Analysis

  • max time kernel
    90s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240426-en
  • resource tags

    arch:x64arch:x86image:win11-20240426-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    21-05-2024 09:57

General

  • Target

    a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe.exe

  • Size

    220KB

  • MD5

    cd0fd465ea4fd58cf58413dda8114989

  • SHA1

    2ae37c14fa393dcbd68a57a49e3eecacf5be0b50

  • SHA256

    a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe

  • SHA512

    b05f3e05762a86aa672d3f4bed9dde6be4e9c946c02d18f470ee2542a1d5da1fa5eb4e6a33bffa8ba39e754e34cb53aa1accca8107aae218001c1a1110af371f

  • SSDEEP

    3072:Kj9Wt0dASUNee76IR+tXe/ZHwYjpu8lULeJQ7k7wE65/:2cgUNj2DtXe/ZQKu7k7W

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.64

Attributes
  • url_path

    /advdlc.php

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 8 IoCs
  • Kills process with taskkill 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe.exe
    "C:\Users\Admin\AppData\Local\Temp\a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 772
      2⤵
      • Program crash
      PID:4284
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 772
      2⤵
      • Program crash
      PID:4464
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 824
      2⤵
      • Program crash
      PID:2536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 804
      2⤵
      • Program crash
      PID:4176
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 976
      2⤵
      • Program crash
      PID:1524
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 1080
      2⤵
      • Program crash
      PID:4744
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 1436
      2⤵
      • Program crash
      PID:1812
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:280
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4304 -s 1536
      2⤵
      • Program crash
      PID:2756
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4304 -ip 4304
    1⤵
      PID:1708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4304 -ip 4304
      1⤵
        PID:3052
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 4304 -ip 4304
        1⤵
          PID:1748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4304 -ip 4304
          1⤵
            PID:3404
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 4304 -ip 4304
            1⤵
              PID:1264
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4304 -ip 4304
              1⤵
                PID:3924
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 4304 -ip 4304
                1⤵
                  PID:1444
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 4304 -ip 4304
                  1⤵
                    PID:4988

                  Network

                  MITRE ATT&CK Matrix ATT&CK v13

                  Replay Monitor

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                  Downloads

                  • memory/4304-2-0x00000000021F0000-0x000000000221D000-memory.dmp
                    Filesize

                    180KB

                  • memory/4304-1-0x0000000002250000-0x0000000002350000-memory.dmp
                    Filesize

                    1024KB

                  • memory/4304-3-0x0000000000400000-0x000000000042F000-memory.dmp
                    Filesize

                    188KB

                  • memory/4304-7-0x0000000000400000-0x000000000042F000-memory.dmp
                    Filesize

                    188KB

                  • memory/4304-6-0x00000000021F0000-0x000000000221D000-memory.dmp
                    Filesize

                    180KB

                  • memory/4304-5-0x0000000000400000-0x0000000001F82000-memory.dmp
                    Filesize

                    27.5MB