Analysis

  • max time kernel
    151s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    23/12/2022, 00:08

General

  • Target
    71f47605360c60769050baadca0a2591c034509e0264fab25fd772a6a67d9553.exe
  • Size 4.2MB
  • Sample221223-ae2kbsaf81
  • SHA256 71f47605360c60769050baadca0a2591c034509e0264fab25fd772a6a67d9553
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • loaderbot

C2
  • http://mrmax4td.beget.tech/cmd.php

Signatures

  • LoaderBot

    LoaderBot is a loader written in .NET downloading and executing miners.

  • xmrig

    XMRig is a high performance, open source, cross platform CPU/GPU miner.

  • LoaderBot executable 3 IoCs
  • XMRig Miner payload 1 IoCs
  • Executes dropped EXE 9 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file 1 IoCs
  • Loads dropped DLL 7 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 31 IoCs
  • Suspicious use of WriteProcessMemory 25 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\71f47605360c60769050baadca0a2591c034509e0264fab25fd772a6a67d9553.exe
    "C:\Users\Admin\AppData\Local\Temp\71f47605360c60769050baadca0a2591c034509e0264fab25fd772a6a67d9553.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4452
    • C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\main\main.bat" /S"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:3552
      • C:\Windows\system32\mode.com
        mode 65,10
        3⤵
          PID:636
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e file.zip -p145252031749632291841729614 -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3856
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_5.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3776
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_1.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:1800
        • C:\Users\Admin\AppData\Local\Temp\main\kjhghfffffcghjjjjjkuiyt.exe
          "kjhghfffffcghjjjjjkuiyt.exe"
          3⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Drops startup file
          • Adds Run key to start application
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:828
          • C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
            "C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe" -o pool.supportxmr.com:3333 -u 4Aqfi5yndcxjFRs1r3dfPjDZnPRfwGijhhYKjaz5NLbJRNwgHHYht1MV2coRC2npEY96NfaVRT4yNaA86TkTfBYzUKR1jyc -p x -k -v=0 --donate-level=0 -t 1
            4⤵
            • Executes dropped EXE
            • Suspicious use of AdjustPrivilegeToken
            PID:2504
        • C:\Windows\system32\attrib.exe
          attrib +H "kjhghfffffcghjjjjjkuiyt.exe"
          3⤵
          • Views/modifies file attributes
          PID:4744
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_2.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3936
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_3.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3432
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_4.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:3320
        • C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          7z.exe e extracted/file_6.zip -oextracted
          3⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          PID:2028

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.dll

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.dll
          • Size 1.6MB
          • SHA256 34ad9bb80fe8bf28171e671228eb5b64a55caa388c31cb8c0df77c0136735891
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          7z.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\7z.exe
          • Size 458KB
          • SHA256 344f076bb1211cb02eca9e5ed2c0ce59bcf74ccbc749ec611538fa14ecb9aad2
          • MD5 SHA1 SHA512 SSDEEP

          ANTIAV~1.DAT

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\ANTIAV~1.DAT
          • Size 2.1MB
          • SHA256 976ebc00a78f53f234ce5eda10b01bf92ec0f3c81f00b74dba9e97792ddc1aa0
          • MD5 SHA1 SHA512 SSDEEP

          file_1.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_1.zip
          • Size 1.7MB
          • SHA256 14ab27a18c950e737deff5ff788fbba9d8be750e8caf943685fc31447f945dd0
          • MD5 SHA1 SHA512 SSDEEP

          file_2.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_2.zip
          • Size 1.7MB
          • SHA256 6df7c6d8346571044ad9ba5ab1c41aa121addd8e4e39689e4567d200bb2e9133
          • MD5 SHA1 SHA512 SSDEEP

          file_3.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_3.zip
          • Size 1.7MB
          • SHA256 5c2055fec5593343426dd5d941b87cfca9fdac56080e135762aa9a71a69d14c3
          • MD5 SHA1 SHA512 SSDEEP

          file_4.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_4.zip
          • Size 1.7MB
          • SHA256 86542a08223a341b42474711d6d37185aeed760cda5400c4e8da2a6cbe619ae5
          • MD5 SHA1 SHA512 SSDEEP

          file_5.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_5.zip
          • Size 1.7MB
          • SHA256 8e3bc8bbe73e61c959ced4744656c2e69db9a7f43c6eee6b8d2439e36f257ad8
          • MD5 SHA1 SHA512 SSDEEP

          file_6.zip

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\file_6.zip
          • Size 3.2MB
          • SHA256 8f920919660e59c5cfcaf53a16918cd6758aa8017784675078471cedb48a62c8
          • MD5 SHA1 SHA512 SSDEEP

          kjhghfffffcghjjjjjkuiyt.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\extracted\kjhghfffffcghjjjjjkuiyt.exe
          • Size 4.0MB
          • SHA256 3f8f82cc246266043b39729f99004dacc14ead06432e4c52198f967b0c84b7e9
          • MD5 SHA1 SHA512 SSDEEP

          file.bin

          • Path C:\Users\Admin\AppData\Local\Temp\main\file.bin
          • Size 3.2MB
          • SHA256 23e04f51b9a9ed82801954e9414cf3d8340ef8a879f86f8b8bcd3cc8c3c2d55e
          • MD5 SHA1 SHA512 SSDEEP

          kjhghfffffcghjjjjjkuiyt.exe

          • Path C:\Users\Admin\AppData\Local\Temp\main\kjhghfffffcghjjjjjkuiyt.exe
          • Size 4.0MB
          • SHA256 3f8f82cc246266043b39729f99004dacc14ead06432e4c52198f967b0c84b7e9
          • MD5 SHA1 SHA512 SSDEEP

          main.bat

          • Path C:\Users\Admin\AppData\Local\Temp\main\main.bat
          • Size 543B
          • SHA256 323b31caa4d74659e1258023a546aa9931ad788f597aedcee0506bd450b7573a
          • MD5 SHA1 SHA512

          Driver.exe

          • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
          • Size 3.9MB
          • SHA256 8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
          • MD5 SHA1 SHA512 SSDEEP

          Driver.exe

          • Path C:\Users\Admin\AppData\Roaming\Sysfiles\Driver.exe
          • Size 3.9MB
          • SHA256 8d6abba9b216172cfc64b8802db0d20a1c634c96e1049f451eddba2363966bf0
          • MD5 SHA1 SHA512 SSDEEP

          memory/828-170-0x0000000005860000-0x00000000058C6000-memory.dmp

          memory/828-169-0x00000000007F0000-0x0000000000BEE000-memory.dmp

          memory/2504-174-0x00000000001D0000-0x00000000001E4000-memory.dmp

          memory/2504-179-0x00000000004F0000-0x0000000000510000-memory.dmp

          memory/2504-178-0x00000000004F0000-0x0000000000510000-memory.dmp

          memory/2504-177-0x0000000140000000-0x0000000140B75000-memory.dmp

          memory/2504-176-0x00000000004D0000-0x00000000004F0000-memory.dmp

          memory/2504-175-0x0000000140000000-0x0000000140B75000-memory.dmp