remcos | 3745a4fc21cdde77dde67e22f54a7cbd7b761e1b05644a1e93ec2551209ecf1d

Analysis

max time kernel
149s
max time network
148s
platform
windows11-ltsc_2024_x64
resource
win11ltsc2024-20260709-en
resource tags

arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
submitted
27/07/2026, 09:17

Sharing

Copy URL Twitter E-mail

Report Analysis Logs

General

Target
35.480,25 EUR Ödeme Dekontu.js
Size 1.2MB
Sample260727-k9eddsab86
SHA256 3745a4fc21cdde77dde67e22f54a7cbd7b761e1b05644a1e93ec2551209ecf1d
MD5 91c3a5e3842521b6957ce7db490da3af
SHA1 c02f27b7c7bb546476a165a716f9e5b0ef274570
SHA512 d2f864a59ba0639d6a89fcf04776aa27a41da592e0ed1c10c5ba630bdfc3a6ec441022d209a9ed902e36526f275b5df2a353b0f430d901761c28c595d70df394
SSDEEP 3072:YDUaFIG/cWVUtpe5iVxoDCieuUdEOsiKdIDG5FqKA3oMxoEbV7sOK5YfC7uJYjpD:+
TLSH
T12D55D77DCC29823EC2B7C629CAC78A07F95A1817321CFD4AA4D3735B9127193B4E256D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

client collection discovery execution remcos persistence rat

Malware Config

Extracted

Family

remcos

Version

7.2.6 Pro

Botnet

Client

papilawdns.duckdns.org: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-865YOU
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Extracted

Family

remcos

Botnet

Client

papilawdns.duckdns.org: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-865YOU
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Family: Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Badlisted process makes network request 1 IoCs

Network request originating from process or tool commonly abused by malware.

flow	pid	Process
7	4864	powershell.exe

Downloads MZ/PE file 1 IoCs

flow	pid	Process
7	4864	powershell.exe

Registers new Windows logon scripts automatically executed at logon. 1 TTPs 1 IoCs

persistence

Logon Script (Windows)

T1037.001

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Environment\UserInitMprLogonScript = "wscript.exe \"C:\\Users\\Admin\\AppData\\Local\\v60\\v8138.js\""	powershell.exe

Accesses Microsoft Outlook profiles 1 TTPs 2 IoCs

collection

Email Collection

T1114

description	ioc	Process
Key enumerated	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	CasPol.exe
Key opened	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	CasPol.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4864 set thread context of 3236	4864	powershell.exe	93

Command and Scripting Interpreter: JavaScript 1 TTPs
execution

JavaScript
T1059.007
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Executes a command shell one-liner 1 TTPs 1 IoCs

Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

execution

Windows Command Shell

T1059.003

pid	Process
4324	cmd.exe

System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

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

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	CasPol.exe

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
4864	powershell.exe
4864	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	4864	powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
124	conhost.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 2564 wrote to memory of 124	2564	wscript.exe	89
PID 124 wrote to memory of 4324	124	conhost.exe	90
PID 4324 wrote to memory of 4676	4324	cmd.exe	91
PID 4324 wrote to memory of 4864	4324	cmd.exe	92
PID 4864 wrote to memory of 3236	4864	powershell.exe	93
PID 4864 wrote to memory of 3236	4864	powershell.exe	93
PID 4864 wrote to memory of 3236	4864	powershell.exe	93
PID 4864 wrote to memory of 3236	4864	powershell.exe	93
PID 4864 wrote to memory of 3236	4864	powershell.exe	93
PID 4864 wrote to memory of 3236	4864	powershell.exe	93
PID 4864 wrote to memory of 3236	4864	powershell.exe	93
PID 4864 wrote to memory of 3236	4864	powershell.exe	93

outlook_office_path 1 IoCs

description	ioc	Process
Key enumerated	\REGISTRY\USER\S-1-5-21-3797332335-34111092-3597280141-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook	CasPol.exe

C:\Windows\system32\wscript.exe
wscript.exe "C:\Users\Admin\AppData\Local\Temp\35.480,25 EUR Ödeme Dekontu.js"
1⤵
- Suspicious use of WriteProcessMemory
PID:2564
- C:\Windows\System32\conhost.exe
  "C:\Windows\System32\conhost.exe" cmd.exe /c "echo iex($env:LQCACQvDnjWwgkn)| powershell.exe -W h -NoP -nONI -"
  2⤵
  - Suspicious use of SetWindowsHookEx
  - Suspicious use of WriteProcessMemory
  PID:124
- - C:\Windows\System32\cmd.exe
    cmd.exe /c "echo iex($env:LQCACQvDnjWwgkn)| powershell.exe -W h -NoP -nONI -"
    3⤵
    - Executes a command shell one-liner
    - Suspicious use of WriteProcessMemory
    PID:4324
  - - C:\Windows\system32\cmd.exe
      C:\Windows\system32\cmd.exe /S /D /c" echo iex($env:LQCACQvDnjWwgkn)"
      4⤵
      PID:4676
  - - C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell.exe -W h -NoP -nONI -
      4⤵
      Badlisted process makes network request
      Downloads MZ/PE file
      Registers new Windows logon scripts automatically executed at logon.
      Suspicious use of SetThreadContext
      Suspicious behavior: EnumeratesProcesses
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of WriteProcessMemory
      PID:4864
    - - C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\CasPol.exe
        5⤵
        Accesses Microsoft Outlook profiles
        System Location Discovery: System Language Discovery
        outlook_office_path
        
        PID:3236

Network

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

JavaScript

T1059.007

Windows Command Shell

T1059.003

Persistence

Boot or Logon Initialization Scripts

T1037

Logon Script (Windows)

T1037.001

Privilege Escalation

Boot or Logon Initialization Scripts

T1037

Logon Script (Windows)

T1037.001

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Email Collection

T1114

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/3236-34-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-21-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Download

memory/3236-47-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-48-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-44-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-43-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-42-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-41-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-40-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-28-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-27-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-39-0x0000000010000000-0x00000000100F7000-memory.dmp

Download

memory/3236-38-0x0000000010000000-0x00000000100F7000-memory.dmp

Download

memory/3236-36-0x0000000010000000-0x00000000100F7000-memory.dmp

Download

memory/3236-33-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-32-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-31-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-30-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/3236-20-0x0000000000F00000-0x0000000000F8D000-memory.dmp

Download

memory/4864-12-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-15-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-29-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-4-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-16-0x000001C37F390000-0x000001C37F3EA000-memory.dmp

Download

memory/4864-19-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-18-0x000001C300000000-0x000001C300010000-memory.dmp

Download

memory/4864-17-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-0-0x00007FFC1245F000-0x00007FFC12460000-memory.dmp

Download

memory/4864-11-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-14-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-13-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-10-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-9-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-8-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-7-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-6-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-5-0x00007FFC122D0000-0x00007FFC12C74000-memory.dmp

Download

memory/4864-3-0x000001C37F2E0000-0x000001C37F302000-memory.dmp

Download