remcos | cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f

Analysis

max time kernel
58s
max time network
16s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
03/05/2026, 20:30

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General

Target
cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
Size 1.6MB
Sample260503-zaangsb16p
SHA256 cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f
MD5 2b55dd0dd259c52558fe136607eded89
SHA1 d4bc333a8b3338cfdd17d27f05229b9c7abcbd1b
SHA512 d9d3027d99178e155c988dc156584d4f7912ec5aefed1c4eca1c7b460ffc9c49dd7e36fbb94ae535df16ce6a9087803ea9aabb5927b45ccc8d4376a9d4c1040b
SSDEEP 12288:op+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQgScBBEaBO4ovauZ:opugRNJI1D39dlfGQrFUx9FOz4oyjQP
TLSH
T11F756BC6CA7CA583D9876D7067A8DA837C3DCFD30D505626509AF4E81AB33E4BB1482D
MD5 SHA1 SHA512 SSDEEP TLSH

Score

10^/10

host discovery remcos 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

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

Executes dropped EXE 4 IoCs

pid	Process
3000	sbietrcl.exe
2960	sbietrcl.exe
2756	sbietrcl.exe
4324	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-1-5-21-1383858298-2057492509-1726743289-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 3000 set thread context of 2756	3000	sbietrcl.exe	83
PID 2960 set thread context of 4324	2960	sbietrcl.exe	84

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 4 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	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.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 18 IoCs

pid	Process
3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
3000	sbietrcl.exe
3000	sbietrcl.exe
3000	sbietrcl.exe
3000	sbietrcl.exe
3000	sbietrcl.exe
3000	sbietrcl.exe
2960	sbietrcl.exe
2960	sbietrcl.exe
2960	sbietrcl.exe
2960	sbietrcl.exe
2960	sbietrcl.exe
2960	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
Token: SeDebugPrivilege	3000	sbietrcl.exe
Token: SeDebugPrivilege	2960	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2756	sbietrcl.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3652 wrote to memory of 3000	3652	cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe	81
PID 3000 wrote to memory of 2756	3000	sbietrcl.exe	83
PID 3000 wrote to memory of 2756	3000	sbietrcl.exe	83
PID 3000 wrote to memory of 2756	3000	sbietrcl.exe	83
PID 3000 wrote to memory of 2756	3000	sbietrcl.exe	83
PID 3000 wrote to memory of 2756	3000	sbietrcl.exe	83
PID 3000 wrote to memory of 2756	3000	sbietrcl.exe	83
PID 2960 wrote to memory of 4324	2960	sbietrcl.exe	84
PID 2960 wrote to memory of 4324	2960	sbietrcl.exe	84
PID 2960 wrote to memory of 4324	2960	sbietrcl.exe	84
PID 2960 wrote to memory of 4324	2960	sbietrcl.exe	84
PID 2960 wrote to memory of 4324	2960	sbietrcl.exe	84
PID 2960 wrote to memory of 4324	2960	sbietrcl.exe	84

C:\Users\Admin\AppData\Local\Temp\cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe
"C:\Users\Admin\AppData\Local\Temp\cd6ce81a70bc1bbf0d82bfa8c767a268ae0a810d85c63a1f8eaa8494f1da974f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3652
- 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:3000
- - 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:2756

C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
1⤵
- 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:2960
- C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
  "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
  2⤵
  - Executes dropped EXE
  PID:4324

Network

MITRE ATT&CK Enterprise v16

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

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

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Downloads

sbietrcl.exe.log

Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v2.0_32\UsageLogs\sbietrcl.exe.log
Size 400B
SHA256 c4c6e7ef90b460bf232e55933594a95ba4a2d156fa5accb06d1c7c2f817fcf35
MD5 120bfac9d59228edf92ec26d4bbfaf9e
SHA1 bc36d828b7f358671ef0cb934c4ab2fdfb02b447
SHA512 684f086ff7d41d85782b21f5bc7e79584f5866f3c06eabbca2c5a697c1d142aa81e0dc25c78be978ba67e9e6fc014f3b62d1da114dc1bb009c7637491a619137
TLSH
T196E06830322298C80D201B040800BFCA62EF071A7BA8DF1C5A55034DEE2A453EB016E7
MD5 SHA1 SHA512 TLSH

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sbietrcl.exe

Path C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
Size 1.6MB
SHA256 9c3a1de7e4aad4acd03b7836e8271e56bd49c059b92207ac5bdc24bdfdce1679
MD5 08363c6fc1462f0de49da361c463fe99
SHA1 f1f2c9a35f42c376f1d60bc1c75867e62f261313
SHA512 4b86dbab04ad057001bea056262452847831bb5c6c7bd53063f261db34342c86a877a6af48afe7cd21b34b3c3e29f56cf5f26364a17e97898938da66d69f0fda
SSDEEP 12288:0p+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQgScBBEaBO4ovauB:0pugRNJI1D39dlfGQrFUx9FOz4oyjQz
TLSH
T178756BD6CA3CA583D9876D7067A8DA837C3DCFD30D505626509AF4E81AB33E4BB1482D
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/2756-32-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2756-50-0x0000000001530000-0x00000000015AB000-memory.dmp

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memory/2756-40-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2756-35-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2756-38-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2756-34-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/2960-31-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/2960-30-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/2960-47-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/2960-46-0x0000000000B40000-0x0000000000BBB000-memory.dmp

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memory/3000-27-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/3000-42-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/3000-41-0x0000000001210000-0x000000000128B000-memory.dmp

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memory/3652-5-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/3652-25-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/3652-28-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/3652-4-0x0000000074FE0000-0x0000000075591000-memory.dmp

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memory/3652-26-0x0000000000B60000-0x0000000000BDB000-memory.dmp

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memory/3652-0-0x0000000074FE1000-0x0000000074FE2000-memory.dmp

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memory/3652-1-0x0000000074FE0000-0x0000000075591000-memory.dmp

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