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
    04-09-2024 05:30

General

  • Target

    34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe

  • Size

    277KB

  • MD5

    17037f31f735004a34795e61ec3404ef

  • SHA1

    215734fc9f8e2aa0207006526906f7787fc7b3ce

  • SHA256

    34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef

  • SHA512

    299ba9d6db4757716b084fd4b86b029daa09e57cf5af9279b92dad8348d98390b2228045effe71e8c2a3157f6e3f9e59819d47ca28a46bdb8aa8e59cc2217a8c

  • SSDEEP

    6144:aBoUgpj8IR8E04aheIVjEyn5N4vBpLmww4:koUgp8E04aEIVwy3KaV

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\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
    "C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3560
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 472
      2⤵
      • Program crash
      PID:1680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 484
      2⤵
      • Program crash
      PID:3688
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 780
      2⤵
      • Program crash
      PID:4092
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 780
      2⤵
      • Program crash
      PID:4028
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 832
      2⤵
      • Program crash
      PID:4772
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 872
      2⤵
      • Program crash
      PID:4980
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 960
      2⤵
      • Program crash
      PID:2956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1068
      2⤵
      • Program crash
      PID:4960
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1104
      2⤵
      • Program crash
      PID:3620
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1756
      2⤵
      • Program crash
      PID:4992
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:980
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2660
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 3560 -s 1784
      2⤵
      • Program crash
      PID:5048
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3560 -ip 3560
    1⤵
      PID:2964
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 356 -p 3560 -ip 3560
      1⤵
        PID:4856
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3560 -ip 3560
        1⤵
          PID:3580
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3560 -ip 3560
          1⤵
            PID:3932
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 3560 -ip 3560
            1⤵
              PID:4264
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3560 -ip 3560
              1⤵
                PID:1892
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 3560 -ip 3560
                1⤵
                  PID:1516
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 556 -p 3560 -ip 3560
                  1⤵
                    PID:2360
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 3560 -ip 3560
                    1⤵
                      PID:4404
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 3560 -ip 3560
                      1⤵
                        PID:2088
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 3560 -ip 3560
                        1⤵
                          PID:1456

                        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/3560-1-0x0000000000660000-0x0000000000760000-memory.dmp

                          Filesize

                          1024KB

                        • memory/3560-2-0x00000000022D0000-0x000000000230B000-memory.dmp

                          Filesize

                          236KB

                        • memory/3560-3-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/3560-8-0x0000000010000000-0x000000001001C000-memory.dmp

                          Filesize

                          112KB

                        • memory/3560-13-0x0000000000660000-0x0000000000760000-memory.dmp

                          Filesize

                          1024KB

                        • memory/3560-15-0x0000000000400000-0x000000000044D000-memory.dmp

                          Filesize

                          308KB

                        • memory/3560-16-0x00000000022D0000-0x000000000230B000-memory.dmp

                          Filesize

                          236KB

                        • memory/3560-17-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB

                        • memory/3560-29-0x0000000000400000-0x000000000044D000-memory.dmp

                          Filesize

                          308KB

                        • memory/3560-35-0x0000000000400000-0x000000000044D000-memory.dmp

                          Filesize

                          308KB

                        • memory/3560-36-0x0000000000400000-0x000000000043F000-memory.dmp

                          Filesize

                          252KB