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Analysis

  • max time kernel
    95s
  • max time network
    144s
  • 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, 15:46

General

  • Target

    5b2b098fbc0d3c1a4173909e67e24ff7b7bc6855a5350322bd9b8e1887d773f7.exe

  • Size

    315KB

  • MD5

    f78aa5352c1ddaaca5a61b71e12cc820

  • SHA1

    fe1c47aafec8a6be375ffe7570888519cf26e847

  • SHA256

    5b2b098fbc0d3c1a4173909e67e24ff7b7bc6855a5350322bd9b8e1887d773f7

  • SHA512

    d652e2c030a7d9dbd0b384526054f0508d31b2d3b7edc21cf364e93a7c251def4dd75aa371070365eb6e113ea3c7ad35de129952972f2544f70614d1bb38ad54

  • SSDEEP

    6144:kEbAXzyZB2+jJjdgoXcK0HmS5vz4uQTdJXZ:/bWzyZB22B/Qvz4hdJXZ

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\5b2b098fbc0d3c1a4173909e67e24ff7b7bc6855a5350322bd9b8e1887d773f7.exe
    "C:\Users\Admin\AppData\Local\Temp\5b2b098fbc0d3c1a4173909e67e24ff7b7bc6855a5350322bd9b8e1887d773f7.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 456
      2⤵
      • Program crash
      PID:2232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 772
      2⤵
      • Program crash
      PID:4996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 808
      2⤵
      • Program crash
      PID:2108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 848
      2⤵
      • Program crash
      PID:1568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 876
      2⤵
      • Program crash
      PID:2428
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 928
      2⤵
      • Program crash
      PID:2608
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 936
      2⤵
      • Program crash
      PID:4860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 1144
      2⤵
      • Program crash
      PID:1068
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 1560
      2⤵
      • Program crash
      PID:4260
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5b2b098fbc0d3c1a4173909e67e24ff7b7bc6855a5350322bd9b8e1887d773f7.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5b2b098fbc0d3c1a4173909e67e24ff7b7bc6855a5350322bd9b8e1887d773f7.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2220
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5b2b098fbc0d3c1a4173909e67e24ff7b7bc6855a5350322bd9b8e1887d773f7.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 716 -s 512
      2⤵
      • Program crash
      PID:1996
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 716 -ip 716
    1⤵
      PID:4812
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 716 -ip 716
      1⤵
        PID:4224
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 716 -ip 716
        1⤵
          PID:3236
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 716 -ip 716
          1⤵
            PID:4156
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 716 -ip 716
            1⤵
              PID:4804
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 716 -ip 716
              1⤵
                PID:428
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 716 -ip 716
                1⤵
                  PID:3828
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 716 -ip 716
                  1⤵
                    PID:1380
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 716 -ip 716
                    1⤵
                      PID:1680
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 716 -ip 716
                      1⤵
                        PID:2688

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

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                      Downloads

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

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/716-2-0x00000000047D0000-0x000000000480B000-memory.dmp

                        Filesize

                        236KB

                      • memory/716-1-0x0000000002BD0000-0x0000000002CD0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/716-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/716-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/716-12-0x0000000002BD0000-0x0000000002CD0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/716-14-0x0000000000400000-0x0000000002B6F000-memory.dmp

                        Filesize

                        39.4MB

                      • memory/716-15-0x00000000047D0000-0x000000000480B000-memory.dmp

                        Filesize

                        236KB

                      • memory/716-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/716-30-0x0000000000400000-0x0000000002B6F000-memory.dmp

                        Filesize

                        39.4MB

                      • memory/716-39-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/716-38-0x0000000000400000-0x0000000002B6F000-memory.dmp

                        Filesize

                        39.4MB