Analysis

  • max time kernel
    139s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    16/10/2024, 23:31

General

  • Target

    4f9d7ac2a7d970352a8fd6d302b1fd6e_JaffaCakes118.exe

  • Size

    344KB

  • MD5

    4f9d7ac2a7d970352a8fd6d302b1fd6e

  • SHA1

    fed01d03644f685f3a9913cb233eb5c37c3a2299

  • SHA256

    7a0ef9a0eea4dce4acae6b442f51cb7de4f2792504b7c0050fe246c4fe8ef355

  • SHA512

    ae26e69089b03ba69c7aa3a48b4a252d2534143ffb591317360a0c1534ce33bf9cb0fba5257483a752517e57a5be6033ab66a62f8fa8d0e1392a5d8f0447abf9

  • SSDEEP

    6144:iExt1KM6cy2udX0WyBA3oskpZj53lfUaohouTCKd8gN7SV3DNVOVU+:iELGt2u3eA3oTpHVfK+uTSgN7ADNVOVv

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Indicator Removal: File Deletion 1 TTPs

    Adversaries may delete files left behind by the actions of their intrusion activity.

  • Writes to the Master Boot Record (MBR) 1 TTPs 2 IoCs

    Bootkits write to the MBR to gain persistence at a level below the operating system.

  • 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.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4f9d7ac2a7d970352a8fd6d302b1fd6e_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\4f9d7ac2a7d970352a8fd6d302b1fd6e_JaffaCakes118.exe"
    1⤵
    • Writes to the Master Boot Record (MBR)
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1072
    • C:\Users\Admin\AppData\Local\Temp\_uantspro_.exe
      C:\Users\Admin\AppData\Local\Temp\\_uantspro_.exe 712
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Writes to the Master Boot Record (MBR)
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2436
      • C:\Windows\SysWOW64\cmd.exe
        "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\_UANTS~1.EXE > nul
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4128

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\_uantspro_.exe

          Filesize

          344KB

          MD5

          4f9d7ac2a7d970352a8fd6d302b1fd6e

          SHA1

          fed01d03644f685f3a9913cb233eb5c37c3a2299

          SHA256

          7a0ef9a0eea4dce4acae6b442f51cb7de4f2792504b7c0050fe246c4fe8ef355

          SHA512

          ae26e69089b03ba69c7aa3a48b4a252d2534143ffb591317360a0c1534ce33bf9cb0fba5257483a752517e57a5be6033ab66a62f8fa8d0e1392a5d8f0447abf9

        • memory/1072-0-0x0000000010000000-0x0000000010045000-memory.dmp

          Filesize

          276KB