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Analysis

  • max time kernel
    95s
  • max time network
    102s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2024, 12:57

General

  • Target

    855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe

  • Size

    432KB

  • MD5

    13b99c08710adb2280ce0cb40a06344a

  • SHA1

    623836ea5867ce1b6198929c57a77b08ed0b1ce9

  • SHA256

    855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1

  • SHA512

    d82fb528bdf1aa57440299a78c34ecc80984f050da4131cf14a40e2d66b679df7ee60265163c9925e00d057edc4fa9356bd1a817a708110e446e1a6dde2aa07f

  • SSDEEP

    6144:j1TaPOEzf46bCPVvFvstUQsUjmFTjNEJpbfCtX8jLOK+lsO:BaGEzQ6bCPtKtlZhDbKtMub

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

45.91.200.135

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Downloads MZ/PE file
  • 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 10 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\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe
    "C:\Users\Admin\AppData\Local\Temp\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2308
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 444
      2⤵
      • Program crash
      PID:4256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 512
      2⤵
      • Program crash
      PID:5004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 748
      2⤵
      • Program crash
      PID:868
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 756
      2⤵
      • Program crash
      PID:4304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 772
      2⤵
      • Program crash
      PID:1612
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 844
      2⤵
      • Program crash
      PID:2840
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 912
      2⤵
      • Program crash
      PID:2680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 988
      2⤵
      • Program crash
      PID:3768
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 1612
      2⤵
      • Program crash
      PID:3148
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4900
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "855178b8283aa8176fa145f7ec4526e93a93d16d918e8fb4498b9cc772b0adf1.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1528
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2308 -s 1300
      2⤵
      • Program crash
      PID:5024
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 432 -p 2308 -ip 2308
    1⤵
      PID:1120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2308 -ip 2308
      1⤵
        PID:3464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2308 -ip 2308
        1⤵
          PID:3996
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2308 -ip 2308
          1⤵
            PID:2444
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2308 -ip 2308
            1⤵
              PID:2588
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2308 -ip 2308
              1⤵
                PID:2056
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2308 -ip 2308
                1⤵
                  PID:4008
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2308 -ip 2308
                  1⤵
                    PID:4612
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2308 -ip 2308
                    1⤵
                      PID:2756
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2308 -ip 2308
                      1⤵
                        PID:4216

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\H9MX5QVK\download[1].htm

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/2308-1-0x0000000002720000-0x0000000002820000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2308-2-0x00000000040C0000-0x00000000040FB000-memory.dmp

                        Filesize

                        236KB

                      • memory/2308-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2308-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/2308-13-0x0000000002720000-0x0000000002820000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2308-16-0x00000000040C0000-0x00000000040FB000-memory.dmp

                        Filesize

                        236KB

                      • memory/2308-15-0x0000000000400000-0x0000000002486000-memory.dmp

                        Filesize

                        32.5MB

                      • memory/2308-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2308-29-0x0000000000400000-0x0000000002486000-memory.dmp

                        Filesize

                        32.5MB

                      • memory/2308-36-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2308-35-0x0000000000400000-0x0000000002486000-memory.dmp

                        Filesize

                        32.5MB