Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    13/10/2024, 03:16

General

  • Target

    3d80b16656969cb190d7ea4067d7e467_JaffaCakes118.exe

  • Size

    634KB

  • MD5

    3d80b16656969cb190d7ea4067d7e467

  • SHA1

    648d870e95ca3bf9650434de07ad75f73a92a5d5

  • SHA256

    0bb828415d561c17497945e8be37e088475267c98987bbbc8736a74d9b450926

  • SHA512

    6dd90605ef99ae7d2e564815e7c449911e853e654557abccf2857b6736f532cea4f3b2dff5a836288c7ea26e0d6d4159637990c1743b71780c993aefa243dd5d

  • SSDEEP

    12288:SFLgG4GjeZHkwuPikQ7lKH5p5H9x14eZHkwuli3QblKL5pFx3iRE:SF8G4GjeZEXi37l6Br14eZE9iAblIdhx

Malware Config

Signatures

  • 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 3 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3d80b16656969cb190d7ea4067d7e467_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\3d80b16656969cb190d7ea4067d7e467_JaffaCakes118.exe"
    1⤵
    • 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:2656
    • C:\Windows\SysWOW64\regsvr32.exe
      regsvr32 "C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home1002\ie\MediaWatchV1home1002.dll" /s
      2⤵
      • Loads dropped DLL
      • Installs/modifies Browser Helper Object
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      PID:2588
    • C:\Windows\SysWOW64\gpupdate.exe
      "C:\Windows\System32\gpupdate.exe" /force
      2⤵
      • System Location Discovery: System Language Discovery
      PID:2480

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Program Files (x86)\MediaWatchV1\MediaWatchV1home1002\ie\MediaWatchV1home1002.dll

          Filesize

          85KB

          MD5

          e9cd82dbf49f801998c5edf6f99cab4f

          SHA1

          e6628b9fd3bcbbf0536ea2deed34764180bee9ee

          SHA256

          e3a4a8a09d58245ebb5ce0ef1ee89121e1be22eaf6f667cf14469c1587af6880

          SHA512

          c06b8a2fd364991cc6dfcf2197403607492dc5b01339e31c52b717fa8df59712231fc2dd68252572aba86348523397337e5d97b38e541f1e94fafb0cbfe4b598

        • \Users\Admin\AppData\Local\Temp\nsi55AF.tmp\aminsis.dll

          Filesize

          559KB

          MD5

          51ba1095f0ae45a2d444bea506cb9ad4

          SHA1

          038a5d53d055a6d440bd2c8864c2f51db206c5e5

          SHA256

          b620091bf9973e807e12155d2247a6d233b5d13ec38c426675470ab4b26f0539

          SHA512

          f5fe2dd0f19bcaab47540ceedbec71f7f7c5b833c8772c097594c458e5f1101fe9feb849812b65c175055f71dfb13f11c4ad94fef42cd66f247413e453de3361