Analysis

  • max time kernel
    140s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/09/2024, 19:34

General

  • Target

    e9d5b6d1cb878be2eb49a302b6e93475_JaffaCakes118.exe

  • Size

    207KB

  • MD5

    e9d5b6d1cb878be2eb49a302b6e93475

  • SHA1

    70ee3cad0500ecdc24b5d55173031058e16dcf3f

  • SHA256

    4cb754e8210feefd8a672fd03a5f39d2d7fe06ac32a7eceb7b4165f2138f822f

  • SHA512

    73d0284025c1309c0e7c8cfc7454a378fb7a3f8fc3ac80705a51f2b8ddb21d51a012368b01018f8a6e3ce374424cef5d33178182324495d5e3ac746c5d6ffcaf

  • SSDEEP

    3072:t2EI7aVmEffH8ejocvLWE1BgkVHOy6H+DeCmyxHDKdJosOQ9EM8:tzIymEdjoGLrgMhfeCwoxQ9E

Malware Config

Signatures

  • Event Triggered Execution: AppCert DLLs 1 TTPs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppCert DLLs loaded into processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Loads dropped DLL 1 IoCs
  • Drops file in System32 directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e9d5b6d1cb878be2eb49a302b6e93475_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\e9d5b6d1cb878be2eb49a302b6e93475_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • Loads dropped DLL
    • Drops file in System32 directory
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    PID:4192
    • C:\Windows\System32\rundll32.exe
      "C:\Windows\System32\rundll32.exe" "C:\Windows\system32\Certroxy64.dll",CreateProcessNotify
      2⤵
        PID:4224
    • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
      "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --field-trial-handle=1904,i,8293235976513689021,7261015831736501466,262144 --variations-seed-version --mojo-platform-channel-handle=4340 /prefetch:8
      1⤵
        PID:4044

      Network

      MITRE ATT&CK Enterprise v15

      Replay Monitor

      Loading Replay Monitor...

      Downloads

      • C:\Windows\SysWOW64\Certroxy.dll

        Filesize

        57KB

        MD5

        72331ad0525d7196e863f643294b36ab

        SHA1

        58c491be533454a57dfc880e8727d00e08801e7e

        SHA256

        440ea367f35b58a80512ef8d938cc8d81d6fc111c0196e43a62dc4198a456e40

        SHA512

        8a9cf586fa352d960298720f8bab2922d6f8dc42b329aaac0921e9ad5aa7c93d4c5d1745dcec8e0c3f12feebc88702ae5ad68fdaf69e5b7221b585879475d49f

      • memory/4192-0-0x0000000000C50000-0x0000000000C51000-memory.dmp

        Filesize

        4KB

      • memory/4192-1-0x0000000001000000-0x0000000001036000-memory.dmp

        Filesize

        216KB

      • memory/4192-6-0x0000000001000000-0x0000000001036000-memory.dmp

        Filesize

        216KB