Analysis

  • max time kernel
    165s
  • max time network
    157s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/04/2024, 13:34

General

  • Target

    4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe

  • Size

    284KB

  • MD5

    f42d86b084ab4f227d53dfad7320c393

  • SHA1

    0e1b2040faeff6dea4146b13d1f0a83fe517bde5

  • SHA256

    4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6

  • SHA512

    c98404f8963fe91ab2e817820bd423bbbe35c0d61ea0eba29477a42566046c309ce9910797f5764dee789af47ee8f1f4bba009e49bc9f348a0fe1c86a8455c38

  • SSDEEP

    3072:qvnUB2XKOHJWbFqZ6R+aKkarpzKuUfqpRbMRZNYec9fJjSA84XV1aLd1k8JC03Zk:qvUAXKSsAmckGDpRExo5SA84Xrl8JCU

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

185.172.128.90

5.42.65.115

Signatures

  • GCleaner

    GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

  • 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 8 IoCs
  • 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\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe
    "C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4988
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 748
      2⤵
      • Program crash
      PID:3648
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 756
      2⤵
      • Program crash
      PID:4732
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 772
      2⤵
      • Program crash
      PID:4740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 780
      2⤵
      • Program crash
      PID:1932
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 904
      2⤵
      • Program crash
      PID:1188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 976
      2⤵
      • Program crash
      PID:1848
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1296
      2⤵
      • Program crash
      PID:3784
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:112
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "4b6032c2677c1c6757eb39e3899812dfe63426af9b094094786c9a0ee4aa31d6.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:4448
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 4988 -s 1308
      2⤵
      • Program crash
      PID:1740
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4988 -ip 4988
    1⤵
      PID:4232
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4988 -ip 4988
      1⤵
        PID:232
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 4988 -ip 4988
        1⤵
          PID:2784
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4988 -ip 4988
          1⤵
            PID:5104
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 484 -p 4988 -ip 4988
            1⤵
              PID:3324
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 4988 -ip 4988
              1⤵
                PID:5028
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 544 -p 4988 -ip 4988
                1⤵
                  PID:2056
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 184 -p 4988 -ip 4988
                  1⤵
                    PID:100

                  Network

                        MITRE ATT&CK Enterprise v15

                        Replay Monitor

                        Loading Replay Monitor...

                        Downloads

                        • memory/4988-1-0x0000000000C10000-0x0000000000D10000-memory.dmp

                          Filesize

                          1024KB

                        • memory/4988-2-0x0000000000BC0000-0x0000000000BED000-memory.dmp

                          Filesize

                          180KB

                        • memory/4988-3-0x0000000000400000-0x0000000000AF0000-memory.dmp

                          Filesize

                          6.9MB

                        • memory/4988-7-0x0000000000BC0000-0x0000000000BED000-memory.dmp

                          Filesize

                          180KB

                        • memory/4988-6-0x0000000000400000-0x0000000000AF0000-memory.dmp

                          Filesize

                          6.9MB