Overview

overview

8

Static

static

3

2025-07-02...op.exe

windows10-2004-x64

8

2025-07-02...op.exe

windows11-21h2-x64

8

Analysis

  • max time kernel
    150s
  • max time network
    108s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250619-en
  • resource tags

    arch:x64arch:x86image:win11-20250619-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/07/2025, 02:59

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General

  • Target
    2025-07-02_f3ea94dd4530865dce8ef5a3dbed19d8_elex_gcleaner_stop.exe
  • Size 366KB
  • Sample250702-dgrppa1yav
  • SHA256 f49021a24b27fde4d49a421a1f23e764db671dc19ff86446eb53829d8e7afda9
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
discoverypersistencespywarestealer

Malware Config

Signatures

  • Drops file in Drivers directory 3 IoCs
  • Drops startup file 2 IoCs
  • Executes dropped EXE 3 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

    spywarestealer
  • Adds Run key to start application 2 TTPs 2 IoCs
    persistence
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 4 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 11 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

    discovery
  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of WriteProcessMemory 32 IoCs

Processes

  • C:\Windows\Explorer.EXE
    C:\Windows\Explorer.EXE
    1⤵
      PID:3256
      • C:\Users\Admin\AppData\Local\Temp\2025-07-02_f3ea94dd4530865dce8ef5a3dbed19d8_elex_gcleaner_stop.exe
        "C:\Users\Admin\AppData\Local\Temp\2025-07-02_f3ea94dd4530865dce8ef5a3dbed19d8_elex_gcleaner_stop.exe"
        2⤵
        • Drops file in Drivers directory
        • Adds Run key to start application
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:1320
        • C:\Windows\SysWOW64\net.exe
          net stop "Kingsoft AntiVirus Service"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:3696
          • C:\Windows\SysWOW64\net1.exe
            C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            PID:3016
        • C:\Windows\SysWOW64\cmd.exe
          C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a76E5.bat
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1000
          • C:\Users\Admin\AppData\Local\Temp\2025-07-02_f3ea94dd4530865dce8ef5a3dbed19d8_elex_gcleaner_stop.exe
            "C:\Users\Admin\AppData\Local\Temp\2025-07-02_f3ea94dd4530865dce8ef5a3dbed19d8_elex_gcleaner_stop.exe"
            4⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:3300
        • C:\Windows\Logo1_.exe
          C:\Windows\Logo1_.exe
          3⤵
          • Drops file in Drivers directory
          • Drops startup file
          • Executes dropped EXE
          • Adds Run key to start application
          • Enumerates connected drives
          • Drops file in Program Files directory
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:340
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:4360
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2516
          • C:\Windows\SysWOW64\net.exe
            net stop "Kingsoft AntiVirus Service"
            4⤵
            • System Location Discovery: System Language Discovery
            • Suspicious use of WriteProcessMemory
            PID:2888
            • C:\Windows\SysWOW64\net1.exe
              C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
              5⤵
              • System Location Discovery: System Language Discovery
              PID:2972
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c C:\Windows\uninstall\rundl132.exe
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:3540
        • C:\Windows\uninstall\rundl132.exe
          C:\Windows\uninstall\rundl132.exe
          3⤵
          • Drops file in Drivers directory
          • Executes dropped EXE
          • System Location Discovery: System Language Discovery
          PID:4004

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          $$a76E5.bat
          • Path C:\Users\Admin\AppData\Local\Temp\$$a76E5.bat
          • Size 710B
          • SHA256 d49ae64e7c554762a0cfad6215104cfa7010ffc75be338acc6c1a37083a2a3ff
          • MD5 SHA1 SHA512
          Submit Download

          2025-07-02_f3ea94dd4530865dce8ef5a3dbed19d8_elex_gcleaner_stop.exe.exe
          • Path C:\Users\Admin\AppData\Local\Temp\2025-07-02_f3ea94dd4530865dce8ef5a3dbed19d8_elex_gcleaner_stop.exe.exe
          • Size 278KB
          • SHA256 81995cc8be60f5aec80230202e40a90564342aa2f6541ff1ba98f34cdd363e2d
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          Logo1_.exe
          • Path C:\Windows\Logo1_.exe
          • Size 88KB
          • SHA256 63f40c2bb633f38bf303be35825fb6db02a225ac8dd3b50525ecce49b9e6c815
          • MD5 SHA1 SHA512 SSDEEP
          Submit Download

          hosts
          • Path C:\Windows\system32\drivers\etc\hosts
          • Size 842B
          • SHA256 d9704dab05e988be3e5e7b7c020bb9814906d11bb9c31ad80d4ed1316f6bc94e
          • MD5 SHA1 SHA512
          Submit Download

          _desktop.ini
          • Path F:\$RECYCLE.BIN\S-1-5-21-625765727-1271952295-745797415-1000\_desktop.ini
          • Size 8B
          • SHA256 7ee98acf971e32cae894381122352197a76e04e7689903e61cef63ad4f690736
          • MD5 SHA1 SHA512
          Submit Download

          memory/340-20-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/340-2153-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/340-9543-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/340-9809-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/1320-9-0x0000000000400000-0x0000000000429000-memory.dmp
          Download

          memory/4004-14-0x0000000000400000-0x0000000000429000-memory.dmp
          Download