Analysis

  • max time kernel
    149s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    08-01-2025 12:24

General

  • Target

    7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe

  • Size

    947KB

  • MD5

    b10dbc0225aac52e8ee344602847a3cc

  • SHA1

    4bedc08167e1f21c85593c730e29d10036e0b219

  • SHA256

    7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8

  • SHA512

    579827dda319cbf9edb3d9955f27e68952f4587d73166192a68ff8609032465d892c6f08e4b19454b24c27c4cce6ddb56fce2e7df3121458c4d1f7c78d5e6156

  • SSDEEP

    24576:Pf5eTij5iglZLSD2fhawjyCcT4L3CbY5O+eB:X5CU5PlZLm2fhDcTBbY5O+eB

Malware Config

Extracted

Family

remcos

Botnet

Remco

C2

87.120.116.245:2404

Attributes
  • audio_folder

    MicRecords

  • audio_path

    ApplicationPath

  • 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-0PJCBG

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screenshots

  • screenshot_path

    %AppData%

  • screenshot_time

    10

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • Remcos family
  • Detected Nirsoft tools 3 IoCs

    Free utilities often used by attackers which can steal passwords, product keys, etc.

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 6 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 3 IoCs
  • Suspicious behavior: MapViewOfSection 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 34 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
    "C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3060
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2072
    • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
      "C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of WriteProcessMemory
      PID:2140
      • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
        C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe /stext "C:\Users\Admin\AppData\Local\Temp\pctyfokzjqcjooeekgmm"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:3016
      • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
        C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe /stext "C:\Users\Admin\AppData\Local\Temp\zwyqyydsxyuozcsqujhnvvt"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2004
      • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
        C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe /stext "C:\Users\Admin\AppData\Local\Temp\jzdjzroulgmtbiouluupgioqeo"
        3⤵
          PID:1608
        • C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe
          C:\Users\Admin\AppData\Local\Temp\7a12e9a93cb32e622b05613c160fbbfae2d379f5c255bfca02eb1b54fe1a78a8.exe /stext "C:\Users\Admin\AppData\Local\Temp\jzdjzroulgmtbiouluupgioqeo"
          3⤵
          • System Location Discovery: System Language Discovery
          • Suspicious use of AdjustPrivilegeToken
          PID:1876

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • C:\Users\Admin\AppData\Local\Temp\pctyfokzjqcjooeekgmm

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/1876-62-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/1876-61-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/1876-60-0x0000000000400000-0x0000000000424000-memory.dmp

      Filesize

      144KB

    • memory/2004-58-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2004-56-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2004-55-0x0000000000400000-0x0000000000462000-memory.dmp

      Filesize

      392KB

    • memory/2140-25-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-44-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-20-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-23-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-26-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-27-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-28-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-77-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-21-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2140-15-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-13-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-11-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-76-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-17-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-9-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-30-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-31-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-32-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-37-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-38-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-39-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-40-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-41-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-42-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-43-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-75-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-45-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-46-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-47-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-48-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-49-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-50-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-74-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-73-0x0000000000400000-0x000000000047F000-memory.dmp

      Filesize

      508KB

    • memory/2140-71-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/2140-72-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/2140-68-0x0000000010000000-0x0000000010019000-memory.dmp

      Filesize

      100KB

    • memory/3016-53-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/3016-52-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/3016-51-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/3016-57-0x0000000000400000-0x0000000000478000-memory.dmp

      Filesize

      480KB

    • memory/3060-3-0x0000000000970000-0x0000000000988000-memory.dmp

      Filesize

      96KB

    • memory/3060-1-0x0000000000DE0000-0x0000000000ED2000-memory.dmp

      Filesize

      968KB

    • memory/3060-6-0x00000000009E0000-0x00000000009EE000-memory.dmp

      Filesize

      56KB

    • memory/3060-7-0x00000000009F0000-0x0000000000A06000-memory.dmp

      Filesize

      88KB

    • memory/3060-2-0x0000000074260000-0x000000007494E000-memory.dmp

      Filesize

      6.9MB

    • memory/3060-5-0x0000000074260000-0x000000007494E000-memory.dmp

      Filesize

      6.9MB

    • memory/3060-4-0x000000007426E000-0x000000007426F000-memory.dmp

      Filesize

      4KB

    • memory/3060-8-0x0000000005130000-0x00000000051F2000-memory.dmp

      Filesize

      776KB

    • memory/3060-29-0x0000000074260000-0x000000007494E000-memory.dmp

      Filesize

      6.9MB

    • memory/3060-0-0x000000007426E000-0x000000007426F000-memory.dmp

      Filesize

      4KB