Analysis

  • max time kernel
    90s
  • max time network
    92s
  • 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 19:18

General

  • Target

    b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe

  • Size

    256KB

  • MD5

    55adf26a3761a44601a7eab7f2b8f5d8

  • SHA1

    d44f81ff5704fed46846e092e6cd5d4fc0ce79cb

  • SHA256

    b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095

  • SHA512

    d005549dc1ab8a94cef596cc6a2381fa5a10b67fca0efb4768279aba45f0e06e82d7eab2bd6241e711caa1dab8025cd55dd7182eb4e0ae53b14ae786d320b3c9

  • SSDEEP

    3072:/Z7rzclUOJOmG6WFFYty4OpxvAvl6sSjvqKtgIyLoL/4mZT45Nwr6h:RnzgUEO16WeOLQ+jSKtgIzR/6h

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 10 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\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe
    "C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 772
      2⤵
      • Program crash
      PID:796
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 772
      2⤵
      • Program crash
      PID:5092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 824
      2⤵
      • Program crash
      PID:3904
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 812
      2⤵
      • Program crash
      PID:2720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 976
      2⤵
      • Program crash
      PID:3140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 984
      2⤵
      • Program crash
      PID:2856
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 1448
      2⤵
      • Program crash
      PID:4800
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1564
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "b332c957510b306c89c5cd55e2496c644a0b3976c8630d918bb6859fb9062095.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 1356
      2⤵
      • Program crash
      PID:2436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 1404
      2⤵
      • Program crash
      PID:2748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4080 -s 1496
      2⤵
      • Program crash
      PID:3112
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4080 -ip 4080
    1⤵
      PID:2316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4080 -ip 4080
      1⤵
        PID:4552
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 4080 -ip 4080
        1⤵
          PID:4748
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4080 -ip 4080
          1⤵
            PID:4132
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4080 -ip 4080
            1⤵
              PID:4100
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4080 -ip 4080
              1⤵
                PID:4464
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 4080 -ip 4080
                1⤵
                  PID:2832
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4080 -ip 4080
                  1⤵
                    PID:2176
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 4080 -ip 4080
                    1⤵
                      PID:2248
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4080 -ip 4080
                      1⤵
                        PID:2444

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • memory/4080-3-0x0000000000400000-0x000000000042F000-memory.dmp

                        Filesize

                        188KB

                      • memory/4080-2-0x0000000002D80000-0x0000000002DAD000-memory.dmp

                        Filesize

                        180KB

                      • memory/4080-1-0x0000000002E30000-0x0000000002F30000-memory.dmp

                        Filesize

                        1024KB

                      • memory/4080-6-0x0000000000400000-0x000000000042F000-memory.dmp

                        Filesize

                        188KB

                      • memory/4080-5-0x0000000000400000-0x0000000002AFD000-memory.dmp

                        Filesize

                        39.0MB