Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/07/2024, 01:40

General

  • Target

    7695a4fd87188d250a376ccc14c273d8_JaffaCakes118.exe

  • Size

    150KB

  • MD5

    7695a4fd87188d250a376ccc14c273d8

  • SHA1

    7e75f4c07d04ba39d596395e4a6f8f24a26ab0cc

  • SHA256

    3f8ecc1da2da44e81c4d93fc300951a9a82dde499b8e58b01db035a8eff18540

  • SHA512

    cc13e72be74e53e02a8022ce362005e3b13763e799718177674466d9a96e3cb173c199d3cbc26283657d7f868ae49fddaef552e4797111481c98d10f3b58e9aa

  • SSDEEP

    3072:9fowx5tv67tZQwyDY/Krg6wG4jyTVTZ7Cx7Q5035lWTJsZOoB2:1x5xOHbyTmG8ypFCBg07WTWZO62

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • 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\7695a4fd87188d250a376ccc14c273d8_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\7695a4fd87188d250a376ccc14c273d8_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
    • System Location Discovery: System Language Discovery
    • Checks processor information in registry
    • Modifies Control Panel
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:1396
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.tt87FC.tmp.vbs"
      2⤵
      • System Location Discovery: System Language Discovery
      PID:456
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:3872
  • C:\Windows\system32\srtasks.exe
    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:4448
  • C:\Windows\system32\srtasks.exe
    C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
    1⤵
      PID:4908

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Temp\.tt87FC.tmp.vbs

            Filesize

            1002B

            MD5

            9df700c8f6fd43fac0a89aef04214bbd

            SHA1

            6ec8bc6d4041ccf19757757c0da6592469f71c57

            SHA256

            9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

            SHA512

            8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

          • C:\Windows\SysWOW64\blphce2nj0e9u7.scr

            Filesize

            116KB

            MD5

            b10a43b9044b488dc8c7d33b250cfebb

            SHA1

            50100ea46001cc84ec2047c2be142e8a44b94664

            SHA256

            5f81ba145a4cf8afff3eeefc8f22b4c69dadcb3cce5ce63abcc54de3d04e3eb3

            SHA512

            41f2539e0dd8405992f95ec3eeab166dd7d976f7e13b809d6706242f1aa5ccb6b2c92338caf155d43cff228f57da262a394804c602c1fd75652b0a0535c7b61c

          • memory/1396-0-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/1396-1-0x0000000002210000-0x0000000002212000-memory.dmp

            Filesize

            8KB

          • memory/1396-13-0x0000000000400000-0x00000000004CF000-memory.dmp

            Filesize

            828KB

          • memory/1396-15-0x0000000002210000-0x0000000002212000-memory.dmp

            Filesize

            8KB