Analysis

  • max time kernel
    146s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07-04-2024 23:18

General

  • Target

    e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe

  • Size

    190KB

  • MD5

    e61836780534d10737e6dac62bb963e8

  • SHA1

    dd8d87cb7059c45e87675726013177e8e4a9f7f1

  • SHA256

    73fa3454ffcf740d1548fd1eeac76735f18159cb88220533bc0e09822001c462

  • SHA512

    d36a9a0093bc675fcd491dfbee241b91d5983f85d079da5e9cd55bda7fee6c96f169a7962e5be4173c03a0de8d81ef987c38901c5744539690b6551c4f758c51

  • SSDEEP

    3072:MhGEUJsR/DxfcajNR1yvDmvOS/M8f2bNy/sBlm96KbanHsNPvXq2j:Mh8slDxxCsOS/zf2os/uGnHsp6e

Malware Config

Signatures

  • Adds policy Run key to start application 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 TTPs

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

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

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

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 64 IoCs

Processes

  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k DcomLaunch -p
    1⤵
      PID:792
    • C:\Windows\Explorer.EXE
      C:\Windows\Explorer.EXE
      1⤵
        PID:3356
        • C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe
          "C:\Users\Admin\AppData\Local\Temp\e61836780534d10737e6dac62bb963e8_JaffaCakes118.exe"
          2⤵
          • Adds policy Run key to start application
          • Checks computer location settings
          • Drops file in System32 directory
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:4592
          • C:\Windows\SysWOW64\cmd.exe
            "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\E61836~1.EXE >> NUL
            3⤵
              PID:4568

        Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • memory/792-3-0x00000000252C0000-0x00000000252D3000-memory.dmp

          Filesize

          76KB

        • memory/3356-4-0x00000000031B0000-0x00000000031C3000-memory.dmp

          Filesize

          76KB

        • memory/4592-0-0x00000000003F0000-0x0000000000414000-memory.dmp

          Filesize

          144KB

        • memory/4592-5-0x00000000003F0000-0x0000000000414000-memory.dmp

          Filesize

          144KB