remcos | 5d3b8b5ed54d8455f0ea2f09166a443461ceb0b2cba66c0d1e3d631995319957

General

Target

Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe
Size

3.2MB
MD5

8e1a63d59985869239ad6a909a63b815
SHA1

d51e3555560a28ab9c8761764603431d79bd4f09
SHA256

96281896554aa3150884b5e2434f1339fb69e0cdf0d295ec3c7c3e183c91c048
SHA512

aaae756dc649f9993a836be00e5daaefc4263badc3c69fd5f32aed53b6df747a5d7f2464180a17aaa1b14537284191f4ca6a60cd2ed10236ecefcf2c74907f4a
SSDEEP

49152:27WzyO6uxaSMhnNi1KvdokswaBN9i88nQ8NIai1Q5+esy:UWGFiMvBshzi3nQiIb1Q5Ay

Score

10^/10

remcos nuevos discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

nuevos

C2

sept2024.con-ip.com:2008

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
registros.dat
keylog_flag
false
keylog_folder
regis
mouse_option
false
mutex
dhvbskdfkasbljdnlscdcsc-62S6QS
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Capturas de pantalla
screenshot_path
%AppData%
screenshot_time
10
startup_value
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\ComfortDesignerEditor = "C:\\Users\\Admin\\Music\\ComfortDesignerUpdater\\ComfortVideo.exe"	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.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	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2452	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe

Suspicious use of WriteProcessMemory 9 IoCs

description	pid	Process	procid_target
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31
PID 2500 wrote to memory of 2452	2500	Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe	31

C:\Users\Admin\AppData\Local\Temp\Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe
"C:\Users\Admin\AppData\Local\Temp\Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2500
- C:\Users\Admin\AppData\Local\Temp\Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe
  "C:\Users\Admin\AppData\Local\Temp\Oficio Judicial N° 00983849993 tribunal 002 09 de Octubre.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2452

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

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Downloads

memory/2452-33-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-12-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-22-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-42-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-23-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2452-41-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-39-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-38-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-37-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-27-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2452-24-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-18-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-19-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-35-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-34-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-8-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-26-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2452-25-0x00000000001D0000-0x0000000000252000-memory.dmp

Filesize
520KB

Download
memory/2500-15-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2500-31-0x0000000000512000-0x000000000052B000-memory.dmp

Filesize
100KB

Download
memory/2500-0-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2500-7-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2500-1-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2500-2-0x0000000000512000-0x000000000052B000-memory.dmp

Filesize
100KB

Download
memory/2500-6-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2500-5-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2500-16-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download
memory/2500-4-0x0000000000400000-0x0000000000745000-memory.dmp

Filesize
3.3MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads