Analysis

  • max time kernel
    91s
  • 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
    09-09-2024 09:35

General

  • Target

    6581bbef0a6cf8eb66596fb79a4b35dece2e102812e42da6b6de2b9d0622aad5.exe

  • Size

    383KB

  • MD5

    cbbc463765d83301e3d9c45f8acea140

  • SHA1

    d6759a1abc74f2b2f754c060797ae57928689161

  • SHA256

    6581bbef0a6cf8eb66596fb79a4b35dece2e102812e42da6b6de2b9d0622aad5

  • SHA512

    862b51b2a222c90134f83035c6fbd0b7d4bbc666607faf285eb68bb94512a4dc404202135ac01f96f359f4626621ec5b123f7b4fba0b07e2cf5deccd0e7cc9f2

  • SSDEEP

    6144:LEO9keKeQrw6P+cdqWoAfA/OyGrUH9i+TE45kmf:L2ed+we+cNS/999l5

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\6581bbef0a6cf8eb66596fb79a4b35dece2e102812e42da6b6de2b9d0622aad5.exe
    "C:\Users\Admin\AppData\Local\Temp\6581bbef0a6cf8eb66596fb79a4b35dece2e102812e42da6b6de2b9d0622aad5.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2748
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 480
      2⤵
      • Program crash
      PID:3140
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 796
      2⤵
      • Program crash
      PID:1900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 816
      2⤵
      • Program crash
      PID:1288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 796
      2⤵
      • Program crash
      PID:660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 888
      2⤵
      • Program crash
      PID:2096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 976
      2⤵
      • Program crash
      PID:4420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 1104
      2⤵
      • Program crash
      PID:4252
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 1124
      2⤵
      • Program crash
      PID:1924
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 1664
      2⤵
      • Program crash
      PID:3300
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "6581bbef0a6cf8eb66596fb79a4b35dece2e102812e42da6b6de2b9d0622aad5.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\6581bbef0a6cf8eb66596fb79a4b35dece2e102812e42da6b6de2b9d0622aad5.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4548
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "6581bbef0a6cf8eb66596fb79a4b35dece2e102812e42da6b6de2b9d0622aad5.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2748 -s 492
      2⤵
      • Program crash
      PID:572
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2748 -ip 2748
    1⤵
      PID:2900
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 2748 -ip 2748
      1⤵
        PID:4436
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2748 -ip 2748
        1⤵
          PID:2444
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 492 -p 2748 -ip 2748
          1⤵
            PID:2196
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2748 -ip 2748
            1⤵
              PID:2860
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 2748 -ip 2748
              1⤵
                PID:3340
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2748 -ip 2748
                1⤵
                  PID:1092
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 2748 -ip 2748
                  1⤵
                    PID:1416
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2748 -ip 2748
                    1⤵
                      PID:2456
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2748 -ip 2748
                      1⤵
                        PID:3024

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\ZQ9FC15F\download[1].htm

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/2748-1-0x0000000002610000-0x0000000002710000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2748-2-0x0000000004180000-0x00000000041BB000-memory.dmp

                        Filesize

                        236KB

                      • memory/2748-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2748-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/2748-13-0x0000000002610000-0x0000000002710000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2748-15-0x0000000004180000-0x00000000041BB000-memory.dmp

                        Filesize

                        236KB

                      • memory/2748-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2748-16-0x0000000000400000-0x0000000002478000-memory.dmp

                        Filesize

                        32.5MB

                      • memory/2748-35-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2748-34-0x0000000000400000-0x0000000002478000-memory.dmp

                        Filesize

                        32.5MB