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-1-5-21-1194130065-3471212556-1656947724-1000\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
1080	PROCE-JURIDICO25092024.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4424 wrote to memory of 1080	4424	PROCE-JURIDICO25092024.exe	82
PID 4424 wrote to memory of 1080	4424	PROCE-JURIDICO25092024.exe	82
PID 4424 wrote to memory of 1080	4424	PROCE-JURIDICO25092024.exe	82
PID 4424 wrote to memory of 1080	4424	PROCE-JURIDICO25092024.exe	82
PID 4424 wrote to memory of 1080	4424	PROCE-JURIDICO25092024.exe	82

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:4424
- 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:1080

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
eb8f9f8f00515352c73b0fb99f326faa

SHA1
03d26d2a26ade35200154ad68b9c1e9b4c033571

SHA256
a2760e2dd4e611272379935bc62028ec30da8898e82f3d3df90bbc8b9f8f8c1d

SHA512
d5fc0fe7de880caa2f1f88b95c39d2d542bf2f82f72ea5a833555d835b9b4a96cf9b42f4cb0e8e511c5cb6c41f488b336026f872ccb02b1a1482e3e722ca7e90

Download Submit
memory/1080-33-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-39-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-18-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-58-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-57-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-52-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-51-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-12-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-11-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-45-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-13-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-25-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-7-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-17-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/1080-44-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-38-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-16-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-26-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/1080-31-0x00000000009E0000-0x0000000000A62000-memory.dmp

Filesize
520KB

Download
memory/4424-2-0x00000000005AD000-0x00000000005C5000-memory.dmp

Filesize
96KB

Download
memory/4424-0-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/4424-10-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/4424-1-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/4424-4-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/4424-6-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/4424-9-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/4424-8-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download
memory/4424-20-0x00000000005AD000-0x00000000005C5000-memory.dmp

Filesize
96KB

Download
memory/4424-3-0x0000000000400000-0x00000000009DA000-memory.dmp

Filesize
5.9MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads