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Analysis

  • max time kernel
    91s
  • max time network
    95s
  • 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, 10:37

General

  • Target

    5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe

  • Size

    431KB

  • MD5

    4e2ec0d83765c97981b5bc455cf3a846

  • SHA1

    2df312fae2e5283e4ff921ade27c635b1ec02be5

  • SHA256

    5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35

  • SHA512

    4d15d34798a905e9a870e502c1a78fef00a2606042a8e3100b81345be6d9b95bec61db9a39ba56df6977a14749769938b6ae94f12bc2a801747a215dc57a8fec

  • SSDEEP

    6144:wVe6a7Y5I8+Y+uPVE7JrMX3YurjXMIa/Q4bzM46lAqLT/mO+pUo4YDeOK+l8O:x6CYAYNPVBY88IJ4brJWT/y+o4Y/b

Malware Config

Extracted

Family

gcleaner

C2

80.66.75.114

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Program crash 9 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\5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe
    "C:\Users\Admin\AppData\Local\Temp\5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 772
      2⤵
      • Program crash
      PID:3948
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 792
      2⤵
      • Program crash
      PID:772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 824
      2⤵
      • Program crash
      PID:3588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 884
      2⤵
      • Program crash
      PID:912
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 952
      2⤵
      • Program crash
      PID:1540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 960
      2⤵
      • Program crash
      PID:1388
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1064
      2⤵
      • Program crash
      PID:2652
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1548
      2⤵
      • Program crash
      PID:4844
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:5016
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "5882a88112a9dcef9b82dfc320172e4e269d22cd63f50470bbf7759ec9dadc35.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4872
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2448 -s 1640
      2⤵
      • Program crash
      PID:2308
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2448 -ip 2448
    1⤵
      PID:4932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 488 -p 2448 -ip 2448
      1⤵
        PID:3532
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2448 -ip 2448
        1⤵
          PID:2412
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2448 -ip 2448
          1⤵
            PID:2460
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2448 -ip 2448
            1⤵
              PID:3184
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2448 -ip 2448
              1⤵
                PID:4632
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 540 -p 2448 -ip 2448
                1⤵
                  PID:2024
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2448 -ip 2448
                  1⤵
                    PID:1436
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2448 -ip 2448
                    1⤵
                      PID:4436

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

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                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\12KX1S8M\download[1].htm

                      Filesize

                      1B

                      MD5

                      cfcd208495d565ef66e7dff9f98764da

                      SHA1

                      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                      SHA256

                      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                      SHA512

                      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                    • memory/2448-1-0x00000000025E0000-0x00000000026E0000-memory.dmp

                      Filesize

                      1024KB

                    • memory/2448-2-0x00000000042D0000-0x00000000042FD000-memory.dmp

                      Filesize

                      180KB

                    • memory/2448-3-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/2448-8-0x00000000025E0000-0x00000000026E0000-memory.dmp

                      Filesize

                      1024KB

                    • memory/2448-10-0x00000000042D0000-0x00000000042FD000-memory.dmp

                      Filesize

                      180KB

                    • memory/2448-12-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/2448-11-0x0000000000400000-0x0000000002485000-memory.dmp

                      Filesize

                      32.5MB

                    • memory/2448-22-0x0000000000400000-0x000000000042F000-memory.dmp

                      Filesize

                      188KB

                    • memory/2448-21-0x0000000000400000-0x0000000002485000-memory.dmp

                      Filesize

                      32.5MB