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

Executes dropped EXE 2 IoCs

pid	Process
2820	sbietrcl.exe
2692	sbietrcl.exe

Loads dropped DLL 1 IoCs

pid	Process
1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.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-1-5-21-1488793075-819845221-1497111674-1000\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 2820 set thread context of 2692	2820	sbietrcl.exe	32

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	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.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
1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
2820	sbietrcl.exe
2820	sbietrcl.exe
2820	sbietrcl.exe
2820	sbietrcl.exe
2820	sbietrcl.exe
2820	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
Token: SeDebugPrivilege	2820	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2692	sbietrcl.exe

Suspicious use of WriteProcessMemory 14 IoCs

description	pid	Process	procid_target
PID 1480 wrote to memory of 2820	1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe	31
PID 1480 wrote to memory of 2820	1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe	31
PID 1480 wrote to memory of 2820	1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe	31
PID 1480 wrote to memory of 2820	1480	6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe	31
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32
PID 2820 wrote to memory of 2692	2820	sbietrcl.exe	32

C:\Users\Admin\AppData\Local\Temp\6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe
"C:\Users\Admin\AppData\Local\Temp\6e6706f6cc72d8b64a5014acc09ec78d7a6a92b0de7e6a2541e013e8bee6ab06.exe"
1⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:1480
- 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:2820
- - 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:2692

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

System Information Discovery

1

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\Users\Admin\AppData\Local\Temp\CabE31E.tmp

Filesize
70KB

MD5
49aebf8cbd62d92ac215b2923fb1b9f5

SHA1
1723be06719828dda65ad804298d0431f6aff976

SHA256
b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f

SHA512
bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b

Download Submit
\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe

Filesize
1.4MB

MD5
e3170674d053e4b2f44b19726dd99276

SHA1
7983b7313c8fa7fe4bdb28c6b89e4c1f144602bd

SHA256
b86f905d9fb9881534241e86c0b18187a83ea0f416c5a7cedde79346d16bb820

SHA512
ce8585ce82c5a78c87cc9cef178dc4f78f72a8ad31261e03e08b8ccc77bc430329f085783d5d0d9bd1fcd218ec23f65b4d468818c270fc12826e1c234a4890a5

Download Submit
memory/1480-1-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/1480-9-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/1480-10-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/1480-26-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/1480-0-0x00000000741F1000-0x00000000741F2000-memory.dmp

Filesize
4KB

Download
memory/2692-54-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-59-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-39-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-43-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-46-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-44-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2692-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-40-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-55-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-49-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-50-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2692-53-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2820-29-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2820-37-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2820-56-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download
memory/2820-38-0x00000000741F0000-0x000000007479B000-memory.dmp

Filesize
5.7MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads