Analysis

  • max time kernel
    135s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-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.

  • 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 9 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⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 740
      2⤵
      • Program crash
      PID:4296
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 768
      2⤵
      • Program crash
      PID:3644
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 796
      2⤵
      • Program crash
      PID:4676
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 832
      2⤵
      • Program crash
      PID:3528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 904
      2⤵
      • Program crash
      PID:1096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 980
      2⤵
      • Program crash
      PID:2256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 904
      2⤵
      • Program crash
      PID:4492
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1352
      2⤵
      • Program crash
      PID:1076
    • 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:4616
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "8f66852578c88b98fc67cc45d2892c29f21650dab638e6a9a877de0286c7aa3c.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4756 -s 1444
      2⤵
      • Program crash
      PID:4328
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 4756 -ip 4756
    1⤵
      PID:536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 4756 -ip 4756
      1⤵
        PID:2500
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4756 -ip 4756
        1⤵
          PID:3680
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4756 -ip 4756
          1⤵
            PID:4600
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 4756 -ip 4756
            1⤵
              PID:3308
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 4756 -ip 4756
              1⤵
                PID:3700
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 4756 -ip 4756
                1⤵
                  PID:4004
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 4756 -ip 4756
                  1⤵
                    PID:3776
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4756 -ip 4756
                    1⤵
                      PID:3804

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/4756-3-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/4756-2-0x0000000002C60000-0x0000000002C8D000-memory.dmp

                      Filesize

                      180KB

                    • memory/4756-1-0x0000000002CC0000-0x0000000002DC0000-memory.dmp

                      Filesize

                      1024KB

                    • memory/4756-4-0x0000000000400000-0x0000000002AFD000-memory.dmp

                      Filesize

                      39.0MB

                    • memory/4756-7-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/4756-6-0x0000000000400000-0x0000000002AFD000-memory.dmp

                      Filesize

                      39.0MB