Analysis

  • max time kernel
    106s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-04-2023 06:21

General

  • Target

    411e9fea926f54e6c213adeedc05d03e.exe

  • Size

    311KB

  • MD5

    411e9fea926f54e6c213adeedc05d03e

  • SHA1

    c284cc7f373e9e512b8e8a0b5e127e5959b09eec

  • SHA256

    25a2a5069c502b7aafebbdf26a2d80225774f39f537f2d1b03e3099300d6b3f9

  • SHA512

    91fa1f6128b5aafb84f5dd8dbf13f84a2e35fc04212a6f1a358fa505cf9f1fb0f34973e002e91ac9dc41c19c7bdab0cdf9eddb08883271dde57b2baecca278e9

  • SSDEEP

    3072:3vbbKTou4/uz4jtXl9aYWRF6s8cEv5AWXIwtzIzEP1jq/9RovU46QDTY/+lHViv:kN4G0jt88DuWYwd1jqzovp8/6EzzHpK

Score
10/10

Malware Config

Extracted

Family

gcleaner

C2

45.12.253.56

45.12.253.72

45.12.253.98

45.12.253.75

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). Likely ransomware behaviour.

  • Program crash 9 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\411e9fea926f54e6c213adeedc05d03e.exe
    "C:\Users\Admin\AppData\Local\Temp\411e9fea926f54e6c213adeedc05d03e.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1436
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 452
      2⤵
      • Program crash
      PID:4540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 772
      2⤵
      • Program crash
      PID:1808
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 780
      2⤵
      • Program crash
      PID:740
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 780
      2⤵
      • Program crash
      PID:1992
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 836
      2⤵
      • Program crash
      PID:4680
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 928
      2⤵
      • Program crash
      PID:2588
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 932
      2⤵
      • Program crash
      PID:4164
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 1380
      2⤵
      • Program crash
      PID:3836
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "411e9fea926f54e6c213adeedc05d03e.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\411e9fea926f54e6c213adeedc05d03e.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3900
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "411e9fea926f54e6c213adeedc05d03e.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2108
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 1436 -s 464
      2⤵
      • Program crash
      PID:4776
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 452 -p 1436 -ip 1436
    1⤵
      PID:3352
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 1436
      1⤵
        PID:1432
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 1436
        1⤵
          PID:1752
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 1436
          1⤵
            PID:3800
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 1436 -ip 1436
            1⤵
              PID:4452
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 1436
              1⤵
                PID:2176
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 396 -p 1436 -ip 1436
                1⤵
                  PID:2216
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 1436
                  1⤵
                    PID:2036
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 1436 -ip 1436
                    1⤵
                      PID:4220

                    Network

                    MITRE ATT&CK Matrix ATT&CK v6

                    Discovery

                    Query Registry

                    1
                    T1012

                    System Information Discovery

                    2
                    T1082

                    Replay Monitor

                    Loading Replay Monitor...

                    Downloads

                    • memory/1436-134-0x0000000002D10000-0x0000000002D50000-memory.dmp
                      Filesize

                      256KB

                    • memory/1436-135-0x0000000000400000-0x0000000002B7C000-memory.dmp
                      Filesize

                      39.5MB

                    • memory/1436-139-0x0000000000400000-0x0000000002B7C000-memory.dmp
                      Filesize

                      39.5MB