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Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 00:13

General

  • Target

    90b72f3d8cca27b7667668bba38ffb01edcc46536e44625c38d3e7b62ce5b337.exe

  • Size

    421KB

  • MD5

    737d441486470c721bb84fdb6d174863

  • SHA1

    02fcf8e828233330e31b5d697e1b470ae7c47e1b

  • SHA256

    90b72f3d8cca27b7667668bba38ffb01edcc46536e44625c38d3e7b62ce5b337

  • SHA512

    bafadabda297f975121823b33cc9a1132e21c609d1c133a69492934d8b75b60f52b5f4edc005de1525b39b0f0a95f2a65b0b56e8b6235f1afd483d85c5a2e640

  • SSDEEP

    6144:nkJgyXzgklgBJ1fvCkBViR0na98RWYsnc1/Iff0hW8VyHP6B:IgqlM1fvLViR0aWm4QRHi

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

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
  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • 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\90b72f3d8cca27b7667668bba38ffb01edcc46536e44625c38d3e7b62ce5b337.exe
    "C:\Users\Admin\AppData\Local\Temp\90b72f3d8cca27b7667668bba38ffb01edcc46536e44625c38d3e7b62ce5b337.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:6080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 748
      2⤵
      • Program crash
      PID:5036
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 740
      2⤵
      • Program crash
      PID:3124
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 796
      2⤵
      • Program crash
      PID:4640
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 804
      2⤵
      • Program crash
      PID:4252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 904
      2⤵
      • Program crash
      PID:5880
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 980
      2⤵
      • Program crash
      PID:5664
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 1444
      2⤵
      • Program crash
      PID:3200
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "90b72f3d8cca27b7667668bba38ffb01edcc46536e44625c38d3e7b62ce5b337.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\90b72f3d8cca27b7667668bba38ffb01edcc46536e44625c38d3e7b62ce5b337.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3624
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "90b72f3d8cca27b7667668bba38ffb01edcc46536e44625c38d3e7b62ce5b337.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:6060
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 6080 -s 1408
      2⤵
      • Program crash
      PID:3784
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 6080 -ip 6080
    1⤵
      PID:5476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 6080 -ip 6080
      1⤵
        PID:5764
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 6080 -ip 6080
        1⤵
          PID:5868
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 6080 -ip 6080
          1⤵
            PID:3616
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 6080 -ip 6080
            1⤵
              PID:1404
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 6080 -ip 6080
              1⤵
                PID:3524
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 6080 -ip 6080
                1⤵
                  PID:700
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 6080 -ip 6080
                  1⤵
                    PID:3500

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LI43KEDR\download[1].htm

                    Filesize

                    1B

                    MD5

                    cfcd208495d565ef66e7dff9f98764da

                    SHA1

                    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                    SHA256

                    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                    SHA512

                    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                  • memory/6080-1-0x00000000024F0000-0x00000000025F0000-memory.dmp

                    Filesize

                    1024KB

                  • memory/6080-2-0x00000000040A0000-0x00000000040CD000-memory.dmp

                    Filesize

                    180KB

                  • memory/6080-3-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/6080-8-0x00000000024F0000-0x00000000025F0000-memory.dmp

                    Filesize

                    1024KB

                  • memory/6080-11-0x00000000040A0000-0x00000000040CD000-memory.dmp

                    Filesize

                    180KB

                  • memory/6080-10-0x0000000000400000-0x0000000002483000-memory.dmp

                    Filesize

                    32.5MB

                  • memory/6080-12-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/6080-22-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/6080-21-0x0000000000400000-0x0000000002483000-memory.dmp

                    Filesize

                    32.5MB