remcos | e4ce66310dd194528d2cd7244b0de53295b870a44472d402cd7596a6adf328cf

General

Target

Radicado N0° 9388445457574 Octubre 18 de 2024.exe
Size

2.5MB
MD5

d840f6785705296ba159b94df808dbe8
SHA1

f6b7b0874ce76107ccb26e1e93d8f8a7f196afb2
SHA256

7167bf5b03b02439900fe494f21ecaa00127e039e5f43c2814882c9b543b61fd
SHA512

c63d4aeb189894879ac6266562dfb923093b29e9b918193df4b73fa7aa95a8f4b968cde4a0447025864e0421c260d2cb3ddce780b99579c9adeb70f7e26fa313
SSDEEP

49152:w8Hh/wSQ93nzXKE/ES197spoXui8SbRa9JF/0htdVUEtCTRQ37Ex7WFGP3TAS/jL:wy/wSgKE8kZV+d

Score

10^/10

remcos amitrer discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

AMITRER

C2

dcfdsfde.ydns.eu:1991

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-7V7PAI
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-1-5-21-3692679935-4019334568-335155002-1000\Software\Microsoft\Windows\CurrentVersion\Run\RamDesignerEditor = "C:\\Users\\Admin\\Music\\RamDesignerUpdater\\RamConvertVideo.exe"	Radicado N0° 9388445457574 Octubre 18 de 2024.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	Radicado N0° 9388445457574 Octubre 18 de 2024.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Radicado N0° 9388445457574 Octubre 18 de 2024.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2796	Radicado N0° 9388445457574 Octubre 18 de 2024.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2880 wrote to memory of 2796	2880	Radicado N0° 9388445457574 Octubre 18 de 2024.exe	30
PID 2880 wrote to memory of 2796	2880	Radicado N0° 9388445457574 Octubre 18 de 2024.exe	30
PID 2880 wrote to memory of 2796	2880	Radicado N0° 9388445457574 Octubre 18 de 2024.exe	30
PID 2880 wrote to memory of 2796	2880	Radicado N0° 9388445457574 Octubre 18 de 2024.exe	30
PID 2880 wrote to memory of 2796	2880	Radicado N0° 9388445457574 Octubre 18 de 2024.exe	30
PID 2880 wrote to memory of 2796	2880	Radicado N0° 9388445457574 Octubre 18 de 2024.exe	30

C:\Users\Admin\AppData\Local\Temp\Radicado N0° 9388445457574 Octubre 18 de 2024.exe
"C:\Users\Admin\AppData\Local\Temp\Radicado N0° 9388445457574 Octubre 18 de 2024.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2880
- C:\Users\Admin\AppData\Local\Temp\Radicado N0° 9388445457574 Octubre 18 de 2024.exe
  "C:\Users\Admin\AppData\Local\Temp\Radicado N0° 9388445457574 Octubre 18 de 2024.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2796

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
f43c0ea065c5f2550cfd5b1ae97573d5

SHA1
8c38de71acf71b48b15ef1f37d1adccd76864149

SHA256
26f9f410b98f117c11e59da071443d399719dd69eb6daf293c8b179a837409fb

SHA512
f47886b364de77b8799782154aa6ccc6862bf271d7ba6e11272ada154edb20f466073ada2c2048d5bc038a786bfd8a60ca26199677cda6df84ca6ce25d4a7646

Download Submit
memory/2796-19-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2796-24-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2796-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2796-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2796-10-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2796-12-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2796-14-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2880-8-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-16-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-17-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-6-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-9-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-0-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-2-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-4-0x0000000000400000-0x00000000006A0000-memory.dmp

Filesize
2.6MB

Download
memory/2880-27-0x000000000050A000-0x0000000000523000-memory.dmp

Filesize
100KB

Download
memory/2880-3-0x000000000050A000-0x0000000000523000-memory.dmp

Filesize
100KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads