Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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:896
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a29DA.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:3232
      • C:\Users\Admin\AppData\Local\Temp\a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe
        "C:\Users\Admin\AppData\Local\Temp\a85d4c3231432a0186f7d1e63299dcb64d65474e08aae97e90bdb57da746d797.exe"
        3⤵
        • Executes dropped EXE
        PID:396
    • 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:5324
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3240
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4620

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MicrosoftEdgeUpdateBroker.exe

        • Path C:\Program Files (x86)\Microsoft\EdgeUpdate_bk\1.3.147.37\MicrosoftEdgeUpdateBroker.exe
        • Size 125KB
        • SHA256 fd803d0f5142130c2c90cf91da42b078e9e9317ee356747aa650198a431169c8
        • 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

        $$a29DA.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a29DA.bat
        • Size 722B
        • SHA256 761f8328fba2f3be1056404bc8170a9d292a5f7ec6e822bfd3d0b3ff25ebe363
        • 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-1-5-21-721190819-434563495-2007910846-1000\_desktop.ini
        • Size 9B
        • SHA256 19944e3d79dbaa55528729df082eccbb0b32b6eb8f9e657c445f9a044a342a86
        • MD5 SHA1 SHA512

        memory/896-8-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/896-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-26-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-36-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-32-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-482-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-1285-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-19-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-5074-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/5324-5587-0x0000000000400000-0x0000000000434000-memory.dmp