remcos | 9c0aa31bc4f16dca5d64c7eea86b41ea406a7f234e59fd13fa5c15128432e217

General

Target

image001.exe
Size

139KB
MD5

3ff883485df0487ddc2d0f65db260680
SHA1

4dfeb7c1e8077631751028fb4b13ba2e79bcd1aa
SHA256

9c0aa31bc4f16dca5d64c7eea86b41ea406a7f234e59fd13fa5c15128432e217
SHA512

92124151e9b2684419c47c54dc3e716456a5aa6a66c1a8522a020f71e1dcb999675bffa9526dfe9f667b699e2a2c97954045c377940ad7f0cbd1c09701aa5a13
SSDEEP

3072:Lls89Bs5bEg6AAAITTE4R2GZzuj7Fnkob8x4zJL6:moBs5bEg6/T44R2GZzuj7Fkob8x

Score

10^/10

remcos starmoneynew persistence rat

Malware Config

Extracted

Family

remcos

Botnet

StarMoneyNew

C2

185.252.178.35:41900

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-6RGOTF
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

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

Processes:

image001.exe

description	ioc	process
Key value queried	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation	image001.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

image001.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2295526160-1155304984-640977766-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Cloud = "\"C:\\Users\\Admin\\AppData\\Roaming\\Microsoft\\Windows\\Start Menu\\Programs\\Adobe\\Cloud.exe\""	image001.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

image001.exe

description pid process target process

PID 536 set thread context of 4616 536 image001.exe image001.exe
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

description	pid	process	target process
PID 536 set thread context of 4616	536	image001.exe	image001.exe

Suspicious behavior: EnumeratesProcesses 9 IoCs

Processes:

powershell.exeimage001.exe

pid	process
4240	powershell.exe
4240	powershell.exe
536	image001.exe
536	image001.exe
536	image001.exe
536	image001.exe
536	image001.exe
536	image001.exe
536	image001.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

image001.exepowershell.exe

description pid process

Token: SeDebugPrivilege 536 image001.exe
Token: SeDebugPrivilege 4240 powershell.exe

description	pid	process
Token: SeDebugPrivilege	536	image001.exe
Token: SeDebugPrivilege	4240	powershell.exe

Suspicious use of WriteProcessMemory 24 IoCs

Processes:

image001.exe

description	pid	process	target process
PID 536 wrote to memory of 4240	536	image001.exe	powershell.exe
PID 536 wrote to memory of 4240	536	image001.exe	powershell.exe
PID 536 wrote to memory of 4240	536	image001.exe	powershell.exe
PID 536 wrote to memory of 4280	536	image001.exe	image001.exe
PID 536 wrote to memory of 4280	536	image001.exe	image001.exe
PID 536 wrote to memory of 4280	536	image001.exe	image001.exe
PID 536 wrote to memory of 4900	536	image001.exe	image001.exe
PID 536 wrote to memory of 4900	536	image001.exe	image001.exe
PID 536 wrote to memory of 4900	536	image001.exe	image001.exe
PID 536 wrote to memory of 5068	536	image001.exe	image001.exe
PID 536 wrote to memory of 5068	536	image001.exe	image001.exe
PID 536 wrote to memory of 5068	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe
PID 536 wrote to memory of 4616	536	image001.exe	image001.exe

C:\Users\Admin\AppData\Local\Temp\image001.exe
"C:\Users\Admin\AppData\Local\Temp\image001.exe"
1⤵
- Checks computer location settings
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:536

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAANQA2AA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:4240

C:\Users\Admin\AppData\Local\Temp\image001.exe
C:\Users\Admin\AppData\Local\Temp\image001.exe
2⤵
PID:4280

C:\Users\Admin\AppData\Local\Temp\image001.exe
C:\Users\Admin\AppData\Local\Temp\image001.exe
2⤵
PID:4900

C:\Users\Admin\AppData\Local\Temp\image001.exe
C:\Users\Admin\AppData\Local\Temp\image001.exe
2⤵
PID:5068

C:\Users\Admin\AppData\Local\Temp\image001.exe
C:\Users\Admin\AppData\Local\Temp\image001.exe
2⤵
PID:4616

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Query Registry

1

T1012

System Information Discovery

2

T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

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Downloads

memory/536-132-0x0000000000670000-0x0000000000698000-memory.dmp

Filesize
160KB

Download
memory/536-133-0x0000000009A90000-0x0000000009AB2000-memory.dmp

Filesize
136KB

Download
memory/536-143-0x000000000E450000-0x000000000E9F4000-memory.dmp

Filesize
5.6MB

Download
memory/536-142-0x0000000000FA0000-0x0000000001032000-memory.dmp

Filesize
584KB

Download
memory/4240-137-0x0000000004BC0000-0x0000000004C26000-memory.dmp

Filesize
408KB

Download
memory/4240-136-0x0000000004EF0000-0x0000000005518000-memory.dmp

Filesize
6.2MB

Download
memory/4240-138-0x0000000004D70000-0x0000000004DD6000-memory.dmp

Filesize
408KB

Download
memory/4240-139-0x00000000059F0000-0x0000000005A0E000-memory.dmp

Filesize
120KB

Download
memory/4240-140-0x0000000007230000-0x00000000078AA000-memory.dmp

Filesize
6.5MB

Download
memory/4240-141-0x0000000005EE0000-0x0000000005EFA000-memory.dmp

Filesize
104KB

Download
memory/4240-135-0x0000000000AE0000-0x0000000000B16000-memory.dmp

Filesize
216KB

Download
memory/4240-134-0x0000000000000000-mapping.dmp

Download
memory/4280-144-0x0000000000000000-mapping.dmp

Download
memory/4616-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4616-147-0x0000000000000000-mapping.dmp

Download
memory/4616-148-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4616-150-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4616-151-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4616-152-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/4900-145-0x0000000000000000-mapping.dmp

Download
memory/5068-146-0x0000000000000000-mapping.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads