Analysis

  • max time kernel
    148s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240704-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240704-enlocale:en-usos:windows10-2004-x64system
  • submitted
    21/07/2024, 17:38

General

  • Target

    60c91ef3b9a3fbe4f5e755bf059cc614_JaffaCakes118.exe

  • Size

    107KB

  • MD5

    60c91ef3b9a3fbe4f5e755bf059cc614

  • SHA1

    ada76840df53c2e4bdf82d19e8f2ec87d6d8353f

  • SHA256

    99bb650243e7a9d072309c73f8ab16f51d2b861056f2859bf89f0b9efac9f4c6

  • SHA512

    69a124a71738999f280ef0c56d4716744a69354cf7ac12d3e4fd9a5cee61b87e2ebeaf135549e758e2adf9614f13eafd9d838f37faa2798f476148ad36b2995d

  • SSDEEP

    3072:hIMXprUdfTQvRyLH1cZU1P08gtuBF6/Gi:hILICiUp1gtuBF6/Gi

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
  • UPX packed file 2 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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\60c91ef3b9a3fbe4f5e755bf059cc614_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\60c91ef3b9a3fbe4f5e755bf059cc614_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:1960
    • C:\Windows\SysWOW64\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\.ttB517.tmp.vbs"
      2⤵
        PID:2012
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      • Suspicious use of AdjustPrivilegeToken
      PID:4332
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      1⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2016
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:3
      1⤵
        PID:4504

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • C:\Users\Admin\AppData\Local\Temp\.ttB517.tmp.vbs

              Filesize

              1002B

              MD5

              9df700c8f6fd43fac0a89aef04214bbd

              SHA1

              6ec8bc6d4041ccf19757757c0da6592469f71c57

              SHA256

              9ab6f2c3cc3965cd05f81d859bdfac3b25a5e70178f61ea677d31987c4e142fd

              SHA512

              8bbcd322f3998c0f7d81884737ca313c1353ac7e3899f168fc8d44eafbe064193353b8b16f92113288ff2102c47623b542861440c414b8acf36d75c4ad645d4d

            • C:\Windows\SysWOW64\blphc35tj0e5k6.scr

              Filesize

              59KB

              MD5

              538f9ead95eba12134d95b4fe7082331

              SHA1

              527c50b92b5cededdd5b7e3edda71cb13d108dac

              SHA256

              a416bab39037854c14540edaaf80cff7b5f2e9db31eee235527574e8dedd54e6

              SHA512

              4631ff7cf868348585ee0e26591b95be3ee8b232c7980f5013f4464f285b0fbdef41794c44cb8653d6fb6dc815c0c0a9f4af780bfeb9b23d2f4c3bdc62bf4581

            • memory/1960-0-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1960-1-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1960-2-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1960-3-0x00000000006F0000-0x0000000000720000-memory.dmp

              Filesize

              192KB

            • memory/1960-4-0x0000000000404000-0x0000000000406000-memory.dmp

              Filesize

              8KB

            • memory/1960-16-0x0000000003040000-0x00000000030F4000-memory.dmp

              Filesize

              720KB

            • memory/1960-17-0x0000000000400000-0x0000000000436000-memory.dmp

              Filesize

              216KB

            • memory/1960-19-0x00000000006F0000-0x0000000000720000-memory.dmp

              Filesize

              192KB