remcos | 5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5

General

Target

5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe
Size

2.3MB
MD5

b1a62f3fd3a9a4a06c6bbffbb1cbb463
SHA1

f3954f2ddbbe05daa9eeb3e9a9e0bb661f925e76
SHA256

5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5
SHA512

a53c1789f2c465809b307a1daabc0b4c10fafe983040ac112f0de0cf5afae3b532630095e62971e0588a7fd17b62caa4ff2f06cb04e6e3799ceca4ce43569528
SSDEEP

24576:pjmc9/6Am6ls/dcaL9dYx0of9R7iYh0iLnS5vyVJ9dHIliC4:pp/hO/d1xdYx0ir7jTGyVJ9dsR4

Score

10^/10

remcos neptuno discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

neptuno

C2

navegacionseguracol24vip.org:30201

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
registros.dat
keylog_flag
false
keylog_folder
registro
mouse_option
false
mutex
mzxbmzmznxbcvzmnxvcnzbcx-T9CO3X
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
Remcos family
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-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\ElectronArtsCLI = "C:\\Users\\Admin\\Videos\\ElectronArts\\Bin\\ElectronArtsCLI.exe"	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.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	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1856	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 4856 wrote to memory of 1856	4856	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe	84
PID 4856 wrote to memory of 1856	4856	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe	84
PID 4856 wrote to memory of 1856	4856	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe	84
PID 4856 wrote to memory of 1856	4856	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe	84
PID 4856 wrote to memory of 1856	4856	5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe	84

C:\Users\Admin\AppData\Local\Temp\5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe
"C:\Users\Admin\AppData\Local\Temp\5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4856
- C:\Users\Admin\AppData\Local\Temp\5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe
  "C:\Users\Admin\AppData\Local\Temp\5dcbcb9f5b780bb07e8eb4e98313fc5d0b222823ac94d338b3c3e3fb3efb77e5.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1856

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\registro\registros.dat

Filesize
184B

MD5
deadc2d1e158b1fa5d7eba4fa624b7ce

SHA1
54b07c7221d53d20e813a0be2c9046229d7d96a4

SHA256
3162c71c57ef66d43669a5111c0fb42c343b5e11a7c56498f079d2dca2db966c

SHA512
1652a006230132e22abf0342a10072d29bcc6b3f0630c679a9e700f86a620e345f77079fd04355088cfa598e6139ecb6e857295c827e2bdb1f4e02a96f7de84d

Download Submit
memory/1856-25-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-28-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-5-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-4-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-9-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-7-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-10-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-12-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-27-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-15-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-17-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-1-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-21-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-22-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-2-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-24-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-13-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-58-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-31-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-32-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-33-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-35-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-39-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-40-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-44-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-45-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-47-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-48-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-52-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-53-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/1856-57-0x0000000000690000-0x000000000070F000-memory.dmp

Filesize
508KB

Download
memory/4856-0-0x00007FFA54770000-0x00007FFA54965000-memory.dmp

Filesize
2.0MB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads