Analysis

  • max time kernel
    147s
  • max time network
    147s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    07/02/2025, 05:02

General

  • Target

    76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe

  • Size

    1.0MB

  • MD5

    725d50e3d1d33e570efef92c4f72dd1c

  • SHA1

    059a6d565986ab372f99a7e86ea612aad3c6e190

  • SHA256

    76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8

  • SHA512

    1b9ee427dc492b9451ae4530f0e234bcc9002df681351591da14102d9464ca99f07678f8fbf3d82dd8deaccc42d2f318ab1b40256e25098a51ff1484280a3cf9

  • SSDEEP

    24576:JhNsRGf7gedBIuxEi6Vm0oGLyMryTptU242bY96DVjaFF:JXsleXIoA4eLyXt5k6ZjoF

Malware Config

Extracted

Family

remcos

Botnet

MONDAY454

C2

sungito333.ddns.net:5590

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-R5Q1RM

  • 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 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 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 8 IoCs

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

  • 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 4 IoCs
  • Suspicious behavior: MapViewOfSection 3 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 38 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
    "C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2704
    • 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\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2584
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Roaming\cORjjxAPNjnQU.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2696
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\cORjjxAPNjnQU" /XML "C:\Users\Admin\AppData\Local\Temp\tmp86BD.tmp"
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:2672
    • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
      "C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe"
      2⤵
      • Suspicious use of SetThreadContext
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:736
      • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
        C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe /stext "C:\Users\Admin\AppData\Local\Temp\vtnmwzwpojhiapzidrsodh"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        PID:672
      • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
        C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe /stext "C:\Users\Admin\AppData\Local\Temp\gvsfwrhrcravcdvmvcnpomudi"
        3⤵
        • Accesses Microsoft Outlook accounts
        • System Location Discovery: System Language Discovery
        PID:2904
      • C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe
        C:\Users\Admin\AppData\Local\Temp\76a9a68e8da599c81f44d2a43fb4fe5e5e4d2e6c5881ccf775ecd665c16939d8.exe /stext "C:\Users\Admin\AppData\Local\Temp\qpxpxkslqzsanjjqenarrzguqgdm"
        3⤵
        • System Location Discovery: System Language Discovery
        • Suspicious use of AdjustPrivilegeToken
        PID:1904

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\ProgramData\remcos\logs.dat

    Filesize

    144B

    MD5

    e1a11a019d637555536f0b0054dc4b50

    SHA1

    32295172ccff1fc67295db7b49be5f87f1a3a51a

    SHA256

    5cef9a74bc00c6831e3708c2667005a47c1cc609d4f05e094ae295c94a8300ea

    SHA512

    5a97e5aed77f67a0562c9a680bef4fbe269a27c3b3ac190851c0f5dcd984e9ba3c37aa8990f450d8f131393edbf26bab646e8b6fdae89ac431e55225fdcd954b

  • C:\Users\Admin\AppData\Local\Temp\tmp86BD.tmp

    Filesize

    1KB

    MD5

    27ab5321265820911edd23fe0e4c7b1a

    SHA1

    c1c0a87bcbb77605c47ebdebecd43797bbf45383

    SHA256

    46d3cf6dd49d6a7a338e473dcb46c8bea3c2c5cabfd3bd57bbdf6d13a22c83cb

    SHA512

    53e4f135b42b0a69d143dba566398b129b1f287f4fea78d4112ace5c87b56a2f98613b706c80b1fc82cfe3ccf69c5a4bb0fbbdd71a1a75d631ee912d9f969d15

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

    Filesize

    2B

    MD5

    f3b25701fe362ec84616a93a45ce9998

    SHA1

    d62636d8caec13f04e28442a0a6fa1afeb024bbb

    SHA256

    b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

    SHA512

    98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

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

    Filesize

    7KB

    MD5

    53616cf21b1823f877b5705a0bb14d23

    SHA1

    c6ea5691071f0c434731a0ed11d1859f79ac8967

    SHA256

    6035de93fdc22f6a38ef567d6d837796e26c1e9ce2515382643840fb0854c7ff

    SHA512

    c2e57929339a629cf17430ad28557bedaa7f723ceec4cae2969dbdb9571b2e54e4b5f01aa0884fbc1ba1155caf8fd8f164dea39973794cd49a1fac3f19173a86

  • memory/672-51-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/672-47-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/672-48-0x0000000000400000-0x0000000000478000-memory.dmp

    Filesize

    480KB

  • memory/736-34-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-39-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-19-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-29-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-98-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-91-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-37-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-33-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-27-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-32-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-25-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-24-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-21-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-64-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/736-31-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

    Filesize

    4KB

  • memory/736-41-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-40-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-42-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-43-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-90-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-82-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-74-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-75-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-69-0x0000000000400000-0x0000000000480000-memory.dmp

    Filesize

    512KB

  • memory/736-67-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/736-68-0x0000000010000000-0x0000000010019000-memory.dmp

    Filesize

    100KB

  • memory/1904-56-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1904-54-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/1904-55-0x0000000000400000-0x0000000000424000-memory.dmp

    Filesize

    144KB

  • memory/2704-1-0x0000000001250000-0x0000000001358000-memory.dmp

    Filesize

    1.0MB

  • memory/2704-4-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2704-3-0x0000000000930000-0x000000000094E000-memory.dmp

    Filesize

    120KB

  • memory/2704-2-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-5-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-6-0x0000000000860000-0x0000000000924000-memory.dmp

    Filesize

    784KB

  • memory/2704-38-0x0000000074D70000-0x000000007545E000-memory.dmp

    Filesize

    6.9MB

  • memory/2704-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

    Filesize

    4KB

  • memory/2904-57-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2904-52-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB

  • memory/2904-50-0x0000000000400000-0x0000000000462000-memory.dmp

    Filesize

    392KB