Analysis

  • max time kernel
    151s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220414-en
  • submitted
    14/07/2022, 01:41

General

  • Target
    48d8f2502fe8a70ad31bba1388e9db78556419b62b615254a9cb813d5bbfcded.exe
  • Size 714KB
  • Sample220714-b39fhsbaf5
  • SHA256 48d8f2502fe8a70ad31bba1388e9db78556419b62b615254a9cb813d5bbfcded
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Signatures

  • Imminent RAT

    Remote-access trojan based on Imminent Monitor remote admin software.

  • Drops startup file 1 IoCs
  • Drops desktop.ini file(s) 2 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Drops file in Windows directory 3 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 14 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\48d8f2502fe8a70ad31bba1388e9db78556419b62b615254a9cb813d5bbfcded.exe
    "C:\Users\Admin\AppData\Local\Temp\48d8f2502fe8a70ad31bba1388e9db78556419b62b615254a9cb813d5bbfcded.exe"
    1⤵
    • Drops startup file
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2284
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      "C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\Admin\AppData\Local\Temp\uad4mzaj\uad4mzaj.cmdline"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:2992
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES92EE.tmp" "c:\Users\Admin\AppData\Local\Temp\uad4mzaj\CSC14EBD170CC9A4C7FBB8116554660C592.TMP"
        3⤵
          PID:4836
      • C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe
        "C:\Windows\Microsoft.NET\Framework\v2.0.50727\RegAsm.exe"
        2⤵
        • Drops desktop.ini file(s)
        • Drops file in Windows directory
        • Suspicious behavior: GetForegroundWindowSpam
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of SetWindowsHookEx
        PID:4616
    • C:\Windows\system32\wbem\WmiApSrv.exe
      C:\Windows\system32\wbem\WmiApSrv.exe
      1⤵
        PID:3964

      Network

            MITRE ATT&CK Matrix

            Replay Monitor

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            Downloads

            RES92EE.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\RES92EE.tmp
            • Size 1KB
            • SHA256 a5bd91f82f4922d82bd0067891786e7a2fe98177de0e5d11858e68f13b279c77
            • MD5 SHA1 SHA512

            uad4mzaj.dll

            • Path C:\Users\Admin\AppData\Local\Temp\uad4mzaj\uad4mzaj.dll
            • Size 15KB
            • SHA256 af9cf6ecade9a47fc17bfb70027aac580f95f53d16b21f1a01e585e87b5816ff
            • MD5 SHA1 SHA512 SSDEEP

            uad4mzaj.pdb

            • Path C:\Users\Admin\AppData\Local\Temp\uad4mzaj\uad4mzaj.pdb
            • Size 49KB
            • SHA256 c44522e6217a9881b9e63e5f145b5724bd187a934fd3de3099ffabe08555b3d3
            • MD5 SHA1 SHA512 SSDEEP

            CSC14EBD170CC9A4C7FBB8116554660C592.TMP

            • Path \??\c:\Users\Admin\AppData\Local\Temp\uad4mzaj\CSC14EBD170CC9A4C7FBB8116554660C592.TMP
            • Size 1KB
            • SHA256 1299f5ae987b123ac882a14c497c739c8fb8bb495529797344dc2847399e84b6
            • MD5 SHA1 SHA512

            uad4mzaj.0.cs

            • Path \??\c:\Users\Admin\AppData\Local\Temp\uad4mzaj\uad4mzaj.0.cs
            • Size 28KB
            • SHA256 f387b23b9fef7e4f08feaaedf47bcb8e36c863256b5c61331d5badb06f586012
            • MD5 SHA1 SHA512 SSDEEP

            uad4mzaj.cmdline

            • Path \??\c:\Users\Admin\AppData\Local\Temp\uad4mzaj\uad4mzaj.cmdline
            • Size 312B
            • SHA256 ad3df2af5acf3122d5776e040913808e9d83b1ee5598c1007f2c584c3d2945c7
            • MD5 SHA1 SHA512

            memory/2284-130-0x0000000000CE0000-0x0000000000D9A000-memory.dmp

            memory/2284-139-0x0000000005790000-0x0000000005822000-memory.dmp

            memory/2284-140-0x0000000005E40000-0x0000000005EDC000-memory.dmp

            memory/4616-142-0x0000000000400000-0x0000000000456000-memory.dmp

            memory/4616-143-0x0000000075350000-0x0000000075901000-memory.dmp

            memory/4616-144-0x0000000075350000-0x0000000075901000-memory.dmp