Analysis

  • max time kernel
    142s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230621-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230621-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/07/2023, 06:04

General

  • Target

    2d257873ee0ae75c9b89bd340e3e3da6.exe

  • Size

    362KB

  • MD5

    2d257873ee0ae75c9b89bd340e3e3da6

  • SHA1

    9dd9080df32b375f39df6470136a5bb107829eba

  • SHA256

    f6cf800d44ff24fc1d1c06ccb0df605c5585f56fd041d335a5fe15628a1e9428

  • SHA512

    e89156f93c1ddb1292d31477e4d05937fc3a091a9868842f5cf861b9bea3c521c839cc557a8dcab0e3d651561b2d06392fcc9426278cd7797c2abeb6f5df5753

  • SSDEEP

    3072:aYCP40soI6S4OjdPhhFZzWUE6itRd8iEmP7WLig/ZT4rNXeCLshvYJREGKm3aGjR:g4V6IV7ErRlEakMJXbsqQjmKJuF25V8

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).

  • Program crash 10 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\2d257873ee0ae75c9b89bd340e3e3da6.exe
    "C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2824
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 452
      2⤵
      • Program crash
      PID:1540
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 764
      2⤵
      • Program crash
      PID:3332
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 772
      2⤵
      • Program crash
      PID:4340
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 784
      2⤵
      • Program crash
      PID:1476
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 836
      2⤵
      • Program crash
      PID:1432
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 928
      2⤵
      • Program crash
      PID:3188
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 928
      2⤵
      • Program crash
      PID:4592
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1112
      2⤵
      • Program crash
      PID:1340
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1368
      2⤵
      • Program crash
      PID:2840
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\System32\cmd.exe" /c taskkill /im "2d257873ee0ae75c9b89bd340e3e3da6.exe" /f & erase "C:\Users\Admin\AppData\Local\Temp\2d257873ee0ae75c9b89bd340e3e3da6.exe" & exit
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:1664
      • C:\Windows\SysWOW64\taskkill.exe
        taskkill /im "2d257873ee0ae75c9b89bd340e3e3da6.exe" /f
        3⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:5016
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -u -p 2824 -s 1396
      2⤵
      • Program crash
      PID:3880
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 460 -p 2824 -ip 2824
    1⤵
      PID:4272
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 2824 -ip 2824
      1⤵
        PID:4828
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2824 -ip 2824
        1⤵
          PID:3764
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -pss -s 384 -p 2824 -ip 2824
          1⤵
            PID:3828
          • C:\Windows\SysWOW64\WerFault.exe
            C:\Windows\SysWOW64\WerFault.exe -pss -s 532 -p 2824 -ip 2824
            1⤵
              PID:4728
            • C:\Windows\SysWOW64\WerFault.exe
              C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2824 -ip 2824
              1⤵
                PID:2580
              • C:\Windows\SysWOW64\WerFault.exe
                C:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 2824 -ip 2824
                1⤵
                  PID:3380
                • C:\Windows\SysWOW64\WerFault.exe
                  C:\Windows\SysWOW64\WerFault.exe -pss -s 512 -p 2824 -ip 2824
                  1⤵
                    PID:1480
                  • C:\Windows\SysWOW64\WerFault.exe
                    C:\Windows\SysWOW64\WerFault.exe -pss -s 508 -p 2824 -ip 2824
                    1⤵
                      PID:1768
                    • C:\Windows\SysWOW64\WerFault.exe
                      C:\Windows\SysWOW64\WerFault.exe -pss -s 520 -p 2824 -ip 2824
                      1⤵
                        PID:4352

                      Network

                            MITRE ATT&CK Enterprise v6

                            Replay Monitor

                            Loading Replay Monitor...

                            Downloads

                            • memory/2824-133-0x00000000019A0000-0x00000000019C6000-memory.dmp

                              Filesize

                              152KB

                            • memory/2824-134-0x0000000003580000-0x00000000035C0000-memory.dmp

                              Filesize

                              256KB

                            • memory/2824-136-0x0000000000400000-0x00000000017FB000-memory.dmp

                              Filesize

                              20.0MB