remcos | 213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb

Analysis

max time kernel
149s
max time network
152s
platform
windows11-21h2_x64
resource
win11-20260130-en
resource tags

arch:x64arch:x86image:win11-20260130-enlocale:en-usos:windows11-21h2-x64systemwindows
submitted
11/05/2026, 20:18

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General

Target
213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
Size 1.5MB
Sample260511-y3rl2adv5p
SHA256 213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb
MD5 5eaf9b6f5f93e9612ef51e719bc9de79
SHA1 65847f745dac8ac08df03f6c208f69adb07e2db2
SHA512 8e8aba37f7fc90be529d49b807858901d5ad60866fa42f2c9324bbdb71e03aaaa240578b2d0c59737fa3e5b53ca1397df7482d493d156913d44b3e8c9f7b98f7
SSDEEP 12288:3p+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQgScBB2aMBU/p33i:3pugRNJI1D39dlfGQrFUx9FOaB333YxL
TLSH
T1DB756CD2CA3CA583D9876C7067A8DA837C3DCFD30D505666509AF5E81AB33E4BB1482D
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
5052	sbietrcl.exe
4940	sbietrcl.exe
408	sbietrcl.exe
3080	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-1-5-21-3119821332-640943685-2562343641-1000\Software\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 5052 set thread context of 408	5052	sbietrcl.exe	82
PID 4940 set thread context of 3080	4940	sbietrcl.exe	83

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	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.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
3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
5052	sbietrcl.exe
5052	sbietrcl.exe
5052	sbietrcl.exe
5052	sbietrcl.exe
5052	sbietrcl.exe
5052	sbietrcl.exe
4940	sbietrcl.exe
4940	sbietrcl.exe
4940	sbietrcl.exe
4940	sbietrcl.exe
4940	sbietrcl.exe
4940	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
Token: SeDebugPrivilege	5052	sbietrcl.exe
Token: SeDebugPrivilege	4940	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
408	sbietrcl.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 3184 wrote to memory of 5052	3184	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe	79
PID 5052 wrote to memory of 408	5052	sbietrcl.exe	82
PID 5052 wrote to memory of 408	5052	sbietrcl.exe	82
PID 5052 wrote to memory of 408	5052	sbietrcl.exe	82
PID 5052 wrote to memory of 408	5052	sbietrcl.exe	82
PID 5052 wrote to memory of 408	5052	sbietrcl.exe	82
PID 5052 wrote to memory of 408	5052	sbietrcl.exe	82
PID 4940 wrote to memory of 3080	4940	sbietrcl.exe	83
PID 4940 wrote to memory of 3080	4940	sbietrcl.exe	83
PID 4940 wrote to memory of 3080	4940	sbietrcl.exe	83
PID 4940 wrote to memory of 3080	4940	sbietrcl.exe	83
PID 4940 wrote to memory of 3080	4940	sbietrcl.exe	83
PID 4940 wrote to memory of 3080	4940	sbietrcl.exe	83

C:\Users\Admin\AppData\Local\Temp\213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
"C:\Users\Admin\AppData\Local\Temp\213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.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:3184
- 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:5052
- - 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:408

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:4940
- 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:3080

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 1.5MB
SHA256 cccfb1dada0d9f5e475bee616e778357d2378a3b0604e187de0838bfa50ea46c
MD5 7f9596efac2879571d5a79a76e41a38c
SHA1 03969cd86676c29b9716d185aa3a846fac254957
SHA512 9cec52f21c5339afea58059e8ec9db764986eaa79dcb9d80b58f4c3c2f1fa21fe96acbadbe829c41564ed27e5458914de56c699e78231bc25ba019e96e7e6ad4
SSDEEP 12288:ip+rgRNyA55IxJ+feDOa9rZj5XqkJD0QrOod7XxlW91RRz9FQgScBB2aMBU/p33O:ipugRNJI1D39dlfGQrFUx9FOaB333Yxf
TLSH
T17E756CD2CA3CA543D9876C7067A8DA837C3DCFD30D505666509AF9E81AB33E4BB1482D
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/408-34-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/408-30-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/408-38-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/408-37-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/408-32-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3184-25-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/3184-5-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/3184-0-0x0000000075311000-0x0000000075312000-memory.dmp

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memory/3184-4-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/3184-1-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/4940-29-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/4940-44-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/5052-27-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/5052-26-0x0000000075310000-0x00000000758C1000-memory.dmp

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memory/5052-39-0x0000000075310000-0x00000000758C1000-memory.dmp

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