Analysis

  • max time kernel
    90s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240419-en
  • resource tags

    arch:x64arch:x86image:win11-20240419-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    06-05-2024 21:55

General

  • Target

    a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe

  • Size

    307KB

  • MD5

    c7f146f503bdf42b9425ca93d07b3ac3

  • SHA1

    426281ac054b17ff1eb2b685fca6a0a9694f5141

  • SHA256

    a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474

  • SHA512

    2040ade8548f8ab856e67cea20c2e5cc4acb3239f82704f61f0508d3417bb20e91661cfe6c31114b32201c9ccabefffedd696639a39512ddc63491c67a144b45

  • SSDEEP

    6144:jGuSU/KGNi2hyN4fkq2e/icODSBM5O6wCl5lBTrkeT:CuSU/KuUN4fbHBmO6Vk2

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 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\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe
    "C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3292
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 772
      2⤵
      • Program crash
      PID:3412
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 792
      2⤵
      • Program crash
      PID:876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 792
      2⤵
      • Program crash
      PID:3164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 864
      2⤵
      • Program crash
      PID:2380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 976
      2⤵
      • Program crash
      PID:1680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1048
      2⤵
      • Program crash
      PID:1420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1124
      2⤵
      • Program crash
      PID:5100
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1436
      2⤵
      • Program crash
      PID:4856
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1940
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "a9b6f9304ec87a8d43b4e444b41ff2bbf403e72926fe72e431e6252e7d0d9474.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3292 -s 1388
      2⤵
      • Program crash
      PID:4956
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3292 -ip 3292
    1⤵
      PID:3576
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 3292 -ip 3292
      1⤵
        PID:616
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 3292 -ip 3292
        1⤵
          PID:2120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 3292 -ip 3292
          1⤵
            PID:1236
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 3292 -ip 3292
            1⤵
              PID:4368
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 3292 -ip 3292
              1⤵
                PID:1304
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3292 -ip 3292
                1⤵
                  PID:4408
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3292 -ip 3292
                  1⤵
                    PID:3932
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3292 -ip 3292
                    1⤵
                      PID:4156

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/3292-1-0x0000000001C10000-0x0000000001D10000-memory.dmp

                      Filesize

                      1024KB

                    • memory/3292-3-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/3292-2-0x0000000001BD0000-0x0000000001BFD000-memory.dmp

                      Filesize

                      180KB

                    • memory/3292-6-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/3292-5-0x0000000000400000-0x0000000001A16000-memory.dmp

                      Filesize

                      22.1MB