Analysis

  • max time kernel
    141s
  • max time network
    111s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/07/2024, 04:37

General

  • Target

    3c0210d6ade62a5b92c22c1ebbc99eb6_JaffaCakes118.exe

  • Size

    199KB

  • MD5

    3c0210d6ade62a5b92c22c1ebbc99eb6

  • SHA1

    2de0301ebc6e1aaf058f869c35003f56c5c882bc

  • SHA256

    ce71f55b06eb2e531c36000c3c3af1bc5d982aace6c03c6691c4302f76a0b9f1

  • SHA512

    8b45ca1171f78265ee5d0a74c7816c67bdb1f402d4a2eabb4185bf9451188eb8eab148463179581c9a31cb1bb097233835b13cd0e0522b52484143ea49dfef74

  • SSDEEP

    3072:LrJ1anVKKdZtrG69XvXLWkvHQOQpz80F1VVeRRVDgIN7E/6AuexXcFTnkwj1X7Us:HqwYC65vtSVeRjJRbelcFr974

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\3c0210d6ade62a5b92c22c1ebbc99eb6_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3c0210d6ade62a5b92c22c1ebbc99eb6_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:5016
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.tt809A.tmp.vbs"
      2⤵
        PID:3116
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:2336
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:3500
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
      1⤵
        PID:4848

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\.tt809A.tmp.vbs

              Filesize

              1002B

              MD5

              9df700c8f6fd43fac0a89aef04214bbd

              SHA1

              6ec8bc6d4041ccf19757757c0da6592469f71c57

              SHA256

              9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

              SHA512

              8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

            • C:\Windows\SysWOW64\blphcc0uj0etsu.scr

              Filesize

              116KB

              MD5

              b10a43b9044b488dc8c7d33b250cfebb

              SHA1

              50100ea46001cc84ec2047c2be142e8a44b94664

              SHA256

              5f81ba145a4cf8afff3eeefc8f22b4c69dadcb3cce5ce63abcc54de3d04e3eb3

              SHA512

              41f2539e0dd8405992f95ec3eeab166dd7d976f7e13b809d6706242f1aa5ccb6b2c92338caf155d43cff228f57da262a394804c602c1fd75652b0a0535c7b61c

            • memory/5016-0-0x0000000000400000-0x00000000004DA000-memory.dmp

              Filesize

              872KB

            • memory/5016-1-0x0000000000400000-0x00000000004DA000-memory.dmp

              Filesize

              872KB

            • memory/5016-2-0x0000000000400000-0x00000000004DA000-memory.dmp

              Filesize

              872KB

            • memory/5016-14-0x0000000000400000-0x00000000004DA000-memory.dmp

              Filesize

              872KB