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Analysis

  • max time kernel
    137s
  • max time network
    156s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/09/2024, 14:24

General

  • Target

    1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe

  • Size

    285KB

  • MD5

    10acd65ec9c330729fece0c2599c00d0

  • SHA1

    4105ddce737ad9cccb4e4efa4a19c293ffbe1273

  • SHA256

    1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2

  • SHA512

    b0b1ba0afe2a2f70daecc2d278843f9259d60af9e7dae5f39ae90f6a97af4e77ff9a691fefc695edd4e3ed754ee46beb8f2500955e95de5febaa8fddb685e3b1

  • SSDEEP

    6144:4L/Cq04Ol9gzQFZzhyEELZdTXc3ITFbmG8uQTdJpHXd:Y/h04Ol9g6hXEL7c4TFbmvhdJRd

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\1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe
    "C:\Users\Admin\AppData\Local\Temp\1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 748
      2⤵
      • Program crash
      PID:4740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 740
      2⤵
      • Program crash
      PID:2868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 740
      2⤵
      • Program crash
      PID:428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 812
      2⤵
      • Program crash
      PID:2780
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 904
      2⤵
      • Program crash
      PID:4720
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 980
      2⤵
      • Program crash
      PID:2356
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1420
      2⤵
      • Program crash
      PID:4736
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4500
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "1625cfb597a6956694a20594cd25e382bb9c66a121978f9b48b8ad7d3e976cc2.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1208 -s 1480
      2⤵
      • Program crash
      PID:4144
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1208 -ip 1208
    1⤵
      PID:4584
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 1208 -ip 1208
      1⤵
        PID:4544
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 1208 -ip 1208
        1⤵
          PID:2468
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 1208 -ip 1208
          1⤵
            PID:1392
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 1208 -ip 1208
            1⤵
              PID:1084
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1208 -ip 1208
              1⤵
                PID:1616
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1208 -ip 1208
                1⤵
                  PID:4468
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 560 -p 1208 -ip 1208
                  1⤵
                    PID:3164

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\B9AWTLKS\download[1].htm

                    Filesize

                    1B

                    MD5

                    cfcd208495d565ef66e7dff9f98764da

                    SHA1

                    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                    SHA256

                    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                    SHA512

                    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                  • memory/1208-1-0x0000000002D40000-0x0000000002E40000-memory.dmp

                    Filesize

                    1024KB

                  • memory/1208-2-0x0000000002CD0000-0x0000000002CFD000-memory.dmp

                    Filesize

                    180KB

                  • memory/1208-3-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/1208-8-0x0000000002D40000-0x0000000002E40000-memory.dmp

                    Filesize

                    1024KB

                  • memory/1208-9-0x0000000000400000-0x0000000002B67000-memory.dmp

                    Filesize

                    39.4MB

                  • memory/1208-11-0x0000000002CD0000-0x0000000002CFD000-memory.dmp

                    Filesize

                    180KB

                  • memory/1208-12-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/1208-22-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/1208-21-0x0000000000400000-0x0000000002B67000-memory.dmp

                    Filesize

                    39.4MB