Analysis

  • max time kernel
    149s
  • max time network
    95s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    28/05/2026, 04:24

General

  • Target
    4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52.exe
  • Size 48KB
  • Sample260528-e1cwbafs7m
  • SHA256 4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52
  • 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\4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52.exe
    "C:\Users\Admin\AppData\Local\Temp\4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4780
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$aDA91.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:4828
      • C:\Users\Admin\AppData\Local\Temp\4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52.exe
        "C:\Users\Admin\AppData\Local\Temp\4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52.exe"
        3⤵
        • Executes dropped EXE
        PID:4920
    • 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:4832
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:1140
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:4776

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 d2264336f741d7ce9e4c9f1126c6455fca57670c3bd8f6c69e3510ea3d762eae
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 124767ba0844f951614104bff73d9a2cfe9246890193baf2c26ba9fa35c96c38
        • 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

        $$aDA91.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$aDA91.bat
        • Size 722B
        • SHA256 7190d52623434e8a2ba32eb4d7feebcea9f38cb45aa32772fbb815e9bfbf45df
        • MD5 SHA1 SHA512 TLSH

        4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\4fac00c6c6ac942578a3cf0b136eedba9ede37bdcc8e8833ac4ea3dac8099a52.exe.exe
        • Size 22KB
        • SHA256 2fa236e47f8841db8126bd6c96362382b376696ac3d8bbc12ed6b93e5882f689
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 4d7262e825cde26166af5d16feeaa31ce1a29bf97cc9b2a8286fb867117ba150
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-1768642833-2142038154-4041560723-1000\_desktop.ini
        • Size 9B
        • SHA256 eb495551880bcb8ea0e05d68913bbd05fe45b2a14f467ff78323860c4b9ae1aa
        • MD5 SHA1 SHA512

        memory/4780-10-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4780-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-27-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-37-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-33-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-625-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-1224-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-20-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-5005-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-11-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4832-5502-0x0000000000400000-0x0000000000434000-memory.dmp