remcos | 05d39d2802d2309a840ac3daa98544f30554d94681137f38969b4817174386fa

General

Target

FoliosEscritode TutelaRadicado2024001676018.exe
Size

4.5MB
MD5

34ee6b8d2c0578e18dd75c52678b81ce
SHA1

6d552c784b281b8587d7e17e0c59b4d997a654e9
SHA256

d41f8ae0df709b0243db420707a5d87d45eec903ad2fda40a03963b958f83a18
SHA512

dff0f8cfb91cbc59364c8eff3a318814ac696bc99947804bd1c325d8fc3ac424a1932af4651115a26dfeda8a02b42ce3a76175c9e07c8afb48120b3f5224b24a
SSDEEP

49152:gyVdmxB5GSL4m35GyJZYMrbcDifMb2iUWZxaMxrVYTEHvnYkW4lLFQoM5LW0G:gybbOGyJZYMrb7fMb2ipZhDHWCM5jG

Score

10^/10

remcos maloh discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

MALOH

C2

octubre8.con-ip.com:7771

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-CGYV12
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-1-5-21-2703099537-420551529-3771253338-1000\Software\Microsoft\Windows\CurrentVersion\Run\SpeedDesignerEditor = "C:\\Users\\Admin\\Music\\SpeedDesignerUpdater\\SpeedVideo.exe"	FoliosEscritode TutelaRadicado2024001676018.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	FoliosEscritode TutelaRadicado2024001676018.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FoliosEscritode TutelaRadicado2024001676018.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2116	FoliosEscritode TutelaRadicado2024001676018.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2436 wrote to memory of 2116	2436	FoliosEscritode TutelaRadicado2024001676018.exe	31
PID 2436 wrote to memory of 2116	2436	FoliosEscritode TutelaRadicado2024001676018.exe	31
PID 2436 wrote to memory of 2116	2436	FoliosEscritode TutelaRadicado2024001676018.exe	31
PID 2436 wrote to memory of 2116	2436	FoliosEscritode TutelaRadicado2024001676018.exe	31
PID 2436 wrote to memory of 2116	2436	FoliosEscritode TutelaRadicado2024001676018.exe	31
PID 2436 wrote to memory of 2116	2436	FoliosEscritode TutelaRadicado2024001676018.exe	31

C:\Users\Admin\AppData\Local\Temp\FoliosEscritode TutelaRadicado2024001676018.exe
"C:\Users\Admin\AppData\Local\Temp\FoliosEscritode TutelaRadicado2024001676018.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2436
- C:\Users\Admin\AppData\Local\Temp\FoliosEscritode TutelaRadicado2024001676018.exe
  "C:\Users\Admin\AppData\Local\Temp\FoliosEscritode TutelaRadicado2024001676018.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2116

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

Replay Monitor

Loading Replay Monitor...

Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
b0c557533044ac18df01d63e3f41ccb4

SHA1
aef52408ca410a44c31db787cedece01427296e7

SHA256
f98fca58e6962124abd9485ada3a953a0e3f641deba17fed80590e242a0fd4d5

SHA512
919e47b97312e52a597f395ca73defb308279e5c024323cb1474f4c600ca25ab0cbef5e79596d4d6ddc08933a005cceaeda1b057741c7279c86fe5c9d6ff28d2

Download Submit
memory/2116-35-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-9-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2116-22-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2116-68-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-67-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-59-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-52-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-11-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-28-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-7-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-24-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-21-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-18-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-51-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-43-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-25-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2116-36-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2436-4-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2436-0-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2436-27-0x0000000000619000-0x0000000000631000-memory.dmp

Filesize
96KB

Download
memory/2436-2-0x0000000000619000-0x0000000000631000-memory.dmp

Filesize
96KB

Download
memory/2436-1-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2436-5-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2436-12-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2436-14-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2436-15-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download
memory/2436-6-0x0000000000400000-0x00000000008D1000-memory.dmp

Filesize
4.8MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads