Analysis

  • max time kernel
    150s
  • max time network
    113s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 04:13

General

  • Target
    f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1.exe
  • Size 1.3MB
  • Sample260814-etfcvsvbkc
  • SHA256 f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • 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
  • 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 6 IoCs

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

  • Runs net.exe
  • Suspicious behavior: EnumeratesProcesses 20 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1.exe
    "C:\Users\Admin\AppData\Local\Temp\f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4108
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a65E4.bat
      2⤵
      • Executes a command shell one-liner
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4172
      • C:\Users\Admin\AppData\Local\Temp\f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1.exe
        "C:\Users\Admin\AppData\Local\Temp\f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        PID:4956
    • C:\Windows\Logo1_.exe
      C:\Windows\Logo1_.exe
      2⤵
      • Executes dropped EXE
      • 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:5508
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:824
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1960
  • C:\Windows\system32\svchost.exe
    C:\Windows\system32\svchost.exe -k GPSvcGroup
    1⤵
      PID:704

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          MicrosoftEdgeUpdateBroker.exe

          • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.185.27\MicrosoftEdgeUpdateBroker.exe
          • Size 124KB
          • SHA256 0d8aad54e90d3b458f1754eccd7453934da612db40bf2eed462cdcd35ba62830
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcredist_x86.exe

          • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
          • Size 481KB
          • SHA256 d5fbaf5c0d8e313d4dad23b28cac4256c5dbed6ab3b0d797e2971f30c5e095ad
          • MD5 SHA1 SHA512 SSDEEP TLSH

          $$a65E4.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$a65E4.bat
          • Size 722B
          • SHA256 3567a1f2ac98d4f1bcfd63ffad4f222c1b10c2c7f09acd1829d4db2a8bb5b648
          • MD5 SHA1 SHA512 TLSH

          f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\f799ba325d1ddf06d64f9212f5741a89ed5f58ceb5076b13a49bcf51859bfda1.exe.exe
          • Size 1.2MB
          • SHA256 fda760d4edd51262418a9fdf05b2dec2666945b448fa00af8e5f2e6d3519dec0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Logo1_.exe

          • Path C:\Windows\Logo1_.exe
          • Size 26KB
          • SHA256 ea49d9df3e33934abdac12276bf4d7c1bc462432656fe7cb7ac864cd1285f146
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-2115213192-531537726-3295841909-1000\_desktop.ini
          • Size 9B
          • SHA256 137a2336786405721f3ba28870250af8000e5ef527196716325fc80bf1dfe2f9
          • MD5 SHA1 SHA512

          memory/4108-0-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4108-15-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-30-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-35-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-39-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-146-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-1247-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-22-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-5044-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-10-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/5508-5517-0x0000000000400000-0x0000000000434000-memory.dmp