remcos | 9337a45d06095b3d5765cb9eb4372631cc36847f00885e6bc25bf4267ee14306

General

Target

PROCE-JURIDICO25092024.exe
Size

5.8MB
MD5

2e5f8f122f26f109ceaeef0d703c2d21
SHA1

f57c12a86d4270f0f42aabedbd59313cd927e33e
SHA256

0fb925b5db5af723fc79d103158873db49ec4bfb26557b1e1745e91893d93fc3
SHA512

78034facde86fd4d54674479504310995ababcb8555d0ee2d0ff00e7e051eef88e4897d200c0ff38780e463516eed4d7ee2bdab077ce6b89b58061611ead0927
SSDEEP

98304:5tLutWh4NYxtJpkxhGRvPLOqjajvD333yuFm6ko:uOxtJahKdjaKuFXx

Score

10^/10

remcos 25��septiembre��2024 discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

25��Septiembre��2024

C2

098urni4389udn3u4imf8rufue.con-ip.com:5023

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-469YID
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

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-1-5-21-3434294380-2554721341-1919518612-1000\Software\Microsoft\Windows\CurrentVersion\Run\JudgeUpdater = "C:\\Users\\Admin\\Music\\JudgeUpdater\\EyesJudger.exe"	PROCE-JURIDICO25092024.exe

System Location Discovery: System Language Discovery 1 TTPs 2 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	PROCE-JURIDICO25092024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	PROCE-JURIDICO25092024.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1296	PROCE-JURIDICO25092024.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31
PID 1676 wrote to memory of 1296	1676	PROCE-JURIDICO25092024.exe	31

C:\Users\Admin\AppData\Local\Temp\PROCE-JURIDICO25092024.exe
"C:\Users\Admin\AppData\Local\Temp\PROCE-JURIDICO25092024.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1676
- C:\Users\Admin\AppData\Local\Temp\PROCE-JURIDICO25092024.exe
  "C:\Users\Admin\AppData\Local\Temp\PROCE-JURIDICO25092024.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1296

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

Discovery

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:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
d1ef353846a997743007551896d762ce

SHA1
0cd9ddbdf4e0db42e52afca7916373765d5c949a

SHA256
6fb1fdd06185ec66924ed1de6e22477e9981d1bea6b6eee6a4a816ab11cc407d

SHA512
cee39ae70ad74824ff120c347607d3b8474f19544744af43027566ace4844a327723131d387dc82b2c2229634135bae82c1a3ac2cf56d936e277e83bb414ad13

Download Submit
memory/1296-42-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-56-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-17-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-61-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-16-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-54-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-49-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-11-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1296-7-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-21-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1296-20-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-62-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-48-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-35-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-43-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-29-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-30-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-24-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1296-36-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/1676-0-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1676-1-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1676-3-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1676-12-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1676-5-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1676-6-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1676-14-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1676-2-0x00000000005AD000-0x00000000005C5000-memory.dmp

Filesize
96KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads