Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260130-en
  • resource tags

    arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    11/05/2026, 08:53

General

  • Target
    a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe
  • Size 42KB
  • Sample260511-ktbbsshs2r
  • SHA256 a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797
  • 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
  • System Location Discovery: System Language Discovery 1 TTPs 5 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\a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe
    "C:\Users\Admin\AppData\Local\Temp\a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aA7.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:648
      • C:\Users\Admin\AppData\Local\Temp\a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe
        "C:\Users\Admin\AppData\Local\Temp\a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe"
        3⤵
        • Executes dropped EXE
        PID:5056
    • 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:4508
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:4472
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:2288

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.143.57\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 971c49c6d69f621464489dbcb4a82febfdd4554c2c762040ebc0e7502d9b6018
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 abbb5137ab26937f109a072eaea07be42b28b90d901214af31216a3f9172e4c2
        • 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

        $$aA7.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aA7.bat
        • Size 720B
        • SHA256 91d2934857a474e7930f83e50328f96038225bae06fcadab4aa79ada294a249c
        • MD5 SHA1 SHA512 TLSH

        a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe.exe
        • Size 16KB
        • SHA256 a389fe4f2ebc84511947ccf2ca87754fe2930a8cd8d83436462e3b7ad871b223
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 97511243492c2478e7d628b07af30dcaa9985a5ae16f9792e915147e78fee49f
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-600123060-2148212387-2211176695-1000\_desktop.ini
        • Size 9B
        • SHA256 19944e3d79dbaa55528729df082eccbb0b32b6eb8f9e657c445f9a044a342a86
        • MD5 SHA1 SHA512

        memory/3028-12-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3028-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-26-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-36-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-32-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-724-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-1223-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-19-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-5002-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-8-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4508-5505-0x0000000000400000-0x0000000000434000-memory.dmp