Overview

overview

10

Static

static

5

2c9e0f36dc...38.exe

windows7-x64

10

2c9e0f36dc...38.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    143s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27-01-2025 09:33

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General

  • Target

    2c9e0f36dceb0c4a806dc23512747ee70a487fce3ad4a38474ea31f321e0f438.exe

  • Size

    1.1MB

  • MD5

    4a68fcc65f2114cf8127638deef5556c

  • SHA1

    887de09e6250980552c8755e8a6b1c7837befc9c

  • SHA256

    2c9e0f36dceb0c4a806dc23512747ee70a487fce3ad4a38474ea31f321e0f438

  • SHA512

    c532ab47ca926212691262b829eb911644449d9f0e37d5f6b37d0703ab07e6abe61a7488820151cad176eb854b92ab5c7445c0bc8dc676332dda8ecb527f1767

  • SSDEEP

    24576:1u6J33O0c+JY5UZ+XC0kGso6FakCsU4yYhK3x9uZ3WYN:Xu0c++OCvkGs9Fak4BYN

Score
10/10
remcosremotehostdiscoverypersistencerat

Malware Config

Extracted

Family

remcos

Version

2.2.0 Pro

Botnet

RemoteHost

C2

185.217.1.142:3337

Attributes
  • audio_folder

    MicRecords

  • audio_path

    %AppData%

  • audio_record_time

    5

  • connect_delay

    0

  • connect_interval

    3

  • copy_file

    remcos.exe

  • copy_folder

    remcos

  • delete_file

    true

  • hide_file

    false

  • hide_keylog_file

    false

  • install_flag

    true

  • install_path

    %AppData%

  • keylog_crypt

    false

  • keylog_file

    logs.dat

  • keylog_flag

    false

  • keylog_folder

    remcos

  • keylog_path

    %AppData%

  • mouse_option

    false

  • mutex

    Remcos-VBI2IL

  • 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

Signatures

  • Modifies WinLogon for persistence 2 TTPs 4 IoCs
    persistence
  • Remcos

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

    ratremcos
  • Remcos family
    remcos
  • Checks computer location settings 2 TTPs 7 IoCs

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

  • Executes dropped EXE 6 IoCs
  • Adds Run key to start application 2 TTPs 4 IoCs
    persistence
  • Modifies WinLogon 2 TTPs 4 IoCs
    persistence
  • AutoIT Executable 1 IoCs

    AutoIT scripts compiled to PE executables.

  • 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 15 IoCs

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

    discovery
  • Modifies registry class 4 IoCs
  • Scheduled Task/Job: Scheduled Task 1 TTPs 3 IoCs

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

    persistenceexecution
  • Suspicious use of WriteProcessMemory 41 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2c9e0f36dceb0c4a806dc23512747ee70a487fce3ad4a38474ea31f321e0f438.exe
    "C:\Users\Admin\AppData\Local\Temp\2c9e0f36dceb0c4a806dc23512747ee70a487fce3ad4a38474ea31f321e0f438.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1488
    • C:\Users\Admin\AppData\Local\Temp\2c9e0f36dceb0c4a806dc23512747ee70a487fce3ad4a38474ea31f321e0f438.exe
      "C:\Users\Admin\AppData\Local\Temp\2c9e0f36dceb0c4a806dc23512747ee70a487fce3ad4a38474ea31f321e0f438.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1752
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2860
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:4392
  • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3968
    • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
      "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:4696
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:3964
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:736
  • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    1⤵
    • Checks computer location settings
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3940
    • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
      "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1088
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4376
    • C:\Windows\SysWOW64\schtasks.exe
      "C:\Windows\SysWOW64\schtasks.exe" /create /tn cttunesvr /tr "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe" /sc minute /mo 1 /F
      2⤵
      • System Location Discovery: System Language Discovery
      • Scheduled Task/Job: Scheduled Task
      PID:3780
  • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    1⤵
    • Executes dropped EXE
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2520
    • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
      "C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe"
      2⤵
      • Modifies WinLogon for persistence
      • Checks computer location settings
      • Executes dropped EXE
      • Adds Run key to start application
      • Modifies WinLogon
      • System Location Discovery: System Language Discovery
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:2708
      • C:\Windows\SysWOW64\WScript.exe
        "C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\install.vbs"
        3⤵
        • System Location Discovery: System Language Discovery
        PID:2928

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Users\Admin\AppData\Local\Temp\install.vbs
    Filesize

    658B

    MD5

    54bbf69c324766b5db417c0bad786f2e

    SHA1

    e9357ddbbd4cd7382388f8c33ecc85051ca81767

    SHA256

    9e85a82526dd6cef4946c19c81e9ddd3fac5fd031c971b358d1b5ee757f93222

    SHA512

    e79cb47cbcc09e4d4777fe07f61f30e2ba0feb84bb269119d74a2ff50766f330383446c7c1189f724d43ddc1c99494d458ef243af6efeec5cd3f2fdb1e39228e

    Download Submit

  • C:\Users\Admin\AppData\Local\Temp\install.vbs
    Filesize

    564B

    MD5

    e221e7bd7e33aef4a5264f798818142e

    SHA1

    3545dbcc35de80c8f15da0daceab80acd0f1ae22

    SHA256

    f37e43a3504c163fa4a82bacc92ceb8cccd37d1020fbba95cc954f316ce49516

    SHA512

    04775d0fa21526bbbaa2deea13af1d5fab6183ea3a2809073539293da78e20f1cf4b9a4afdeafb1b4e8ce17a5be40f44364808ab73c174c98bce53ad8a1807d8

    Download Submit

  • C:\Users\Admin\AppData\Roaming\adprovider\Dxpserver.exe
    Filesize

    1.1MB

    MD5

    da3f70714c9e7a8f27c3bf6e26f6c5f3

    SHA1

    00042f776508afc47e569de69516bc70e6548150

    SHA256

    6dc41423d4134a2f9dea758f3df827293de0970f5d258c6e4c561a33ad211355

    SHA512

    1cfe5592f8eee347a367f51e64e0161b923b769b3833456785abb34f1a8cb025b129c314a4dfffc56d17a88884f9722b2f4c93450c2f55db511ec9292105c008

    Download Submit

  • memory/1088-32-0x0000000000AA0000-0x0000000000AC0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/1088-39-0x0000000000AA0000-0x0000000000AC0000-memory.dmp

    Filesize

    128KB

    Download

  • memory/1488-0-0x0000000001750000-0x0000000001751000-memory.dmp

    Filesize

    4KB

    Download

  • memory/1752-1-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download

  • memory/1752-8-0x0000000000400000-0x0000000000420000-memory.dmp

    Filesize

    128KB

    Download