Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/08/2024, 05:17

General

  • Target

    8923375f2d0a7d312b80c4caffc6fa98_JaffaCakes118.exe

  • Size

    24KB

  • MD5

    8923375f2d0a7d312b80c4caffc6fa98

  • SHA1

    ffc25e678190cbd31a74fc1a82a1317c784e0885

  • SHA256

    085abfef94f2419b4e157ac363c15dddefc419fdeda4bf3e17b9dce122e51d6b

  • SHA512

    2ee618a2df3b6ad14b8a2d02928d9a4be2f4e080d73c0c49b594d6d1290388ca1b515677df134e208eebc2b9871bbf3f4c977b55f9e47741f05f2f7bbb4774d2

  • SSDEEP

    384:6nSIdMYJpdYtd7wfp2XsWra7ybseEuoYzzumoAoSaQuWJEHFYPwLp3:yvMYWf7X/oYzzu7HDQuXl3

Score
10/10

Malware Config

Signatures

  • Modifies security service 2 TTPs 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Network Share Discovery 1 TTPs

    Attempt to gather information on host network.

  • Suspicious use of SetThreadContext 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Runs net.exe
  • Suspicious use of WriteProcessMemory 19 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8923375f2d0a7d312b80c4caffc6fa98_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8923375f2d0a7d312b80c4caffc6fa98_JaffaCakes118.exe"
    1⤵
    • Modifies security service
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4808
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop wscsvc
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1828
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop wscsvc
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2032
    • C:\Windows\SysWOW64\net.exe
      "C:\Windows\System32\net.exe" stop SharedAccess
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:940
      • C:\Windows\SysWOW64\net1.exe
        C:\Windows\system32\net1 stop SharedAccess
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4980
    • C:\Users\Admin\AppData\Local\Temp\8923375f2d0a7d312b80c4caffc6fa98_JaffaCakes118.exe
      "C:\Users\Admin\AppData\Local\Temp\8923375f2d0a7d312b80c4caffc6fa98_JaffaCakes118.exe"
      2⤵
        PID:3664
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 3664 -s 468
          3⤵
          • Program crash
          PID:3700
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3664 -ip 3664
      1⤵
        PID:5088

      Network

            MITRE ATT&CK Enterprise v15

            Replay Monitor

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            Downloads

            • memory/3664-1-0x0000000000400000-0x0000000000402000-memory.dmp

              Filesize

              8KB

            • memory/3664-0-0x0000000000400000-0x0000000000402000-memory.dmp

              Filesize

              8KB

            • memory/3664-4-0x0000000000400000-0x0000000000402000-memory.dmp

              Filesize

              8KB

            • memory/4808-5-0x0000000000400000-0x000000000040C748-memory.dmp

              Filesize

              49KB