Analysis

  • max time kernel
    93s
  • max time network
    100s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
  • 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 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\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe
    "C:\Users\Admin\AppData\Local\Temp\34e45106ef40f0fe5644782dfc6fb5efa83d55accd6d74e392abf5f544db81ef.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2072
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 452
      2⤵
      • Program crash
      PID:3784
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 452
      2⤵
      • Program crash
      PID:2976
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 748
      2⤵
      • Program crash
      PID:4876
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 788
      2⤵
      • Program crash
      PID:220
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 808
      2⤵
      • Program crash
      PID:1016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 748
      2⤵
      • Program crash
      PID:2944
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 912
      2⤵
      • Program crash
      PID:4956
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 988
      2⤵
      • Program crash
      PID:3240
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 1544
      2⤵
      • Program crash
      PID:2788
    • 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:2288
      • 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:4888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2072 -s 1512
      2⤵
      • Program crash
      PID:2728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2072 -ip 2072
    1⤵
      PID:2540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 2072 -ip 2072
      1⤵
        PID:4028
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 524 -p 2072 -ip 2072
        1⤵
          PID:4688
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 552 -p 2072 -ip 2072
          1⤵
            PID:1472
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 548 -p 2072 -ip 2072
            1⤵
              PID:4784
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 2072
              1⤵
                PID:3988
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 480 -p 2072 -ip 2072
                1⤵
                  PID:5080
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 536 -p 2072 -ip 2072
                  1⤵
                    PID:3480
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 2072
                    1⤵
                      PID:4504
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 2072 -ip 2072
                      1⤵
                        PID:4348

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/2072-1-0x0000000000470000-0x0000000000570000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2072-2-0x0000000002190000-0x00000000021CB000-memory.dmp

                        Filesize

                        236KB

                      • memory/2072-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2072-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/2072-13-0x0000000000470000-0x0000000000570000-memory.dmp

                        Filesize

                        1024KB

                      • memory/2072-14-0x0000000000400000-0x000000000044D000-memory.dmp

                        Filesize

                        308KB

                      • memory/2072-16-0x0000000002190000-0x00000000021CB000-memory.dmp

                        Filesize

                        236KB

                      • memory/2072-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/2072-35-0x0000000000400000-0x000000000044D000-memory.dmp

                        Filesize

                        308KB

                      • memory/2072-36-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB