Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/05/2026, 18:10

General

  • Target
    ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea.exe
  • Size 1.5MB
  • Sample260527-wr4fcahs4s
  • SHA256 ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea
  • 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\ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea.exe
    "C:\Users\Admin\AppData\Local\Temp\ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea.exe"
    1⤵
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3460
    • C:\Windows\SysWOW64\cmd.exe
      C:\Windows\system32\cmd.exe /c C:\Users\Admin\AppData\Local\Temp\$$a5BE6.bat
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1580
      • C:\Users\Admin\AppData\Local\Temp\ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea.exe
        "C:\Users\Admin\AppData\Local\Temp\ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea.exe"
        3⤵
        • Executes dropped EXE
        PID:1068
    • 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:4664
      • C:\Windows\SysWOW64\net.exe
        net stop "Kingsoft AntiVirus Service"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:2464
        • C:\Windows\SysWOW64\net1.exe
          C:\Windows\system32\net1 stop "Kingsoft AntiVirus Service"
          4⤵
          • System Location Discovery: System Language Discovery
          PID:1780

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 e30a6074c50bc77c8a06d0b2d11e29424722445ab0cfe0d3d4801312c7ad36fb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        7z.exe

        • Path C:\Program Files\7-Zip\7z.exe
        • Size 575KB
        • SHA256 0f6eb939daeb883aa2fd7ccca323ea78e3a1af47b6bca8fc3fd7b6833ca9b4e2
        • 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

        $$a5BE6.bat

        • Path C:\Users\Admin\AppData\Local\Temp\$$a5BE6.bat
        • Size 722B
        • SHA256 4ea9edc937f97e89b7e304006fb9664ffee0f4a9984a454df44bf715beabdd69
        • MD5 SHA1 SHA512 TLSH

        ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea.exe.exe

        • Path C:\Users\Admin\AppData\Local\Temp\ef72628f36eeda7e6409dd028dac44f65f7a6bd8e47395b31810a5c6c57727ea.exe.exe
        • Size 1.5MB
        • SHA256 c58513d9d49cfc4a492b40ae3405cfefb9ef715d4df2ace2da64f586b12d50cc
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Logo1_.exe

        • Path C:\Windows\Logo1_.exe
        • Size 26KB
        • SHA256 bd08c3859fe65614f252874fc948ce66e889ccfc3fe0a56ca8432c165f419588
        • MD5 SHA1 SHA512 SSDEEP TLSH

        _desktop.ini

        • Path F:\$RECYCLE.BIN\S-1-5-21-2824035265-2271499813-2042964211-1000\_desktop.ini
        • Size 9B
        • SHA256 90660789145a1e303418de25f012f2cba7ff1d4dc5994f0c5212b2ab04edd7fd
        • MD5 SHA1 SHA512

        memory/1068-27-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-24-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-21-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-20-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-19-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-28-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-29-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-23-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-26-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-25-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/1068-22-0x00000246FF5D0000-0x00000246FF5E0000-memory.dmp

        memory/3460-0-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/3460-11-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-31-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-39-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-45-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-49-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-1236-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-5017-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-9-0x0000000000400000-0x0000000000434000-memory.dmp

        memory/4664-5514-0x0000000000400000-0x0000000000434000-memory.dmp