Analysis

  • max time kernel
    150s
  • max time network
    128s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    26/08/2026, 10:20

General

  • Target
    fa398deb4685be18bc76642a6b533b720f98f64bf0a96b93e76ff0b8130b34c3.exe
  • Size 12.4MB
  • Sample260826-mda27stwat
  • SHA256 fa398deb4685be18bc76642a6b533b720f98f64bf0a96b93e76ff0b8130b34c3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Enumerates connected drives 3 TTPs 23 IoCs

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

  • UPX packed file 5 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Checks SCSI registry key(s) 3 TTPs 14 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Enumerates system info in registry 2 TTPs 2 IoCs
  • Modifies registry class 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 15 IoCs
  • Suspicious use of FindShellTrayWindow 6 IoCs
  • Suspicious use of SendNotifyMessage 6 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\fa398deb4685be18bc76642a6b533b720f98f64bf0a96b93e76ff0b8130b34c3.exe
    "C:\Users\Admin\AppData\Local\Temp\fa398deb4685be18bc76642a6b533b720f98f64bf0a96b93e76ff0b8130b34c3.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4740
    • C:\Windows\SYSTEM32\cmd.exe
      cmd.exe /c set
      2⤵
      • Executes a command shell one-liner
      PID:3416
    • C:\Users\Admin\AppData\Local\Temp\~7198623514171121459~\sg.tmp
      7zG_exe x "C:\Users\Admin\AppData\Local\Temp\fa398deb4685be18bc76642a6b533b720f98f64bf0a96b93e76ff0b8130b34c3.exe" -y -aoa -o"C:\Users\Admin\AppData\Local\Temp\~1020807519165138487"
      2⤵
      • Executes dropped EXE
      • Suspicious use of AdjustPrivilegeToken
      PID:2416
    • C:\Users\Admin\AppData\Local\Temp\~1020807519165138487\DrvCeo.exe
      "C:\Users\Admin\AppData\Local\Temp\~1020807519165138487\DrvCeo.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Enumerates connected drives
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Checks SCSI registry key(s)
      • Enumerates system info in registry
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SendNotifyMessage
      • Suspicious use of SetWindowsHookEx
      PID:3440

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        DrvCeo.exe

        • Path C:\Users\Admin\AppData\Local\Temp\~1020807519165138487\DrvCeo.exe
        • Size 3.1MB
        • SHA256 b243dc658f00dcdc0469a74f674b37b7b94d578f7505f84af08598c18f0ca231
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Drvceo.ini

        • Path C:\Users\Admin\AppData\Local\Temp\~1020807519165138487\Drvceo.ini
        • Size 101B
        • SHA256 76f7641aa730b703dac426df7b7fbdcfc8353d3363c1a5cef3cd0385080d4f93
        • MD5 SHA1 SHA512 TLSH

        7zx86.dll

        • Path C:\Users\Admin\AppData\Local\Temp\~1020807519165138487\Res\7zx86.dll
        • Size 1.1MB
        • SHA256 db2897eeea65401ee1bd8feeebd0dbae8867a27ff4575f12b0b8a613444a5ef7
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Config.ini

        • Path C:\Users\Admin\AppData\Local\Temp\~1020807519165138487\Res\Config.ini
        • Size 69B
        • SHA256 156981a9b3237800f3ce70f5ac8f925913817f45768cb17884a0b6a7347d1918
        • MD5 SHA1 SHA512 TLSH

        Netmfset.dc

        • Path C:\Users\Admin\AppData\Local\Temp\~1020807519165138487\Win10x64\Netmfset.dc
        • Size 25KB
        • SHA256 54fd4cae2403526df1fd51b0067a6c6beafe64403f3a56f817fe46e6cd89ea54
        • MD5 SHA1 SHA512 SSDEEP TLSH

        sg.tmp

        • Path C:\Users\Admin\AppData\Local\Temp\~7198623514171121459~\sg.tmp
        • Size 827KB
        • SHA256 48abedbe9c66cc8a9df93e15a14972dc4473fe6125bc7299eda86a99c908b742
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Dctempdata.drvceo

        • Path C:\Windows\Dctempdata.drvceo
        • Size 5KB
        • SHA256 514dd1171678f5f2c104146f33d4d5946f86cc113ae1da2ac4ca3f82099c01a4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Dctempdata.drvceo

        • Path C:\Windows\Dctempdata.drvceo
        • Size 6KB
        • SHA256 5f8ed16d16ce14fe4e96ea79f6f4cb857cc9fe6c782023806dd8ad3139df3046
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Dctempdata.drvceo

        • Path C:\Windows\Dctempdata.drvceo
        • Size 7KB
        • SHA256 96114d80cd7af556c994818bb4f6c67ad52020535eb188f3f23a822871d72f8b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        DrvCeoRun26.0826.log

        • Path C:\Windows\Temp\~DrvCeoLog\DrvCeoRun26.0826.log
        • Size 1KB
        • SHA256 a305c5691f539b7bfd1ea2a460fc124e61394c3a6c5e2da99a5c17b4b7fe62b3
        • MD5 SHA1 SHA512 TLSH

        DrvCeoRun26.0826.log

        • Path C:\Windows\Temp\~DrvCeoLog\DrvCeoRun26.0826.log
        • Size 4KB
        • SHA256 7cfb583de510ead65f93c373883baaedc4e82d60b1fbc5b4b248b6fd1859ad52
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NoInIndex.log

        • Path C:\Windows\Temp\~DrvCeoLog\NoInIndex.log
        • Size 42KB
        • SHA256 dff030f5913faf71b48f54e600f41c43d23a4e8fc24e2e9c5d29798921517f9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NoInIndex.log

        • Path C:\Windows\Temp\~DrvCeoLog\NoInIndex.log
        • Size 50KB
        • SHA256 ad3da47815a15c57d8c7c02b7aa1386b38b2580551b1b48a3d8fcddd8b3e69ed
        • MD5 SHA1 SHA512 SSDEEP TLSH

        NoInSys.log

        • Path C:\Windows\Temp\~DrvCeoLog\NoInSys.log
        • Size 809B
        • SHA256 b06c2244d0962c4e08b1b6b2b9fb4145a74a4a7a55b117fa3dfccf6dc9be619a
        • MD5 SHA1 SHA512 TLSH

        PcHighDrv.log

        • Path C:\Windows\Temp\~DrvCeoLog\PcHighDrv.log
        • Size 809B
        • SHA256 63d59297c98d238fc25a8d080b427fbbbd2671908aef2cf645ed734b8a88344a
        • MD5 SHA1 SHA512 TLSH

        PcHwids.log

        • Path C:\Windows\Temp\~DrvCeoLog\PcHwids.log
        • Size 50KB
        • SHA256 021ff83b42fa7719b7f35d128de045ee1ad384c94bd21b0e2e67883b1f263182
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/3440-129-0x0000000000400000-0x0000000001431000-memory.dmp

        memory/3440-45-0x0000000000400000-0x0000000001431000-memory.dmp

        memory/3440-46-0x0000000003D80000-0x0000000003D81000-memory.dmp

        memory/3440-121-0x0000000003D80000-0x0000000003D81000-memory.dmp

        memory/3440-119-0x0000000000400000-0x0000000001431000-memory.dmp

        memory/3440-610-0x0000000000400000-0x0000000001431000-memory.dmp

        memory/4740-0-0x0000000000400000-0x0000000000586000-memory.dmp