Analysis

  • max time kernel
    147s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    07-05-2024 10:29

General

  • Target

    8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c.exe

  • Size

    255KB

  • MD5

    3b9ea4cda95c0b832ec39ba33525fe31

  • SHA1

    3e2ee690c2d776c4781206aefa07cfe2733fe057

  • SHA256

    8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c

  • SHA512

    c8a76ac9add73ae0ef254b7c66c4201eb22fdb62a6f8a7acd36e1a400543342a6c5136abe1fa42e57f8b29af5442528a2983f9616961d2d3734420af48eee155

  • SSDEEP

    3072:La0IQK7LrwRLjkyURA32415I8fWYzw6bmkm/YbBWK1005RA20q2m:zID76kybm2dfxDbZm/YVWL20

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\8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c.exe
    "C:\Users\Admin\AppData\Local\Temp\8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 772
      2⤵
      • Program crash
      PID:476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 792
      2⤵
      • Program crash
      PID:3764
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 772
      2⤵
      • Program crash
      PID:2732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 864
      2⤵
      • Program crash
      PID:2616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 976
      2⤵
      • Program crash
      PID:1096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 1080
      2⤵
      • Program crash
      PID:4936
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 1436
      2⤵
      • Program crash
      PID:2848
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2444
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3364 -s 1536
      2⤵
      • Program crash
      PID:3736
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3364 -ip 3364
    1⤵
      PID:2248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3364 -ip 3364
      1⤵
        PID:1852
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 3364 -ip 3364
        1⤵
          PID:3000
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3364 -ip 3364
          1⤵
            PID:3784
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3364 -ip 3364
            1⤵
              PID:5016
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 3364 -ip 3364
              1⤵
                PID:936
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3364 -ip 3364
                1⤵
                  PID:3612
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3364 -ip 3364
                  1⤵
                    PID:1044

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • memory/3364-2-0x0000000002C10000-0x0000000002C3D000-memory.dmp

                    Filesize

                    180KB

                  • memory/3364-1-0x0000000002DF0000-0x0000000002EF0000-memory.dmp

                    Filesize

                    1024KB

                  • memory/3364-3-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/3364-6-0x0000000002C10000-0x0000000002C3D000-memory.dmp

                    Filesize

                    180KB

                  • memory/3364-7-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/3364-5-0x0000000000400000-0x0000000002AFD000-memory.dmp

                    Filesize

                    39.0MB