57

        SHA256

        9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

        SHA512

        8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

      • memory/3896-0-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3896-1-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3896-2-0x00000000006B0000-0x00000000006E0000-memory.dmp

        Filesize

        192KB

      • memory/3896-3-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3896-9-0x0000000000400000-0x000000000040F000-memory.dmp

        Filesize

        60KB

      • memory/3896-10-0x00000000006B0000-0x00000000006E0000-memory.dmp

        Filesize

        192KB