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Analysis

  • max time kernel
    91s
  • max time network
    93s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240802-en
  • resource tags

    arch:x64arch:x86image:win11-20240802-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    11/09/2024, 08:30

General

  • Target

    eb973f49b1db6de54471ee34d668e4f1fb079b856a311284abe41d115e2c85ad.exe

  • Size

    431KB

  • MD5

    bb228b1ce76ee8fc38f2085e37f28236

  • SHA1

    d3b5540cbdb18215178b4bf1042d5f5d41af1ee1

  • SHA256

    eb973f49b1db6de54471ee34d668e4f1fb079b856a311284abe41d115e2c85ad

  • SHA512

    d444b4f95f54ad549aa739f11b7a4e8eca8663db573a6e5304c60f223fe70bad2b61cc6964351a53e7373548c1ff5b4ed10dec1d705fef3a4d8f70a152ebeb20

  • SSDEEP

    6144:XNXYiQbRBVW4qzPUgwwkKPvetP+ZsRBFufhPklb80PfAOK+l8O:RY1bZqzRwwkKOhUpKb8Ktb

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 11 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\eb973f49b1db6de54471ee34d668e4f1fb079b856a311284abe41d115e2c85ad.exe
    "C:\Users\Admin\AppData\Local\Temp\eb973f49b1db6de54471ee34d668e4f1fb079b856a311284abe41d115e2c85ad.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 476
      2⤵
      • Program crash
      PID:1004
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 500
      2⤵
      • Program crash
      PID:5096
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 788
      2⤵
      • Program crash
      PID:3772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 800
      2⤵
      • Program crash
      PID:2996
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 788
      2⤵
      • Program crash
      PID:1776
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 872
      2⤵
      • Program crash
      PID:4200
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 960
      2⤵
      • Program crash
      PID:4732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 964
      2⤵
      • Program crash
      PID:228
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 1312
      2⤵
      • Program crash
      PID:1388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 1648
      2⤵
      • Program crash
      PID:1556
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "eb973f49b1db6de54471ee34d668e4f1fb079b856a311284abe41d115e2c85ad.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\eb973f49b1db6de54471ee34d668e4f1fb079b856a311284abe41d115e2c85ad.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1068
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "eb973f49b1db6de54471ee34d668e4f1fb079b856a311284abe41d115e2c85ad.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:1316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4728 -s 1720
      2⤵
      • Program crash
      PID:3164
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4728 -ip 4728
    1⤵
      PID:2376
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4728 -ip 4728
      1⤵
        PID:2840
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 4728 -ip 4728
        1⤵
          PID:4848
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 4728 -ip 4728
          1⤵
            PID:4080
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 4728 -ip 4728
            1⤵
              PID:1884
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4728 -ip 4728
              1⤵
                PID:4128
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 4728 -ip 4728
                1⤵
                  PID:4688
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 4728 -ip 4728
                  1⤵
                    PID:3912
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 4728 -ip 4728
                    1⤵
                      PID:3616
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 592 -p 4728 -ip 4728
                      1⤵
                        PID:4976
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4728 -ip 4728
                        1⤵
                          PID:4548

                        Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\LQOABF8X\download[1].htm

                          Filesize

                          1B

                          MD5

                          cfcd208495d565ef66e7dff9f98764da

                          SHA1

                          b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                          SHA256

                          5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                          SHA512

                          31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                        • memory/4728-1-0x0000000002640000-0x0000000002740000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4728-2-0x00000000042D0000-0x000000000430B000-memory.dmp

                          Filesize

                          236KB

                        • memory/4728-3-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/4728-9-0x0000000010000000-0x000000001001C000-memory.dmp

                          Filesize

                          112KB

                        • memory/4728-13-0x0000000002640000-0x0000000002740000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4728-15-0x00000000042D0000-0x000000000430B000-memory.dmp

                          Filesize

                          236KB

                        • memory/4728-17-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/4728-16-0x0000000000400000-0x0000000002485000-memory.dmp

                          Filesize

                          32.5MB

                        • memory/4728-29-0x0000000000400000-0x0000000002485000-memory.dmp

                          Filesize

                          32.5MB

                        • memory/4728-36-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/4728-35-0x0000000000400000-0x0000000002485000-memory.dmp

                          Filesize

                          32.5MB