remcos | a1ddae9574bbeadd40b789fc8c7719b47c0d4bd8ed93abbd1d07f7e866ac40a6

Analysis

max time kernel
140s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20250314-en
resource tags

arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system
submitted
22/03/2025, 06:14

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
Size

1.7MB
MD5

2969ba68d7cb777ee4d1d94e3ca26b2e
SHA1

25b6ec11226afa942f8468d291a3989860acc934
SHA256

98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed
SHA512

3069d2eb6c2c6e907908de56470e89858757966f785fcaf77f8fa1b37f5b69f97778b5f9764d8bfbbe99031c3a859355457f54e2350173fda80f2cb0e3e45e77
SSDEEP

24576:0D39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPjoI1:0p7E+QrFUBgq2d1

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

213.183.58.19:4000

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
true
install_flag
false
install_path
%AppData%
keylog_crypt
true
keylog_file
read.dat
keylog_flag
false
keylog_folder
CastC
keylog_path
%AppData%
mouse_option
false
mutex
remcos_sccafsoidz
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.
rat remcos
Remcos family
remcos

Checks computer location settings 2 TTPs 1 IoCs

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

Query Registry

T1012

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\Control Panel\International\Geo\Nation	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe

Executes dropped EXE 2 IoCs

pid	Process
2372	sbietrcl.exe
316	sbietrcl.exe

Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
spyware stealer

Data from Local System
T1005

Credentials In Files
T1552.001

Credentials from Web Browsers
T1555.003

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-805952410-2104024357-1716932545-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2372 set thread context of 316	2372	sbietrcl.exe	95

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

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 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	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
2372	sbietrcl.exe
2372	sbietrcl.exe
2372	sbietrcl.exe
2372	sbietrcl.exe
2372	sbietrcl.exe
2372	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
Token: SeDebugPrivilege	2372	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
316	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3584 wrote to memory of 2372	3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe	93
PID 3584 wrote to memory of 2372	3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe	93
PID 3584 wrote to memory of 2372	3584	98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe	93
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95
PID 2372 wrote to memory of 316	2372	sbietrcl.exe	95

C:\Users\Admin\AppData\Local\Temp\98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe
"C:\Users\Admin\AppData\Local\Temp\98d8bede7463eab3906d2bef4f619e0d387b872d36bc41df635c0458a9c87bed.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3584
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  - Suspicious use of SetThreadContext
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2372
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    - System Location Discovery: System Language Discovery
    - Suspicious use of SetWindowsHookEx
    PID:316

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Credentials from Password Stores

T1555

Credentials from Web Browsers

T1555.003

Unsecured Credentials

T1552

Credentials In Files

T1552.001

Discovery

Query Registry

T1012

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Data from Local System

T1005

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.7MB

MD5
123b1c5ee7cfb1bf872214030268f526

SHA1
f505749a6b21f3a57852b7d147f8a0a8d2c83d01

SHA256
52a8288af2b7ce21ff0ec1fb988e86ccef855ffd0bc8bb94fadeadc372a69024

SHA512
af1918c4f92129dbe5814d25b2b97d78e45aea3dd8fda18a4d09cc67f87acf1e0ff7d12e4321eeccc021745d595fd1175360999db00f3cad9af750b636da5c05

Download Submit
memory/316-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/316-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/316-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/316-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/316-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/316-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/316-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2372-44-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/2372-29-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/2372-30-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/2372-32-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/2372-31-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3584-28-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3584-17-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3584-0-0x0000000074672000-0x0000000074673000-memory.dmp

Filesize
4KB

Download
memory/3584-16-0x0000000074672000-0x0000000074673000-memory.dmp

Filesize
4KB

Download
memory/3584-4-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3584-3-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3584-2-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download
memory/3584-1-0x0000000074670000-0x0000000074C21000-memory.dmp

Filesize
5.7MB

Download