Analysis

  • max time kernel
    145s
  • max time network
    168s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2024, 13:34

General

  • Target

    99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe

  • Size

    311KB

  • MD5

    072808f550a495b45920fa2f0f239d3e

  • SHA1

    72c07f574b55f5da5d8bea8d1c87e024e5925f15

  • SHA256

    99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9

  • SHA512

    1cbb966a3216c8968fbd58ebecdd2d55dec2567cd8d89857acd618c0d6c128c61d5edb93e7518766ea3166c8e47ecb6920360c06d37e0d1de825dd2fb16445f7

  • SSDEEP

    3072:WOhBfC8R+bIlGXY+XKdK1QUdLUUDO3bvd+A+kYiTmxtViZmmJVjkKbzGbIXyrN9H:L8pdoxiskxe4KW+qN9Xi

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.115

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\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe
    "C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 748
      2⤵
      • Program crash
      PID:4952
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 760
      2⤵
      • Program crash
      PID:1348
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 784
      2⤵
      • Program crash
      PID:1736
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 792
      2⤵
      • Program crash
      PID:3500
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 812
      2⤵
      • Program crash
      PID:4828
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 936
      2⤵
      • Program crash
      PID:3380
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 1004
      2⤵
      • Program crash
      PID:2544
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 1352
      2⤵
      • Program crash
      PID:1360
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:852
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "99d42ee02b2d43170796ccb36e5f05318a713fbbb2b48067024a555a58a57dc9.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1708 -s 1448
      2⤵
      • Program crash
      PID:3396
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 1708 -ip 1708
    1⤵
      PID:1316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 1708 -ip 1708
      1⤵
        PID:3420
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 1708 -ip 1708
        1⤵
          PID:5052
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 1708 -ip 1708
          1⤵
            PID:4944
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 1708 -ip 1708
            1⤵
              PID:3788
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1708 -ip 1708
              1⤵
                PID:3724
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 1708 -ip 1708
                1⤵
                  PID:4644
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1708 -ip 1708
                  1⤵
                    PID:1884
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 576 -p 1708 -ip 1708
                    1⤵
                      PID:3968

                    Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • memory/1708-1-0x0000000000DD0000-0x0000000000ED0000-memory.dmp

                            Filesize

                            1024KB

                          • memory/1708-2-0x0000000000DA0000-0x0000000000DCD000-memory.dmp

                            Filesize

                            180KB

                          • memory/1708-3-0x0000000000400000-0x0000000000AF7000-memory.dmp

                            Filesize

                            7.0MB

                          • memory/1708-6-0x0000000000DD0000-0x0000000000ED0000-memory.dmp

                            Filesize

                            1024KB

                          • memory/1708-7-0x0000000000DA0000-0x0000000000DCD000-memory.dmp

                            Filesize

                            180KB

                          • memory/1708-11-0x0000000000400000-0x0000000000AF7000-memory.dmp

                            Filesize

                            7.0MB