remcos | c25177f83c5892786f84a1972d50441ee6b9381fe3cb92a09f537cfffcfbf9e3

General

Target

e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe
Size

680KB
MD5

579bc013a23399b4ac129256d3f51adc
SHA1

0dbfc59c09a12dc6e4b0eb1e24c8ccb88f44e926
SHA256

e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69
SHA512

a9e587f80f67fda7a7e2748c70b8c05aedf912e855c25e05c3ba7d14dd9252e1d7824b79014a44cf52f5dcbc5e6e75e66e9854059509530a6e9067eb749d6330
SSDEEP

12288:jtVh08OGQuZLvqJFTPCv/cjpFG3lW91xPTd67o2qPT7xf3Uf8e8L013:B0nGQYTqfPMlW91xPYkf/BG

Score

10^/10

remcos gobernaci�n discovery rat

Malware Config

Extracted

Family

remcos

Version

2.7.0 Pro

Botnet

GOBERNACI�N

C2

luis5712r.duckdns.org:1717

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
Remcos-UX0QCF
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
wikipedia;solitaire;

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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 2740 set thread context of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95

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	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	schtasks.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RegSvcs.exe

Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

Schtasks is often used by malware for persistence or to perform post-infection execution.

persistence execution

Scheduled Task

T1053.005

pid	Process
1272	schtasks.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3412	RegSvcs.exe

Suspicious use of WriteProcessMemory 13 IoCs

description	pid	Process	procid_target
PID 2740 wrote to memory of 1272	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	93
PID 2740 wrote to memory of 1272	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	93
PID 2740 wrote to memory of 1272	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	93
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95
PID 2740 wrote to memory of 3412	2740	e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe	95

C:\Users\Admin\AppData\Local\Temp\e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe
"C:\Users\Admin\AppData\Local\Temp\e6313b89f0b3cd87fdbc525f40a4d1dcf792afb564b8d97722b7df17eb805f69.exe"
1⤵
- Checks computer location settings
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2740
- C:\Windows\SysWOW64\schtasks.exe
  "C:\Windows\System32\schtasks.exe" /Create /TN "Updates\BsmeFqrYXWx" /XML "C:\Users\Admin\AppData\Local\Temp\tmpFFFB.tmp"
  2⤵
  - System Location Discovery: System Language Discovery
  - Scheduled Task/Job: Scheduled Task
  PID:1272
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "{path}"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:3412

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Persistence

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Privilege Escalation

Scheduled Task/Job

1

T1053

Scheduled Task

1

T1053.005

Defense Evasion

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

System Location Discovery

1

T1614

System Language Discovery

1

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

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

Filesize
1KB

MD5
c06c4fc8bb6bf4a5c4f574b69e495598

SHA1
98781b5256635c0cf0c8e2bca32279d611ff1be2

SHA256
8d70129a5337f0608d76096a7ceda8ee560e21e73f6d2b906888bca66bf0e017

SHA512
5043aedb6f1eb7794e3d2903690177e1f978ae4ffd9e4ff1e88e5d7d6fad90dd5d82c6b4bf74dda5fd48fd3bf3a104cb0ffcd195a7a12a9fd34fadcf3b5f6262

Download Submit
C:\Users\Admin\AppData\Roaming\remcos\logs.dat

Filesize
74B

MD5
62abe73c607877ec82e7af7fd1bef159

SHA1
c144e65cf23d51c43b8d110178d0e25bbaf12740

SHA256
9fe94d6c3e084fa3a8d3d3e0926cf1e01bd72d223533d9c665a2870f707ef94a

SHA512
860f1ae4a0168d48d2c02f6ac77e58b9246f507e55710ba1d1c18033b049f7f69e202de721456a07aa94135e0da6ee6f5ac341daaa207c20cdf4486366d3fb39

Download Submit
memory/2740-10-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2740-11-0x0000000006020000-0x0000000006094000-memory.dmp

Filesize
464KB

Download
memory/2740-4-0x0000000004D70000-0x0000000004E02000-memory.dmp

Filesize
584KB

Download
memory/2740-5-0x0000000004CB0000-0x0000000004CBA000-memory.dmp

Filesize
40KB

Download
memory/2740-6-0x0000000004F30000-0x0000000004F86000-memory.dmp

Filesize
344KB

Download
memory/2740-7-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/2740-8-0x0000000004FD0000-0x0000000004FE4000-memory.dmp

Filesize
80KB

Download
memory/2740-9-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2740-0-0x000000007452E000-0x000000007452F000-memory.dmp

Filesize
4KB

Download
memory/2740-3-0x0000000005280000-0x0000000005824000-memory.dmp

Filesize
5.6MB

Download
memory/2740-12-0x00000000061E0000-0x0000000006206000-memory.dmp

Filesize
152KB

Download
memory/2740-2-0x0000000004BF0000-0x0000000004C8C000-memory.dmp

Filesize
624KB

Download
memory/2740-1-0x0000000000180000-0x0000000000230000-memory.dmp

Filesize
704KB

Download
memory/2740-25-0x0000000074520000-0x0000000074CD0000-memory.dmp

Filesize
7.7MB

Download
memory/3412-20-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3412-23-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3412-24-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3412-19-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3412-27-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download
memory/3412-16-0x0000000000400000-0x0000000000421000-memory.dmp

Filesize
132KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads