remcos | 6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06

General

Target

6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
Size

1.4MB
MD5

4275510e24328f7c334cf5e9ddb0a7f7
SHA1

0ab0a35c80f75bbcf483ac5837e72c790dec1198
SHA256

6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06
SHA512

473a446db945beb5748d556177cd57d637d3756a83e2e3ef7180eb27f5f4a25fff77347638666891e591a98bcb72ae71b92fa608591286d0e7bcb3fdd94b4a85
SSDEEP

24576:YD39dlfGQrFUspugRNJI2DJnUw9W/j+BeKJF:YF+QrFUBgq25eK7

Score

10^/10

remcos host discovery persistence rat spyware stealer

Malware Config

Extracted

Family

remcos

Version

1.7 Pro

Botnet

Host

C2

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-1-5-21-4050598569-1597076380-177084960-1000\Control Panel\International\Geo\Nation	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe

Executes dropped EXE 2 IoCs

pid	Process
1824	sbietrcl.exe
4296	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-1-5-21-4050598569-1597076380-177084960-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1824 set thread context of 4296	1824	sbietrcl.exe	88

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	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	sbietrcl.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
1824	sbietrcl.exe
1824	sbietrcl.exe
1824	sbietrcl.exe
1824	sbietrcl.exe
1824	sbietrcl.exe
1824	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
Token: SeDebugPrivilege	1824	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4296	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 732 wrote to memory of 1824	732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe	87
PID 732 wrote to memory of 1824	732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe	87
PID 732 wrote to memory of 1824	732	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe	87
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88
PID 1824 wrote to memory of 4296	1824	sbietrcl.exe	88

C:\Users\Admin\AppData\Local\Temp\6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
"C:\Users\Admin\AppData\Local\Temp\6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.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:732
- 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:1824
- - 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:4296

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Credentials from Password Stores

1

T1555

Credentials from Web Browsers

1

T1555.003

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Data from Local System

1

T1005

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1.4MB

MD5
7ce3e6024d9a41aebd18e3af7d79cf9c

SHA1
992f9a911dff9bf22599f616d593cf730d1a88ed

SHA256
1e6cc5f4e482e26deb2e1db47ba1091330db059b56fd8af85c16047389920935

SHA512
a1c8ceb448ab928584ac4130bdb80c677da0c14822757429659b09005b73242f354351490eb824f5c46bb6a5326b1b108c42211f4c40ac3e29f3ed62aab98afc

Download Submit
memory/732-0-0x0000000074C62000-0x0000000074C63000-memory.dmp

Filesize
4KB

Download
memory/732-1-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/732-2-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/732-3-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/732-4-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/732-16-0x0000000074C62000-0x0000000074C63000-memory.dmp

Filesize
4KB

Download
memory/732-17-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/732-28-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1824-30-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1824-29-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1824-32-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1824-31-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/1824-44-0x0000000074C60000-0x0000000075211000-memory.dmp

Filesize
5.7MB

Download
memory/4296-33-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4296-36-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4296-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4296-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4296-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4296-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/4296-47-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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