Analysis

  • max time kernel
    97s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe
    "C:\Users\Admin\AppData\Local\Temp\d9ecc985dc6851bfa63b25841d0879abf248d50bd1e95efb45e6d1707813e3cf.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 440
      2⤵
      • Program crash
      PID:656
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 764
      2⤵
      • Program crash
      PID:3420
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 784
      2⤵
      • Program crash
      PID:5064
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 784
      2⤵
      • Program crash
      PID:3232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 764
      2⤵
      • Program crash
      PID:4480
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 928
      2⤵
      • Program crash
      PID:1804
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 928
      2⤵
      • Program crash
      PID:728
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 1568
      2⤵
      • Program crash
      PID:1420
    • 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:3696
      • 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:1860
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1432 -s 492
      2⤵
      • Program crash
      PID:3644
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1432 -ip 1432
    1⤵
      PID:3732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 1432 -ip 1432
      1⤵
        PID:4760
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 428 -p 1432 -ip 1432
        1⤵
          PID:408
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 364 -p 1432 -ip 1432
          1⤵
            PID:3200
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 1432 -ip 1432
            1⤵
              PID:3980
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 1432 -ip 1432
              1⤵
                PID:2808
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 1432 -ip 1432
                1⤵
                  PID:4516
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 568 -p 1432 -ip 1432
                  1⤵
                    PID:4256
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 604 -p 1432 -ip 1432
                    1⤵
                      PID:400

                    Network

                    MITRE ATT&CK Enterprise v15

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\JACP9GNT\download[1].htm

                      Filesize

                      1B

                      MD5

                      cfcd208495d565ef66e7dff9f98764da

                      SHA1

                      b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                      SHA256

                      5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                      SHA512

                      31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                    • memory/1432-1-0x0000000000830000-0x0000000000930000-memory.dmp

                      Filesize

                      1024KB

                    • memory/1432-2-0x0000000000790000-0x00000000007CB000-memory.dmp

                      Filesize

                      236KB

                    • memory/1432-3-0x0000000000400000-0x000000000043F000-memory.dmp

                      Filesize

                      252KB

                    • memory/1432-8-0x0000000010000000-0x000000001001C000-memory.dmp

                      Filesize

                      112KB

                    • memory/1432-13-0x0000000000830000-0x0000000000930000-memory.dmp

                      Filesize

                      1024KB

                    • memory/1432-16-0x0000000000790000-0x00000000007CB000-memory.dmp

                      Filesize

                      236KB

                    • memory/1432-15-0x0000000000400000-0x00000000005F8000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/1432-17-0x0000000000400000-0x000000000043F000-memory.dmp

                      Filesize

                      252KB

                    • memory/1432-29-0x0000000000400000-0x00000000005F8000-memory.dmp

                      Filesize

                      2.0MB

                    • memory/1432-36-0x0000000000400000-0x000000000043F000-memory.dmp

                      Filesize

                      252KB

                    • memory/1432-35-0x0000000000400000-0x00000000005F8000-memory.dmp

                      Filesize

                      2.0MB