remcos | 213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb

Analysis

max time kernel
149s
max time network
149s
platform
windows10-2004_x64
resource
win10v2004-20260130-en
resource tags

arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-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

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-1-5-21-2714754311-527593155-1440850301-1000\Control Panel\International\Geo\Nation	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe

Executes dropped EXE 4 IoCs

pid	Process
828	sbietrcl.exe
4460	sbietrcl.exe
3940	sbietrcl.exe
4124	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-1-5-21-2714754311-527593155-1440850301-1000\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 828 set thread context of 3940	828	sbietrcl.exe	88
PID 4460 set thread context of 4124	4460	sbietrcl.exe	89

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	sbietrcl.exe
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

Suspicious behavior: EnumeratesProcesses 18 IoCs

pid	Process
1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
828	sbietrcl.exe
828	sbietrcl.exe
828	sbietrcl.exe
828	sbietrcl.exe
828	sbietrcl.exe
828	sbietrcl.exe
4460	sbietrcl.exe
4460	sbietrcl.exe
4460	sbietrcl.exe
4460	sbietrcl.exe
4460	sbietrcl.exe
4460	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 3 IoCs

description	pid	Process
Token: SeDebugPrivilege	1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
Token: SeDebugPrivilege	828	sbietrcl.exe
Token: SeDebugPrivilege	4460	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3940	sbietrcl.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 1680 wrote to memory of 828	1680	213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe	83
PID 828 wrote to memory of 3940	828	sbietrcl.exe	88
PID 828 wrote to memory of 3940	828	sbietrcl.exe	88
PID 828 wrote to memory of 3940	828	sbietrcl.exe	88
PID 828 wrote to memory of 3940	828	sbietrcl.exe	88
PID 828 wrote to memory of 3940	828	sbietrcl.exe	88
PID 828 wrote to memory of 3940	828	sbietrcl.exe	88
PID 4460 wrote to memory of 4124	4460	sbietrcl.exe	89
PID 4460 wrote to memory of 4124	4460	sbietrcl.exe	89
PID 4460 wrote to memory of 4124	4460	sbietrcl.exe	89
PID 4460 wrote to memory of 4124	4460	sbietrcl.exe	89
PID 4460 wrote to memory of 4124	4460	sbietrcl.exe	89
PID 4460 wrote to memory of 4124	4460	sbietrcl.exe	89

C:\Users\Admin\AppData\Local\Temp\213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.exe
"C:\Users\Admin\AppData\Local\Temp\213e2a44bb3005063ef28853ee7852fd7adf937e67ba366dd5753031b44422eb.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:1680
- 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:828
- - 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:3940

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:4460
- 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:4124

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

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

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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 c7effe9cb81a70d738dee863991afefab040290d4c4b78b4202383bcb9f88fcd
MD5 0a9b4592cd49c3c21f6767c2dabda92f
SHA1 f534297527ae5ccc0ecb2221ddeb8e58daeb8b74
SHA512 6b878df474e5bbfb8e9e265f15a76560c2ef151dcebc6388c82d7f6f86ffaf83f5ade5a09f1842e493cb6c8fd63b0b88d088c728fd725f7139f965a5ee332307
TLSH
T168E06830322298D80D201A000800BFCA56EF471A7BA8DF2C5A5A134DFE2A487EB016F7
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 56ac0d8ceeeb1e689f166e4d822458c180fc3ef78d58ec7c4c2d124cf8a78a75
MD5 1383f2af3767656aff0fef05293e987d
SHA1 c5c482516ceaade03c1c78bfb01f7db89de014ab
SHA512 d259b1b90387becac6a78515fc4cfff49ff1315dc891aea186abcbb47ca0fe23ffd56ee6e64f7e4ba2d947c34689fc67f841e8789887668239311f35bc15286d
SSDEEP 24576:qpugRNJI1D39dlfGQrFUx9FOaB333Yxl7:Pgq1V+QrFUx9FZ333Yz7
TLSH
T175756CD2CA3CA543D9876C7067A8DA837C3DCFD30D505666509AF9E81AB33E4BB1482D
MD5 SHA1 SHA512 SSDEEP TLSH

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memory/828-26-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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memory/828-40-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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memory/1680-0-0x00000000019F0000-0x0000000001A00000-memory.dmp

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memory/1680-1-0x00000000747F2000-0x00000000747F4000-memory.dmp

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memory/1680-4-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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memory/1680-5-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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memory/1680-27-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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memory/1680-25-0x00000000019F0000-0x0000000001A00000-memory.dmp

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memory/3940-37-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3940-33-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3940-31-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3940-38-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/3940-34-0x0000000000400000-0x0000000000417000-memory.dmp

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memory/4460-29-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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memory/4460-30-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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memory/4460-45-0x00000000747F0000-0x0000000074DA1000-memory.dmp

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