Analysis

  • max time kernel
    145s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    01-07-2024 04:43

General

  • Target

    e-Payment.NET.CMS4006975815.exe

  • Size

    753KB

  • MD5

    b16699f8fd5e68de16d8904ec7cd3ed2

  • SHA1

    45fac6b1832fad2fef90e1064ab4e78e0b164737

  • SHA256

    d21d0451a7a8b112776118d88154bf7eab2703b13bf6ae1dcaec2f959bf42305

  • SHA512

    65f6a8a1899caab9aa2f120f880736b92617e9ad0f8c033c0f7c194d3e0a51cd90ea98f5c63beb6be213689cad74af7630360e0c882b8a0bfc2d7040943b5297

  • SSDEEP

    12288:ArwE8GILjWLWg7DTBCZrWvGYjS/9ofzvOW4J9gAlMTAq9Ys2D485eP4sSEAmD:tc7vB2AS/9c2WkgAwAq2s0N5e6

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

banksy

C2

62.102.148.166:3319

Attributes
  • audio_folder

    audio

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    5

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    false

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    false

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    egsy

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    remcos_rpklfmytvo

  • screenshot_crypt

    false

  • screenshot_flag

    false

  • screenshot_folder

    Screens

  • screenshot_path

    %AppData%

  • screenshot_time

    1

  • startup_value

    remcos

  • take_screenshot_option

    false

  • take_screenshot_time

    5

Signatures

  • Remcos

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

  • NirSoft MailPassView 1 IoCs

    Password recovery tool for various email clients

  • Nirsoft 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

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

  • Reads user/profile data of web browsers 2 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).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

  • Suspicious behavior: EnumeratesProcesses 17 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 49 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe
    "C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2192
    • 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\e-Payment.NET.CMS4006975815.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2536
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\JXHPwNYzysUjKo.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2504
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\JXHPwNYzysUjKo" /XML "C:\Users\Admin\AppData\Local\Temp\tmp82B7.tmp"
      2⤵
      • Scheduled Task/Job: Scheduled Task
      PID:2412
    • C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe
      "C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:2136
      • C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe
        C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe /stext "C:\Users\Admin\AppData\Local\Temp\szah"
        3⤵
        • Suspicious behavior: EnumeratesProcesses
        PID:1452
      • C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe
        C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe /stext "C:\Users\Admin\AppData\Local\Temp\ubnrpwmk"
        3⤵
        • Suspicious use of AdjustPrivilegeToken
        PID:860
      • C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe
        C:\Users\Admin\AppData\Local\Temp\e-Payment.NET.CMS4006975815.exe /stext "C:\Users\Admin\AppData\Local\Temp\fvskpowecsp"
        3⤵
        • Accesses Microsoft Outlook accounts
        PID:2012

Network

MITRE ATT&CK Matrix ATT&CK v13

Execution

Command and Scripting Interpreter

1
T1059

PowerShell

1
T1059.001

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Credential Access

Unsecured Credentials

1
T1552

Credentials In Files

1
T1552.001

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

1
T1005

Email Collection

1
T1114

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\Local\Temp\tmp82B7.tmp
    Filesize

    1KB

    MD5

    f54dbb156d77297cba9a0bbbbef1dfe6

    SHA1

    7d2e0021ae18b757b2cddf4955fa3456b0a32d30

    SHA256

    b4c83c01cca64f4dc9fbaadd883ca543153a86c452651110ddc9e91a59b80b7a

    SHA512

    f4647c64e431f13c0a0defa63fa5e3a2c043c7d0bb573fe733950acabe781ceeee1d3dc0b44b731fb1ea863c21a3ce893beb5a83454db58822dfe7450e4decd6

  • C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\d93f411851d7c929.customDestinations-ms
    Filesize

    7KB

    MD5

    dbbec63278cfde6b0163ebea13dc0242

    SHA1

    2bdfe9de94fa6bf7d83924df43602525d0fc4e9d

    SHA256

    08caf841ef6b863e2c118aadb7010381dad805cf5493b7dee71fd743ae62caee

    SHA512

    5c69f633def7d2f1af92815a6cbfd566239b6a8c85c85a1236d041fd59772d2048379bb48e05ba5653baec0b1954f08b07e5cb6981d9a4a56e4a5d7f515aee56

  • memory/860-66-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/860-54-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/860-57-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/860-59-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/860-61-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/860-63-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/860-64-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/860-65-0x0000000000400000-0x0000000000424000-memory.dmp
    Filesize

    144KB

  • memory/1452-53-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1452-46-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1452-55-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1452-44-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1452-50-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1452-67-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/1452-48-0x0000000000400000-0x0000000000457000-memory.dmp
    Filesize

    348KB

  • memory/2012-70-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2012-79-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2012-68-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2012-72-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2012-74-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2012-77-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2012-78-0x0000000000400000-0x000000000041E000-memory.dmp
    Filesize

    120KB

  • memory/2136-22-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-41-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-33-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-85-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-84-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-82-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-20-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-31-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-43-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-30-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
    Filesize

    4KB

  • memory/2136-42-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-38-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-37-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-32-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-25-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-81-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-26-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-28-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2136-80-0x0000000000400000-0x0000000000417000-memory.dmp
    Filesize

    92KB

  • memory/2192-36-0x0000000074500000-0x0000000074BEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2192-2-0x0000000074500000-0x0000000074BEE000-memory.dmp
    Filesize

    6.9MB

  • memory/2192-3-0x0000000000460000-0x0000000000470000-memory.dmp
    Filesize

    64KB

  • memory/2192-1-0x0000000000800000-0x00000000008C2000-memory.dmp
    Filesize

    776KB

  • memory/2192-4-0x0000000000700000-0x000000000070C000-memory.dmp
    Filesize

    48KB

  • memory/2192-0-0x000000007450E000-0x000000007450F000-memory.dmp
    Filesize

    4KB

  • memory/2192-5-0x00000000043C0000-0x0000000004420000-memory.dmp
    Filesize

    384KB

  • memory/2192-6-0x000000007450E000-0x000000007450F000-memory.dmp
    Filesize

    4KB

  • memory/2192-7-0x0000000074500000-0x0000000074BEE000-memory.dmp
    Filesize

    6.9MB