Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231215-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/01/2024, 19:41

General

  • Target
    7b1c0139de262799dca2bb054e3db974.exe
  • Size 1.1MB
  • Sample240127-yeanlscefj
  • SHA256 360fabfed6012b75c71ad592029662aa60655237b5196554958a6d12a1614db8
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 2 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 11 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Drops file in System32 directory 14 IoCs
  • Modifies registry key 1 TTPs 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of SetWindowsHookEx 9 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7b1c0139de262799dca2bb054e3db974.exe
    "C:\Users\Admin\AppData\Local\Temp\7b1c0139de262799dca2bb054e3db974.exe"
    1⤵
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:996
    • C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
      C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2780
      • C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\ashsvc.exe
        C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\ashsvc.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:1936
      • C:\Windows\SysWOW64\SVCHOSI.EXE
        C:\Windows\System32\SVCHOSI.EXE
        3⤵
        • Executes dropped EXE
        • Drops file in System32 directory
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1592
        • C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
          C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:2448
        • C:\COM2.EXE
          \\.\C:\COM2.EXE
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4408
        • C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
          C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
          4⤵
          • Executes dropped EXE
          • Suspicious use of SetWindowsHookEx
          PID:4612
        • C:\COM2.EXE
          \\.\C:\COM2.EXE
          4⤵
          • Executes dropped EXE
          PID:4596
      • C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\COM1.EXE
        \\.\C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\COM1.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:4592
    • C:\COM2.EXE
      \\.\C:\COM2.EXE
      2⤵
      • Executes dropped EXE
      • Drops file in System32 directory
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1380
      • C:\Windows\SysWOW64\REG.exe
        REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /v NTLOADER REG_SZ /d "C:\COM2.EXE"
        3⤵
        • Modifies registry key
        PID:2296
      • C:\Windows\SysWOW64\REG.exe
        REG ADD HKLM\SOFTWARE\Microsoft\Windows\CurrentVersion\Run /f /v WinSix /t REG_SZ /d "C:\Windows\System32\SVCHOSI.EXE"
        3⤵
        • Adds Run key to start application
        • Modifies registry key
        PID:3972
      • C:\Windows\SysWOW64\SVCHOSI.EXE
        C:\Windows\System32\SVCHOSI.EXE
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetWindowsHookEx
        PID:5000
      • C:\Windows\SysWOW64\REG.exe
        REG ADD HKCU\Software\Microsoft\Windows\CurrentVersion\Explorer\CabinetState /f /v FullPath /t REG_DWORD /d 1
        3⤵
        • Modifies registry key
        PID:2572
      • C:\Windows\SysWOW64\REG.exe
        REG ADD HKLM\Software\Microsoft\Windows\CurrentVersion\Explorer\CabinetState /f /v FullPath /t REG_DWORD /d 1
        3⤵
        • Modifies registry key
        PID:2688
      • C:\Windows\SysWOW64\2026\2045\ashsvc.exe
        C:\Windows\System32\2026\2045\ashsvc.exe
        3⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • Suspicious behavior: EnumeratesProcesses
        PID:4452

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        COM2.EXE

        • Path C:\COM2.EXE
        • Size 965KB
        • SHA256 290abcc77cf070b5c7b9e0cfc8bb3b1e83749ff913c6c01ae488a133a04f8f48
        • MD5 SHA1 SHA512 SSDEEP

        COM2.EXE

        • Path C:\COM2.EXE
        • Size 1.1MB
        • SHA256 e1e5c90c83ae8dc699f747d6596539a9108a6089fa58a2d200ec39b3d7b9b1ec
        • MD5 SHA1 SHA512 SSDEEP

        COM1.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\COM1.EXE
        • Size 953KB
        • SHA256 6d5e764b061a9be2dac13b21354b07218a688c8c5087e151ce92c0cbba60c742
        • MD5 SHA1 SHA512 SSDEEP

        COM1.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\COM1.EXE
        • Size 1.1MB
        • SHA256 e771e3b0bdf0703b69cf103a41de9c9096954c33c645b2e7776346c3f0610c04
        • MD5 SHA1 SHA512 SSDEEP

        IUB.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
        • Size 558KB
        • SHA256 c69726b895c385396ce16b5bbb0f9c42a45922be94a88ad7e25426ed62dcf545
        • MD5 SHA1 SHA512 SSDEEP

        IUB.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
        • Size 923KB
        • SHA256 8da830c26badcfb57ade2ac719bcccc6ebbd92ccf859dfbc7f1c7a26c61455dc
        • MD5 SHA1 SHA512 SSDEEP

        IUB.EXE

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\IUB.EXE
        • Size 1.1MB
        • SHA256 b63378d9b03470493fc80b8ab68d66c145a3c9abd87380ae2d5c571a9510527e
        • MD5 SHA1 SHA512 SSDEEP

        LIBEAY32.dll

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\LIBEAY32.dll
        • Size 494KB
        • SHA256 acee024120921b1f406d6d7f6d5facf054083ab55993ce4c1ba5ebd6595c7e43
        • MD5 SHA1 SHA512 SSDEEP

        ashsvc.exe

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\ashsvc.exe
        • Size 125KB
        • SHA256 b50406caf4b61ca379c6408631d4916f33b87efd3d5f23fb9a7433dd4ff78121
        • MD5 SHA1 SHA512 SSDEEP

        ssleay32.dll

        • Path C:\Users\Admin\AppData\Local\Temp\$Tmp~12026\ssleay32.dll
        • Size 117KB
        • SHA256 295331b60026555ea5f27f0e87d5b9d90a5c5fedb656c945d80a3470d4851cc8
        • MD5 SHA1 SHA512 SSDEEP

        SVCHOSI.EXE

        • Path C:\Windows\SysWOW64\SVCHOSI.EXE
        • Size 1.1MB
        • SHA256 0489f75a389e73f75a623ea2f5e9a790e2230355626401721b0267c3b0b0a183
        • MD5 SHA1 SHA512 SSDEEP

        SVCHOSI.EXE

        • Path C:\Windows\SysWOW64\SVCHOSI.EXE
        • Size 851KB
        • SHA256 a3c0b602e56950df0e4d1338f8eb38b511c5aaf01651a5b5863e6b65de883c3a
        • MD5 SHA1 SHA512 SSDEEP

        memory/996-0-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/996-49-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/996-8-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/1380-91-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/1380-48-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/1380-42-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/1592-47-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/1592-35-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/1936-25-0x0000000000400000-0x0000000000463000-memory.dmp

        memory/1936-19-0x0000000000400000-0x0000000000463000-memory.dmp

        memory/1936-26-0x0000000010000000-0x0000000010135000-memory.dmp

        memory/1936-22-0x0000000000C10000-0x0000000000C5B000-memory.dmp

        memory/1936-24-0x0000000010000000-0x0000000010135000-memory.dmp

        memory/1936-27-0x0000000000E50000-0x0000000000E9B000-memory.dmp

        memory/2448-102-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/2448-99-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/2780-7-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/2780-30-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/2780-88-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/4408-110-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/4408-107-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/4452-87-0x0000000000BC0000-0x0000000000C0B000-memory.dmp

        memory/4452-85-0x0000000010000000-0x0000000010135000-memory.dmp

        memory/4452-83-0x0000000000400000-0x0000000000463000-memory.dmp

        memory/4592-60-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/4592-66-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/4596-139-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/4596-142-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/4612-134-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/5000-52-0x0000000000400000-0x0000000000720000-memory.dmp

        memory/5000-55-0x0000000000400000-0x0000000000720000-memory.dmp