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
    05-09-2024 08:46

General

  • Target

    d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe

  • Size

    400KB

  • MD5

    13d02c69763dece02f453669edafdead

  • SHA1

    479ac56d7939632af05c01cd505662ef8bfef347

  • SHA256

    d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf

  • SHA512

    a978cf62687e918054a2008b74de5e5b21bfcaf97e3bfa643e0f9537b623ea6d63ec5b19e424d5aaae9af4db3ece1e5f5fc3019b0f4de450bb0611d779ce538b

  • SSDEEP

    6144:ENqEEnHWfm10wV83SIjDHNnS0APzeessesXCgjqmA:EbEnHWfm10wG3SII0APzZNs

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\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe
    "C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 476
      2⤵
      • Program crash
      PID:2964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 796
      2⤵
      • Program crash
      PID:2332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 816
      2⤵
      • Program crash
      PID:2316
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 856
      2⤵
      • Program crash
      PID:4256
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 848
      2⤵
      • Program crash
      PID:1624
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 976
      2⤵
      • Program crash
      PID:1688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1088
      2⤵
      • Program crash
      PID:600
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1344
      2⤵
      • Program crash
      PID:3484
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1684
      2⤵
      • Program crash
      PID:2200
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4484
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:32
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 772 -s 1596
      2⤵
      • Program crash
      PID:4196
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 772 -ip 772
    1⤵
      PID:1636
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 772 -ip 772
      1⤵
        PID:2464
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 772 -ip 772
        1⤵
          PID:3168
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 516 -p 772 -ip 772
          1⤵
            PID:4792
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 772 -ip 772
            1⤵
              PID:4896
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 772 -ip 772
              1⤵
                PID:4304
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 772 -ip 772
                1⤵
                  PID:4880
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 772 -ip 772
                  1⤵
                    PID:2264
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 772 -ip 772
                    1⤵
                      PID:964
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 772 -ip 772
                      1⤵
                        PID:3348

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

                      • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BP5TNA7\download[1].htm

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/772-1-0x0000000000740000-0x0000000000840000-memory.dmp

                        Filesize

                        1024KB

                      • memory/772-2-0x0000000002440000-0x000000000247B000-memory.dmp

                        Filesize

                        236KB

                      • memory/772-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/772-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/772-13-0x0000000000740000-0x0000000000840000-memory.dmp

                        Filesize

                        1024KB

                      • memory/772-15-0x0000000002440000-0x000000000247B000-memory.dmp

                        Filesize

                        236KB

                      • memory/772-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/772-16-0x0000000000400000-0x00000000005F8000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/772-35-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/772-34-0x0000000000400000-0x00000000005F8000-memory.dmp

                        Filesize

                        2.0MB