Analysis

  • max time kernel
    90s
  • max time network
    94s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    05-09-2024 20:48

General

  • Target

    5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe

  • Size

    400KB

  • MD5

    423962a98abc4f72ce92334104e829b7

  • SHA1

    2016d38b8b2231fddb03fd9e17fb291f05247d77

  • SHA256

    5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530

  • SHA512

    c3963fd5e7948da7c5e28a76879f6f113cdef07c6c0abde873b2466dee35c2adc5fa7be2eda650c0d289b28444651d64767d3c5c09d44525b330e1030f08c603

  • SSDEEP

    6144:O0MVHdfDeX7V9TFpBx8KSX3w/fdobFq5cyX7yb/zgOEdNw:O0MVHdfiX7vrBxVWbEY/i

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\5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe
    "C:\Users\Admin\AppData\Local\Temp\5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 476
      2⤵
      • Program crash
      PID:3852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 796
      2⤵
      • Program crash
      PID:4012
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 836
      2⤵
      • Program crash
      PID:1388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 856
      2⤵
      • Program crash
      PID:4568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 888
      2⤵
      • Program crash
      PID:3820
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 976
      2⤵
      • Program crash
      PID:2372
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 1104
      2⤵
      • Program crash
      PID:2952
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 1236
      2⤵
      • Program crash
      PID:1140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 1656
      2⤵
      • Program crash
      PID:4368
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:2720
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5a6a47978b8c46c9e142c82f59f9989c9fde81960c446eb144da35adcc36b530.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4304
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3748 -s 488
      2⤵
      • Program crash
      PID:1904
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3748 -ip 3748
    1⤵
      PID:948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 3748 -ip 3748
      1⤵
        PID:1572
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 3748 -ip 3748
        1⤵
          PID:3876
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3748 -ip 3748
          1⤵
            PID:4888
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 3748 -ip 3748
            1⤵
              PID:420
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 3748 -ip 3748
              1⤵
                PID:3836
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3748 -ip 3748
                1⤵
                  PID:380
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3748 -ip 3748
                  1⤵
                    PID:976
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 3748 -ip 3748
                    1⤵
                      PID:3080
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3748 -ip 3748
                      1⤵
                        PID:2332

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\01ME7Y5O\download[1].htm

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/3748-1-0x0000000002740000-0x0000000002840000-memory.dmp

                        Filesize

                        1024KB

                      • memory/3748-2-0x00000000042E0000-0x000000000431B000-memory.dmp

                        Filesize

                        236KB

                      • memory/3748-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/3748-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/3748-13-0x0000000002740000-0x0000000002840000-memory.dmp

                        Filesize

                        1024KB

                      • memory/3748-15-0x00000000042E0000-0x000000000431B000-memory.dmp

                        Filesize

                        236KB

                      • memory/3748-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/3748-16-0x0000000000400000-0x000000000247C000-memory.dmp

                        Filesize

                        32.5MB

                      • memory/3748-34-0x0000000000400000-0x000000000247C000-memory.dmp

                        Filesize

                        32.5MB

                      • memory/3748-36-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/3748-35-0x0000000000400000-0x000000000247C000-memory.dmp

                        Filesize

                        32.5MB