Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-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.

  • 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
  • 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 740
      2⤵
      • Program crash
      PID:2892
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 784
      2⤵
      • Program crash
      PID:336
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 784
      2⤵
      • Program crash
      PID:1564
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 740
      2⤵
      • Program crash
      PID:5112
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 904
      2⤵
      • Program crash
      PID:3504
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 988
      2⤵
      • Program crash
      PID:5096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 1340
      2⤵
      • Program crash
      PID:2988
    • 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:1492
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a5f4270eed2a341acb58267cfaca48cfd25d5d5921b6f4d7e856ef4b5fd85dbe.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:5024
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2492 -s 1368
      2⤵
      • Program crash
      PID:2980
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2492 -ip 2492
    1⤵
      PID:3388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2492 -ip 2492
      1⤵
        PID:2324
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 464 -p 2492 -ip 2492
        1⤵
          PID:516
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2492 -ip 2492
          1⤵
            PID:1860
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2492 -ip 2492
            1⤵
              PID:2436
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2492 -ip 2492
              1⤵
                PID:1828
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2492 -ip 2492
                1⤵
                  PID:2076
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2492 -ip 2492
                  1⤵
                    PID:2856

                  Network

                  MITRE ATT&CK Matrix ATT&CK v13

                  Discovery

                  Query Registry

                  1
                  T1012

                  System Information Discovery

                  2
                  T1082

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/2492-1-0x0000000002110000-0x0000000002210000-memory.dmp
                    Filesize

                    1024KB

                  • memory/2492-2-0x0000000003BB0000-0x0000000003BDD000-memory.dmp
                    Filesize

                    180KB

                  • memory/2492-3-0x0000000000400000-0x000000000042F000-memory.dmp
                    Filesize

                    188KB

                  • memory/2492-7-0x0000000000400000-0x000000000042F000-memory.dmp
                    Filesize

                    188KB

                  • memory/2492-6-0x0000000003BB0000-0x0000000003BDD000-memory.dmp
                    Filesize

                    180KB

                  • memory/2492-5-0x0000000000400000-0x0000000001F82000-memory.dmp
                    Filesize

                    27.5MB