Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    24/10/2022, 07:29

General

  • Target
    SecuriteInfo.com.Win32.BackdoorX-gen.12634.2971.exe
  • Size 10KB
  • Sample221024-ja8mhsfdbp
  • SHA256 ad87f3ad6fb14d2b79d7b7aac1b38bc04fd20757460da0f02cac139408df9969
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • remcos

Botnet
  • RemoteHost

C2
  • obologs.work.gd:4044

Attributes
  • audio_folder

    MicRecords

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    1

  • copy_file

    remcos.exe

  • copy_folder

    Remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • mouse_option

    false

  • mutex

    Rmc-F9UER6

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • startup_value

    Remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Extracted

Family
  • lokibot

C2
  • http://192.64.118.167/profile.php?id=6iMMKJHCU15sObupIn6Ll6LlnrEG0OS67FTRoBujDALrMfRvD

  • http://kbfvzoboss.bid/alien/fre.php

  • http://alphastand.trade/alien/fre.php

  • http://alphastand.win/alien/fre.php

  • http://alphastand.top/alien/fre.php

Signatures

  • Lokibot

    Lokibot is a Password and CryptoCoin Wallet Stealer.

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 2 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 4 IoCs
  • Downloads MZ/PE file
  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 10 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of WriteProcessMemory 45 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BackdoorX-gen.12634.2971.exe
    "C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Win32.BackdoorX-gen.12634.2971.exe"
    1⤵
    • Checks computer location settings
    • Adds Run key to start application
    • Suspicious use of SetThreadContext
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:1176
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
      2⤵
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:3932
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:5052
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\qoykcontfklbvdkdsywynmfnxmkwqhmqf"
        3⤵
          PID:5096
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\qoykcontfklbvdkdsywynmfnxmkwqhmqf"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          PID:1228
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\bidcc"
          3⤵
          • Accesses Microsoft Outlook accounts
          PID:3336
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
          C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe /stext "C:\Users\Admin\AppData\Local\Temp\dlrndzjoh"
          3⤵
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:2572
        • C:\Users\Admin\AppData\Local\Temp\dwn.exe
          "C:\Users\Admin\AppData\Local\Temp\dwn.exe"
          3⤵
          • Executes dropped EXE
          • Checks computer location settings
          • Suspicious use of SetThreadContext
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          PID:2220
          • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
            "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMgAwAA==
            4⤵
            • Suspicious behavior: EnumeratesProcesses
            • Suspicious use of AdjustPrivilegeToken
            PID:2384
          • C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
            4⤵
            • Accesses Microsoft Outlook profiles
            • Suspicious use of AdjustPrivilegeToken
            • outlook_office_path
            • outlook_win_path
            PID:4408

    Network

          MITRE ATT&CK Enterprise v6

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          powershell.exe.log

          • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
          • Size 1KB
          • SHA256 3254495a5513b37a2686a876d0040275414699e7ce760e7b5ee05e41a54b96f5
          • MD5 SHA1 SHA512

          ModuleAnalysisCache

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache
          • Size 53KB
          • SHA256 474813b625f00710f29fa3b488235a6a22201851efb336bddf60d7d24a66bfba
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 16KB
          • SHA256 b7255e7ee35727982f66a3263370e14db4ca519d7aae64b97436f9efe72a3056
          • MD5 SHA1 SHA512 SSDEEP

          dwn.exe

          • Path C:\Users\Admin\AppData\Local\Temp\dwn.exe
          • Size 6KB
          • SHA256 2d7e67bffba35a8c1847cec933be9ba5ab20c81d0386699d67ac830966656e93
          • MD5 SHA1 SHA512 SSDEEP

          dwn.exe

          • Path C:\Users\Admin\AppData\Local\Temp\dwn.exe
          • Size 6KB
          • SHA256 2d7e67bffba35a8c1847cec933be9ba5ab20c81d0386699d67ac830966656e93
          • MD5 SHA1 SHA512 SSDEEP

          qoykcontfklbvdkdsywynmfnxmkwqhmqf

          • Path C:\Users\Admin\AppData\Local\Temp\qoykcontfklbvdkdsywynmfnxmkwqhmqf
          • Size 4KB
          • SHA256 bd8156713974af3003c418302d3647fa84f62836fe83613c05e8bc40cb06a867
          • MD5 SHA1 SHA512 SSDEEP

          memory/1176-133-0x00000000066B0000-0x00000000066D2000-memory.dmp

          memory/1176-132-0x0000000000FB0000-0x0000000000FB8000-memory.dmp

          memory/1228-158-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/1228-153-0x0000000000400000-0x0000000000478000-memory.dmp

          memory/2220-157-0x0000000000180000-0x0000000000188000-memory.dmp

          memory/2572-152-0x0000000000400000-0x0000000000424000-memory.dmp

          memory/3336-151-0x0000000000400000-0x0000000000457000-memory.dmp

          memory/3932-140-0x00000000076E0000-0x0000000007D5A000-memory.dmp

          memory/3932-135-0x0000000002A70000-0x0000000002AA6000-memory.dmp

          memory/3932-136-0x0000000005210000-0x0000000005838000-memory.dmp

          memory/3932-137-0x0000000005960000-0x00000000059C6000-memory.dmp

          memory/3932-138-0x0000000005A40000-0x0000000005AA6000-memory.dmp

          memory/3932-141-0x0000000006550000-0x000000000656A000-memory.dmp

          memory/3932-139-0x0000000006050000-0x000000000606E000-memory.dmp

          memory/4408-166-0x0000000000400000-0x00000000004A2000-memory.dmp

          memory/4408-168-0x0000000000400000-0x00000000004A2000-memory.dmp

          memory/4408-169-0x0000000000400000-0x00000000004A2000-memory.dmp

          memory/4408-170-0x0000000000400000-0x00000000004A2000-memory.dmp

          memory/5052-143-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/5052-144-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/5052-146-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/5052-145-0x0000000000400000-0x000000000047F000-memory.dmp

          memory/5052-164-0x0000000000400000-0x000000000047F000-memory.dmp