remcos | 6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66

General

Target

image001.exe
Size

138KB
MD5

eb89816844f308ccfae4bbe2a72d527d
SHA1

6f04b00bdb256b616ac1edadf637378fccb36670
SHA256

6d891a2985e39d8b0cb720b24f92deb90370f5e25cf4158b5d224802475a8e66
SHA512

48cac0381d7ce3db389895c49a3c3ffff0f3edf1217d4515d081d5c768bc9d5b75018953f348f175585b797d36e7da6a9f300c2d04fa6678b8bebf0d0ec6665c
SSDEEP

3072:m1TBs5bEg6AAAITTE4R2GZzuj7Fnkob8x4zJLr:UBs5bEg6/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\Kvryolsk = "\"C:\\Users\\Admin\\AppData\\Roaming\\Csylj\\Kvryolsk.exe\""	image001.exe

Suspicious use of SetThreadContext 1 IoCs

Processes:

image001.exe

description pid process target process

PID 3044 set thread context of 3256 3044 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
Suspicious behavior: EnumeratesProcesses 6 IoCs

Processes:

powershell.exeimage001.exe

pid process

2556 powershell.exe
2556 powershell.exe
3044 image001.exe
3044 image001.exe
3044 image001.exe
3044 image001.exe
Suspicious use of AdjustPrivilegeToken 2 IoCs

Processes:

image001.exepowershell.exe

description pid process

Token: SeDebugPrivilege 3044 image001.exe
Token: SeDebugPrivilege 2556 powershell.exe

description	pid	process	target process
PID 3044 set thread context of 3256	3044	image001.exe	image001.exe

pid	process
2556	powershell.exe
2556	powershell.exe
3044	image001.exe
3044	image001.exe
3044	image001.exe
3044	image001.exe

description	pid	process
Token: SeDebugPrivilege	3044	image001.exe
Token: SeDebugPrivilege	2556	powershell.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

image001.exe

description	pid	process	target process
PID 3044 wrote to memory of 2556	3044	image001.exe	powershell.exe
PID 3044 wrote to memory of 2556	3044	image001.exe	powershell.exe
PID 3044 wrote to memory of 2556	3044	image001.exe	powershell.exe
PID 3044 wrote to memory of 2192	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 2192	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 2192	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 1244	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 1244	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 1244	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	image001.exe	image001.exe
PID 3044 wrote to memory of 3256	3044	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:3044

C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -enc UwB0AGEAcgB0AC0AUwBsAGUAZQBwACAALQBTAGUAYwBvAG4AZABzACAAMwAwAA==
2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2556

C:\Users\Admin\AppData\Local\Temp\image001.exe
C:\Users\Admin\AppData\Local\Temp\image001.exe
2⤵
PID:2192

C:\Users\Admin\AppData\Local\Temp\image001.exe
C:\Users\Admin\AppData\Local\Temp\image001.exe
2⤵
PID:1244

C:\Users\Admin\AppData\Local\Temp\image001.exe
C:\Users\Admin\AppData\Local\Temp\image001.exe
2⤵
PID:3256

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/1244-145-0x0000000000000000-mapping.dmp

Download
memory/2192-144-0x0000000000000000-mapping.dmp

Download
memory/2556-134-0x0000000000000000-mapping.dmp

Download
memory/2556-135-0x0000000004570000-0x00000000045A6000-memory.dmp

Filesize
216KB

Download
memory/2556-136-0x0000000004C30000-0x0000000005258000-memory.dmp

Filesize
6.2MB

Download
memory/2556-137-0x0000000005400000-0x0000000005466000-memory.dmp

Filesize
408KB

Download
memory/2556-138-0x00000000054E0000-0x0000000005546000-memory.dmp

Filesize
408KB

Download
memory/2556-139-0x0000000005B10000-0x0000000005B2E000-memory.dmp

Filesize
120KB

Download
memory/2556-140-0x0000000007370000-0x00000000079EA000-memory.dmp

Filesize
6.5MB

Download
memory/2556-141-0x0000000006000000-0x000000000601A000-memory.dmp

Filesize
104KB

Download
memory/3044-142-0x0000000008F30000-0x0000000008FC2000-memory.dmp

Filesize
584KB

Download
memory/3044-143-0x0000000009BC0000-0x000000000A164000-memory.dmp

Filesize
5.6MB

Download
memory/3044-132-0x0000000000170000-0x0000000000198000-memory.dmp

Filesize
160KB

Download
memory/3044-133-0x0000000008AB0000-0x0000000008AD2000-memory.dmp

Filesize
136KB

Download
memory/3256-146-0x0000000000000000-mapping.dmp

Download
memory/3256-147-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3256-148-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3256-149-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3256-150-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3256-151-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix ATT&CK v6

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Downloads