Analysis

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

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    16/07/2026, 06:36

General

  • Target
    8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b.exe
  • Size 183KB
  • Sample260716-hdchtaat21
  • SHA256 8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b
  • 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
  • Program crash 1 IoCs
  • 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 WriteProcessMemory 5 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b.exe
    "C:\Users\Admin\AppData\Local\Temp\8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4712
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aCF8B.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3280
      • C:\Users\Admin\AppData\Local\Temp\8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b.exe
        "C:\Users\Admin\AppData\Local\Temp\8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b.exe"
        3⤵
        • Executes dropped EXE
        • System Location Discovery: System Language Discovery
        PID:1120
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 1120 -s 820
          4⤵
          • Program crash
          PID:5212
    • 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:4860
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:5692
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4140
  • C:\Windows\SysWOW64\WerFault.exe
    C:\Windows\SysWOW64\WerFault.exe -pss -s 440 -p 1120 -ip 1120
    1⤵
      PID:4872

    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 4c74cbdc404d0e08db59716972c0ba39499d8e3ca11ea17affb91bde06857fa3
          • MD5 SHA1 SHA512 SSDEEP TLSH

          vcredist_x86.exe

          • Path C:\ProgramData\Package Cache\{61087a79-ac85-455c-934d-1fa22cc64f36}\vcredist_x86.exe
          • Size 481KB
          • SHA256 827a0e8827f3c1db2715fc7b2c5c5a92ac3deedd294f7b40622093cb92c328eb
          • MD5 SHA1 SHA512 SSDEEP TLSH

          $$aCF8B.bat

          • Path C:\Users\Admin\AppData\Local\Temp\$$aCF8B.bat
          • Size 722B
          • SHA256 c4f461527a19301213c543e42199f861c0d273fe2dc0566e123b9c2c9515e6f4
          • MD5 SHA1 SHA512 TLSH

          8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b.exe.exe

          • Path C:\Users\Admin\AppData\Local\Temp\8981f4df58b7f0dcd14d4c7fd333f23f3919d458ea7cf3012837f3c886df093b.exe.exe
          • Size 157KB
          • SHA256 ff902e9476ae4845a12d10fec6b6c66c5b8cc8a0d53dc10c595d394a197992f7
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Logo1_.exe

          • Path C:\Windows\Logo1_.exe
          • Size 26KB
          • SHA256 200f8a688e1a1988f9269b2b4d81ebcda93b43139766b667c9d3ddbcb6c6e72c
          • MD5 SHA1 SHA512 SSDEEP TLSH

          _desktop.ini

          • Path F:\$RECYCLE.BIN\S-1-5-21-2115213192-531537726-3295841909-1000\_desktop.ini
          • Size 9B
          • SHA256 d8605146ba04ca532b3242764bfe2be90f8cbb4bae83974874fd9662df8003bc
          • MD5 SHA1 SHA512

          memory/1120-21-0x00000000741B2000-0x00000000741B3000-memory.dmp

          memory/1120-22-0x0000000000C00000-0x0000000000C2C000-memory.dmp

          memory/4712-12-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4712-0-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-24-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-38-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-42-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-179-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-1249-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-32-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-5046-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-11-0x0000000000400000-0x0000000000434000-memory.dmp

          memory/4860-5519-0x0000000000400000-0x0000000000434000-memory.dmp