Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-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
  • 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe
    "C:\Users\Admin\AppData\Local\Temp\134632ee7c27ac7c859127e0814a3076e5aaf33fb2d3058a14ab7a973af3a119.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4468
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 444
      2⤵
      • Program crash
      PID:1696
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 772
      2⤵
      • Program crash
      PID:2756
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 784
      2⤵
      • Program crash
      PID:4364
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 820
      2⤵
      • Program crash
      PID:2080
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 836
      2⤵
      • Program crash
      PID:3972
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 928
      2⤵
      • Program crash
      PID:3400
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 1004
      2⤵
      • Program crash
      PID:3968
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 1100
      2⤵
      • Program crash
      PID:2288
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 1664
      2⤵
      • Program crash
      PID:1596
    • 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
      PID:1536
      • 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:3616
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4468 -s 508
      2⤵
      • Program crash
      PID:1728
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 4468
    1⤵
      PID:3436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 368 -p 4468 -ip 4468
      1⤵
        PID:2416
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 4468 -ip 4468
        1⤵
          PID:1084
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 4468
          1⤵
            PID:1480
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4468 -ip 4468
            1⤵
              PID:2356
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4468 -ip 4468
              1⤵
                PID:3004
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4468 -ip 4468
                1⤵
                  PID:1736
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4468 -ip 4468
                  1⤵
                    PID:2580
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4468 -ip 4468
                    1⤵
                      PID:1228
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4468 -ip 4468
                      1⤵
                        PID:4308

                      Network

                      MITRE ATT&CK Enterprise v15

                      Replay Monitor

                      Loading Replay Monitor...

                      Downloads

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

                        Filesize

                        1B

                        MD5

                        cfcd208495d565ef66e7dff9f98764da

                        SHA1

                        b6589fc6ab0dc82cf12099d1c2d40ab994e8410c

                        SHA256

                        5feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9

                        SHA512

                        31bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99

                      • memory/4468-1-0x00000000006E0000-0x00000000007E0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/4468-2-0x0000000000690000-0x00000000006CC000-memory.dmp

                        Filesize

                        240KB

                      • memory/4468-3-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/4468-8-0x0000000010000000-0x000000001001C000-memory.dmp

                        Filesize

                        112KB

                      • memory/4468-13-0x00000000006E0000-0x00000000007E0000-memory.dmp

                        Filesize

                        1024KB

                      • memory/4468-14-0x0000000000400000-0x00000000005FE000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/4468-16-0x0000000000690000-0x00000000006CC000-memory.dmp

                        Filesize

                        240KB

                      • memory/4468-17-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/4468-27-0x0000000000400000-0x00000000005FE000-memory.dmp

                        Filesize

                        2.0MB

                      • memory/4468-36-0x0000000000400000-0x000000000043F000-memory.dmp

                        Filesize

                        252KB

                      • memory/4468-35-0x0000000000400000-0x00000000005FE000-memory.dmp

                        Filesize

                        2.0MB