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Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 05:24

General

  • Target

    2ba5506db32385b11f195cee7a6c650d_JaffaCakes118.exe

  • Size

    634KB

  • MD5

    2ba5506db32385b11f195cee7a6c650d

  • SHA1

    6c782d6ce1d2f9a00ddb976ec1b488d21d5f7cf2

  • SHA256

    3f0d55cc76b37f8cad60406ad252b0b44c12017612f41004c0c04d2985eb1336

  • SHA512

    6afafdf44776d5beadd2e62bc8287b2575e42bbcb13215b26bbf75a6990c13e9e83b47753cd9c8d53bac185539319e136da6b3131364bb368d83510002d6eee4

  • SSDEEP

    12288:HipfnwAyG4GjeZHkwuPikQ7lKH5p5H9x1KeZHkwuViRQJlKT5pjxFlfY:HitwAyG4GjeZEXi37l6Br1KeZEti2Jlf

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
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Installs/modifies Browser Helper Object 2 TTPs 3 IoCs

    BHOs are DLL modules which act as plugins for Internet Explorer.

  • Drops file in System32 directory 4 IoCs
  • Drops file in Program Files directory 22 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

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

  • Modifies Internet Explorer settings 1 TTPs 2 IoCs
  • Modifies registry class 36 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2ba5506db32385b11f195cee7a6c650d_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\2ba5506db32385b11f195cee7a6c650d_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • System Location Discovery: System Language Discovery
    • Modifies Internet Explorer settings
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of WriteProcessMemory
    PID:1344
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2381\ie\MediaWatchV1home2381.dll" /s
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:3552
    • C:\Windows\SysWOW64\gpupdate.exe
      "C:\Windows\System32\gpupdate.exe" /force
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2808
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc
    1⤵
      PID:4968
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum
      1⤵
        PID:3088

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

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      Downloads

      • C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home2381\ie\MediaWatchV1home2381.dll

        Filesize

        85KB

        MD5

        9719204ac813cf91b88eb9b960591505

        SHA1

        33002ca5b49d0863f36ab629250e18b626e9a250

        SHA256

        07be6b1071564a869035dc03ad1010537cce3a1e21514f80671b143fb3bd0b5a

        SHA512

        7a626f5cf5e9349e2e283e0749bec697435cb30ec56ad280bc01599f64253970a57e42489f371b8800783be6d74c27aa13f0e606c00744213fd2db251cb755d8

      • C:\Users\Admin\AppData\Local\Temp\nsrA3A3.tmp\aminsis.dll

        Filesize

        559KB

        MD5

        51ba1095f0ae45a2d444bea506cb9ad4

        SHA1

        038a5d53d055a6d440bd2c8864c2f51db206c5e5

        SHA256

        b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

        SHA512

        f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361