remcos | ad4f75bf5c5c17daac7ca207b38dea31a9c56d40692a5a0e5537e6f1bd61c719

General

Target

0e695ab472c053c536729db98e2d0830N.exe
Size

1.8MB
MD5

0e695ab472c053c536729db98e2d0830
SHA1

9dd4ce8698d49e6841787b000aa6ea31e115eb75
SHA256

ad4f75bf5c5c17daac7ca207b38dea31a9c56d40692a5a0e5537e6f1bd61c719
SHA512

73cd3231054a5bb2828f94720d00d3ee2c8a17352041941459f32fa991214d8bc2881f98309ee3997cb92da2a441aed78eaa7a85a803ed2defa66fcd33c689c0
SSDEEP

24576:lD39v74lfGQrFUspugRNJI2DJ53J/J/L5dJPj8/j73Ab:lp7E+QrFUBgq2Z

Score

10^/10

remcos host 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

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-1-5-21-3419463127-3903270268-2580331543-1000\Control Panel\International\Geo\Nation	0e695ab472c053c536729db98e2d0830N.exe

Executes dropped EXE 2 IoCs

pid	Process
2396	sbietrcl.exe
2992	sbietrcl.exe

Reads user/profile data of web browsers 2 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

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-1-5-21-3419463127-3903270268-2580331543-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Application = "C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Templates\\sbietrcl.exe"	0e695ab472c053c536729db98e2d0830N.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2396 set thread context of 2992	2396	sbietrcl.exe	94

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

Suspicious behavior: EnumeratesProcesses 12 IoCs

pid	Process
3804	0e695ab472c053c536729db98e2d0830N.exe
3804	0e695ab472c053c536729db98e2d0830N.exe
3804	0e695ab472c053c536729db98e2d0830N.exe
3804	0e695ab472c053c536729db98e2d0830N.exe
3804	0e695ab472c053c536729db98e2d0830N.exe
3804	0e695ab472c053c536729db98e2d0830N.exe
2396	sbietrcl.exe
2396	sbietrcl.exe
2396	sbietrcl.exe
2396	sbietrcl.exe
2396	sbietrcl.exe
2396	sbietrcl.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	3804	0e695ab472c053c536729db98e2d0830N.exe
Token: SeDebugPrivilege	2396	sbietrcl.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2992	sbietrcl.exe

Suspicious use of WriteProcessMemory 12 IoCs

description	pid	Process	procid_target
PID 3804 wrote to memory of 2396	3804	0e695ab472c053c536729db98e2d0830N.exe	92
PID 3804 wrote to memory of 2396	3804	0e695ab472c053c536729db98e2d0830N.exe	92
PID 3804 wrote to memory of 2396	3804	0e695ab472c053c536729db98e2d0830N.exe	92
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94
PID 2396 wrote to memory of 2992	2396	sbietrcl.exe	94

C:\Users\Admin\AppData\Local\Temp\0e695ab472c053c536729db98e2d0830N.exe
"C:\Users\Admin\AppData\Local\Temp\0e695ab472c053c536729db98e2d0830N.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:3804
- 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
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:2396
- - C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe
    "C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Templates\sbietrcl.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetWindowsHookEx
    PID:2992

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

Unsecured Credentials

1

T1552

Credentials In Files

1

T1552.001

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

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
1.8MB

MD5
ae9c67ffe579244608f748497097d8d8

SHA1
e6db6f133a0a4ed748b03643316e12647c955d6c

SHA256
f935eb43e60f76a08b634394ea3c2e74b211d0bbfc6c4aa3ef9fc762b7aba528

SHA512
73084bf6b81354b745951d18a1d248b92d17f34cea839b5c41f6585244e079aa7bdc1815ab069dedd277306f7fe9c0738c39ba45ed061926303fadf6f8db7724

Download Submit
memory/2396-32-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/2396-29-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/2396-31-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/2396-45-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/2396-33-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/2396-30-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/2992-38-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2992-48-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2992-34-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2992-37-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2992-41-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2992-42-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/2992-44-0x0000000000400000-0x0000000000417000-memory.dmp

Filesize
92KB

Download
memory/3804-28-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3804-5-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3804-1-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3804-2-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3804-6-0x0000000074E60000-0x0000000075411000-memory.dmp

Filesize
5.7MB

Download
memory/3804-0-0x0000000074E62000-0x0000000074E63000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads