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Analysis

  • max time kernel
    101s
  • max time network
    114s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    09/09/2024, 23:53

General

  • Target

    89d8c202b193c0876b5972ec562f5d99aa451ed8e1fd7d63eda75b6ccc23f28d.exe

  • Size

    388KB

  • MD5

    9548719d7d1b65914203c6e6646b963f

  • SHA1

    efd5a68c55cb7f35150934a684446eefca3b32e4

  • SHA256

    89d8c202b193c0876b5972ec562f5d99aa451ed8e1fd7d63eda75b6ccc23f28d

  • SHA512

    7756a2c28670a796eac5fb8bb84bda5e7a75c87afd8740b9f82390d4d086dd2147ce59bac161dfe3a573b0bfd1cd5dfb83b2fdcc482b0299eab4b650448662a0

  • SSDEEP

    6144:oe3O2plnitPBRTSOim1C++G539t8FphnakM9Bf:ouFzitPHTSOd1C+l6ha

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
  • 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\89d8c202b193c0876b5972ec562f5d99aa451ed8e1fd7d63eda75b6ccc23f28d.exe
    "C:\Users\Admin\AppData\Local\Temp\89d8c202b193c0876b5972ec562f5d99aa451ed8e1fd7d63eda75b6ccc23f28d.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3120
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 480
      2⤵
      • Program crash
      PID:2020
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 796
      2⤵
      • Program crash
      PID:684
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 816
      2⤵
      • Program crash
      PID:1632
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 848
      2⤵
      • Program crash
      PID:3920
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 868
      2⤵
      • Program crash
      PID:4752
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 976
      2⤵
      • Program crash
      PID:536
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 1084
      2⤵
      • Program crash
      PID:3448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 1132
      2⤵
      • Program crash
      PID:1376
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 1664
      2⤵
      • Program crash
      PID:1444
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "89d8c202b193c0876b5972ec562f5d99aa451ed8e1fd7d63eda75b6ccc23f28d.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\89d8c202b193c0876b5972ec562f5d99aa451ed8e1fd7d63eda75b6ccc23f28d.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2184
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "89d8c202b193c0876b5972ec562f5d99aa451ed8e1fd7d63eda75b6ccc23f28d.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2248
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3120 -s 1768
      2⤵
      • Program crash
      PID:1004
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3120 -ip 3120
    1⤵
      PID:3156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 3120 -ip 3120
      1⤵
        PID:2524
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3120 -ip 3120
        1⤵
          PID:4612
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3120 -ip 3120
          1⤵
            PID:4824
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 3120 -ip 3120
            1⤵
              PID:4812
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3120 -ip 3120
              1⤵
                PID:2312
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 3120 -ip 3120
                1⤵
                  PID:1036
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3120 -ip 3120
                  1⤵
                    PID:3468
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3120 -ip 3120
                    1⤵
                      PID:2728
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3120 -ip 3120
                      1⤵
                        PID:4960

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\V1S8HV7P\download[1].htm

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/3120-1-0x0000000002650000-0x0000000002750000-memory.dmp

                        Filesize

                        1024KB

                      • memory/3120-2-0x0000000004300000-0x000000000433B000-memory.dmp

                        Filesize

                        236KB

                      • memory/3120-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/3120-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/3120-12-0x0000000002650000-0x0000000002750000-memory.dmp

                        Filesize

                        1024KB

                      • memory/3120-14-0x0000000004300000-0x000000000433B000-memory.dmp

                        Filesize

                        236KB

                      • memory/3120-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/3120-16-0x0000000000400000-0x000000000247A000-memory.dmp

                        Filesize

                        32.5MB

                      • memory/3120-27-0x0000000000400000-0x000000000247A000-memory.dmp

                        Filesize

                        32.5MB

                      • memory/3120-36-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/3120-35-0x0000000000400000-0x000000000247A000-memory.dmp

                        Filesize

                        32.5MB