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
    03-09-2024 20:45

General

  • Target

    134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe

  • Size

    422KB

  • MD5

    2fa023187ddc468439db40086c1a7460

  • SHA1

    028ca13565678497f7f1638bdcf7af81a28cac8f

  • SHA256

    134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119

  • SHA512

    9112fde9371c82305ca1122de52cbf6d742667c96191425f8468876ee75712a48da5b74209c8aa0bfb9d8365b017f2c10db9c24d3a233d0cb25b2ee71be37257

  • SSDEEP

    6144:vspWxDxtsNSiSRRDpOshFzcDt60aYVaVTSx1P8e/o:vuWxDxGKpMshF4M7Yqex1z

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.

  • Downloads MZ/PE file
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 12 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\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe
    "C:\Users\Admin\AppData\Local\Temp\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2568
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 484
      2⤵
      • Program crash
      PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 804
      2⤵
      • Program crash
      PID:1156
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 844
      2⤵
      • Program crash
      PID:3136
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 864
      2⤵
      • Program crash
      PID:4888
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 896
      2⤵
      • Program crash
      PID:1580
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 976
      2⤵
      • Program crash
      PID:1508
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1108
      2⤵
      • Program crash
      PID:852
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1396
      2⤵
      • Program crash
      PID:4716
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1660
      2⤵
      • Program crash
      PID:828
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe" & exit
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3020
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe" /f
        3⤵
        • System Location Discovery: System Language Discovery
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:3076
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1680
      2⤵
      • Program crash
      PID:2864
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 1720
      2⤵
      • Program crash
      PID:2404
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2568 -s 472
      2⤵
      • Program crash
      PID:428
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2568 -ip 2568
    1⤵
      PID:3708
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 500 -p 2568 -ip 2568
      1⤵
        PID:2040
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 504 -p 2568 -ip 2568
        1⤵
          PID:3528
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 468 -p 2568 -ip 2568
          1⤵
            PID:3832
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2568 -ip 2568
            1⤵
              PID:4912
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2568 -ip 2568
              1⤵
                PID:2340
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 496 -p 2568 -ip 2568
                1⤵
                  PID:2020
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2568 -ip 2568
                  1⤵
                    PID:1736
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2568 -ip 2568
                    1⤵
                      PID:1664
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2568 -ip 2568
                      1⤵
                        PID:2668
                      • C:\Windows\SysWOW64\WerFault.exe
                        C:\Windows\SysWOW64\WerFault.exe -pss -s 380 -p 2568 -ip 2568
                        1⤵
                          PID:3440
                        • C:\Windows\SysWOW64\WerFault.exe
                          C:\Windows\SysWOW64\WerFault.exe -pss -s 352 -p 2568 -ip 2568
                          1⤵
                            PID:3412

                          Network

                          MITRE ATT&CK Enterprise v15

                          Replay Monitor

                          Loading Replay Monitor...

                          Downloads

                          • C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\OZ1VS64O\download[1].htm

                            Filesize

                            1B

                            MD5

                            cfcd208495d565ef66e7dff9f98764da

                            SHA1

                            b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                            SHA256

                            5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                            SHA512

                            31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                          • memory/2568-1-0x00000000007E0000-0x00000000008E0000-memory.dmp

                            Filesize

                            1024KB

                          • memory/2568-2-0x0000000002300000-0x000000000233C000-memory.dmp

                            Filesize

                            240KB

                          • memory/2568-3-0x0000000000400000-0x000000000043F000-memory.dmp

                            Filesize

                            252KB

                          • memory/2568-8-0x0000000010000000-0x000000001001C000-memory.dmp

                            Filesize

                            112KB

                          • memory/2568-13-0x00000000007E0000-0x00000000008E0000-memory.dmp

                            Filesize

                            1024KB

                          • memory/2568-15-0x0000000002300000-0x000000000233C000-memory.dmp

                            Filesize

                            240KB

                          • memory/2568-17-0x0000000000400000-0x000000000043F000-memory.dmp

                            Filesize

                            252KB

                          • memory/2568-16-0x0000000000400000-0x00000000005FE000-memory.dmp

                            Filesize

                            2.0MB

                          • memory/2568-34-0x0000000000400000-0x00000000005FE000-memory.dmp

                            Filesize

                            2.0MB

                          • memory/2568-35-0x0000000000400000-0x00000000005FE000-memory.dmp

                            Filesize

                            2.0MB

                          • memory/2568-36-0x0000000000400000-0x000000000043F000-memory.dmp

                            Filesize

                            252KB