Analysis

  • max time kernel
    147s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    29/01/2023, 16:21

General

  • Target

    3c38eb510b9a2616b648de7734a8772a9739102599e7e128cc520d8b958b57d5.exe

  • Size

    368KB

  • MD5

    17358cc82a59b6403afb0ab287ab5629

  • SHA1

    778da0baf186f31b6c7b525fc112bb070514f4b0

  • SHA256

    3c38eb510b9a2616b648de7734a8772a9739102599e7e128cc520d8b958b57d5

  • SHA512

    8a58ef4a5bb03337f785bf2dcf1e212b6f28e5bbb8da906b84e4e1d8b6c4c70e361a4ca1235e1cffab9b5e899e869ee8782ec7e114018a2d1315f09190d6fc89

  • SSDEEP

    6144:NbfDIM2SpQtijNZ9ZtEYB5bY0xRWRrrDJwwD4GizoIVwoeyEE30GLfijJO:Nb0eCy9ZtEwmzaw0GizBi3yEs/Lfq

Malware Config

Signatures

  • TriumphLoader

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

  • TriumphLoader payload 4 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). Likely ransomware behaviour.

  • Program crash 8 IoCs
  • Creates scheduled task(s) 1 TTPs 1 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Suspicious use of WriteProcessMemory 15 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3c38eb510b9a2616b648de7734a8772a9739102599e7e128cc520d8b958b57d5.exe
    "C:\Users\Admin\AppData\Local\Temp\3c38eb510b9a2616b648de7734a8772a9739102599e7e128cc520d8b958b57d5.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 740
      2⤵
      • Program crash
      PID:1604
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 752
      2⤵
      • Program crash
      PID:2784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 752
      2⤵
      • Program crash
      PID:3360
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 808
      2⤵
      • Program crash
      PID:4864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 768
      2⤵
      • Program crash
      PID:1812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 1176
      2⤵
      • Program crash
      PID:5020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 1184
      2⤵
      • Program crash
      PID:4108
    • 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\JTfnbnViwUeYbWimRKjE /f
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1880
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKEY_CURRENT_USER\Software\NetHelper" /v path /t REG_SZ /d C:\ProgramData\NetHelper\Cache\JTfnbnViwUeYbWimRKjE /f
        3⤵
          PID:552
      • 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\JTfnbnViwUeYbWimRKjE\èànethelper.exe /F
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:2108
        • C:\Windows\SysWOW64\timeout.exe
          timeout /t 60
          3⤵
          • Delays execution with timeout.exe
          PID:2660
        • C:\Windows\SysWOW64\schtasks.exe
          SCHTASKS /Create /SC MINUTE /MO 1 /TN "Service for windows Network Helper updates" /TR C:\ProgramData\NetHelper\Cache\JTfnbnViwUeYbWimRKjE\èànethelper.exe /F
          3⤵
          • Creates scheduled task(s)
          PID:4452
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 2636 -s 1276
        2⤵
        • Program crash
        PID:2484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2636 -ip 2636
      1⤵
        PID:4364
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 2636 -ip 2636
        1⤵
          PID:1136
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 2636 -ip 2636
          1⤵
            PID:5008
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2636 -ip 2636
            1⤵
              PID:4768
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2636 -ip 2636
              1⤵
                PID:3172
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2636 -ip 2636
                1⤵
                  PID:1292
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 2636 -ip 2636
                  1⤵
                    PID:3728
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 588 -p 2636 -ip 2636
                    1⤵
                      PID:344

                    Network

                    MITRE ATT&CK Enterprise v6

                    Replay Monitor

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                    Downloads

                    • memory/2636-133-0x0000000000D70000-0x0000000000DEF000-memory.dmp

                      Filesize

                      508KB

                    • memory/2636-132-0x0000000000AC7000-0x0000000000B04000-memory.dmp

                      Filesize

                      244KB

                    • memory/2636-134-0x0000000000400000-0x0000000000856000-memory.dmp

                      Filesize

                      4.3MB

                    • memory/2636-135-0x0000000000400000-0x0000000000856000-memory.dmp

                      Filesize

                      4.3MB

                    • memory/2636-140-0x0000000000AC7000-0x0000000000B04000-memory.dmp

                      Filesize

                      244KB

                    • memory/2636-141-0x0000000000400000-0x0000000000856000-memory.dmp

                      Filesize

                      4.3MB