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
    12/08/2024, 16:52

General

  • Target

    8f85ebeafa44681fc4b8e10342722499_JaffaCakes118.exe

  • Size

    485KB

  • MD5

    8f85ebeafa44681fc4b8e10342722499

  • SHA1

    fbdb1a95913a752cbe80313cc80d4363b9bfc981

  • SHA256

    1e3d43db0f7df4d61d57d9c867f9217ba69c61b58563a3893ea4fff75cf81a1e

  • SHA512

    3959fb203d6c2bf6f445c026d36f7e7848271a84b8e9132a1e58d8b24c9903617dd2e34677e5422d75702faef1d6e0e775f8745202d3b4dd288fb319beae1900

  • SSDEEP

    6144:GCrmIi+E4cu3O6Jgb2Wf3urb7+ubYihDwUWxid9ZKWw8Um5uukm8nz1lxWdF:7mIiR5u+6ebl3A+ubYK0Uy2ZKJnzRW

Malware Config

Signatures

  • TriumphLoader

    TriumphLoader is a c++ loader based on the open source AbsentLoader.

  • TriumphLoader payload 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 8 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8f85ebeafa44681fc4b8e10342722499_JaffaCakes118.exe
    "C:\Users\Admin\AppData\Local\Temp\8f85ebeafa44681fc4b8e10342722499_JaffaCakes118.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 736
      2⤵
      • Program crash
      PID:2964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 756
      2⤵
      • Program crash
      PID:1888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 756
      2⤵
      • Program crash
      PID:2040
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 828
      2⤵
      • Program crash
      PID:1500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 900
      2⤵
      • Program crash
      PID:3736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1192
      2⤵
      • Program crash
      PID:1396
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1212
      2⤵
      • Program crash
      PID:676
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C reg add "HKEY_CURRENT_USER\Software\NetHelper" /v path /t REG_SZ /d C:\ProgramData\NetHelper\Cache\nvLKidcESojigVTWjBiX /f
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1848
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKEY_CURRENT_USER\Software\NetHelper" /v path /t REG_SZ /d C:\ProgramData\NetHelper\Cache\nvLKidcESojigVTWjBiX /f
        3⤵
        • System Location Discovery: System Language Discovery
        PID:744
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /C timeout /t 60 && SCHTASKS /Create /SC MINUTE /MO 1 /TN "Service for windows Network Helper updates" /TR C:\ProgramData\NetHelper\Cache\nvLKidcESojigVTWjBiX\œ×nethelper.exe /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2844
      • C:\Windows\SysWOW64\timeout.exe
        timeout /t 60
        3⤵
        • System Location Discovery: System Language Discovery
        • Delays execution with timeout.exe
        PID:2620
      • C:\Windows\SysWOW64\schtasks.exe
        SCHTASKS /Create /SC MINUTE /MO 1 /TN "Service for windows Network Helper updates" /TR C:\ProgramData\NetHelper\Cache\nvLKidcESojigVTWjBiX\œ×nethelper.exe /F
        3⤵
        • System Location Discovery: System Language Discovery
        • Scheduled Task/Job: Scheduled Task
        PID:2584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4892 -s 1464
      2⤵
      • Program crash
      PID:3340
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4892 -ip 4892
    1⤵
      PID:2536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4892 -ip 4892
      1⤵
        PID:2364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4892 -ip 4892
        1⤵
          PID:4264
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 4892 -ip 4892
          1⤵
            PID:1228
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 188 -p 4892 -ip 4892
            1⤵
              PID:2656
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 360 -p 4892 -ip 4892
              1⤵
                PID:760
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4892 -ip 4892
                1⤵
                  PID:4068
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 4892 -ip 4892
                  1⤵
                    PID:1004

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

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                  Downloads

                  • memory/4892-1-0x0000000002EB0000-0x0000000002FB0000-memory.dmp

                    Filesize

                    1024KB

                  • memory/4892-2-0x0000000002CC0000-0x0000000002D3F000-memory.dmp

                    Filesize

                    508KB

                  • memory/4892-3-0x0000000000400000-0x0000000000482000-memory.dmp

                    Filesize

                    520KB

                  • memory/4892-6-0x0000000000400000-0x0000000000482000-memory.dmp

                    Filesize

                    520KB

                  • memory/4892-5-0x0000000002CC0000-0x0000000002D3F000-memory.dmp

                    Filesize

                    508KB

                  • memory/4892-4-0x0000000000400000-0x0000000002BF0000-memory.dmp

                    Filesize

                    39.9MB