Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-09-2024 17:29

General

  • Target

    18460291ed1fa9ef08bf1c320284b803a8100a55bdaf010503bef68ea1a90906.exe

  • Size

    401KB

  • MD5

    68d04fcb05cea8a3ef0f4254b87780f3

  • SHA1

    98400b885fa0735a5ef23525b7c8ee53155dc431

  • SHA256

    18460291ed1fa9ef08bf1c320284b803a8100a55bdaf010503bef68ea1a90906

  • SHA512

    5ee7fa4b3923f54ce1903f4a99ba098315532cc8554c13a39edce4ab500b0c30aebc69d3cb970da702a508994de35a43ba5f4249fad142c93e3cbf74114662f9

  • SSDEEP

    6144:LB4l3Dfgof/FnMYj+IUrn67H+4mf/wAD3bLC4d6w:LB4l3Dfgof1Uw2f/wef

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\18460291ed1fa9ef08bf1c320284b803a8100a55bdaf010503bef68ea1a90906.exe
    "C:\Users\Admin\AppData\Local\Temp\18460291ed1fa9ef08bf1c320284b803a8100a55bdaf010503bef68ea1a90906.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2596
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 748
      2⤵
      • Program crash
      PID:3256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 740
      2⤵
      • Program crash
      PID:4980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 792
      2⤵
      • Program crash
      PID:4732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 844
      2⤵
      • Program crash
      PID:2476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 904
      2⤵
      • Program crash
      PID:2808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 1004
      2⤵
      • Program crash
      PID:324
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 1136
      2⤵
      • Program crash
      PID:1440
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2596 -s 1332
      2⤵
      • Program crash
      PID:428
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "18460291ed1fa9ef08bf1c320284b803a8100a55bdaf010503bef68ea1a90906.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\18460291ed1fa9ef08bf1c320284b803a8100a55bdaf010503bef68ea1a90906.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:116
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "18460291ed1fa9ef08bf1c320284b803a8100a55bdaf010503bef68ea1a90906.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4992
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2596 -ip 2596
    1⤵
      PID:1236
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2596 -ip 2596
      1⤵
        PID:2276
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2596 -ip 2596
        1⤵
          PID:2652
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2596 -ip 2596
          1⤵
            PID:4348
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2596 -ip 2596
            1⤵
              PID:2064
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2596 -ip 2596
              1⤵
                PID:4072
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2596 -ip 2596
                1⤵
                  PID:5072
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2596 -ip 2596
                  1⤵
                    PID:4176

                  Network

                  MITRE ATT&CK Enterprise v15

                  Replay Monitor

                  Loading Replay Monitor...

                  Downloads

                  • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\YYI0S376\download[1].htm

                    Filesize

                    1B

                    MD5

                    cfcd208495d565ef66e7dff9f98764da

                    SHA1

                    b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                    SHA256

                    5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                    SHA512

                    31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                  • memory/2596-1-0x0000000000710000-0x0000000000810000-memory.dmp

                    Filesize

                    1024KB

                  • memory/2596-2-0x00000000006A0000-0x00000000006CD000-memory.dmp

                    Filesize

                    180KB

                  • memory/2596-3-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/2596-7-0x0000000000710000-0x0000000000810000-memory.dmp

                    Filesize

                    1024KB

                  • memory/2596-10-0x00000000006A0000-0x00000000006CD000-memory.dmp

                    Filesize

                    180KB

                  • memory/2596-9-0x0000000000400000-0x00000000005F8000-memory.dmp

                    Filesize

                    2.0MB

                  • memory/2596-11-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB

                  • memory/2596-22-0x0000000000400000-0x00000000005F8000-memory.dmp

                    Filesize

                    2.0MB

                  • memory/2596-23-0x0000000000400000-0x000000000042F000-memory.dmp

                    Filesize

                    188KB