remcos | 5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f

Analysis

max time kernel
148s
max time network
151s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
21-11-2024 05:02

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General

Target

5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
Size

1.5MB
MD5

e81a82f2323213fc61c65baec24b0a86
SHA1

af82f2a72e64086eb337b1f522e97f5f7ed3308a
SHA256

5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f
SHA512

e10f3efbb0a15d241685db510f84ec75e0732fbdccc37e41097809b807ce6be7ae96fcbfe2e914dbdaec54549465f6bb4bb3ef3f745768b803a1a512c149bc82
SSDEEP

24576:xaZw9yTDgrK/zNedAS4BXgTZ/gSfJlnnC47n9avzFl6dikc1H2ZRezGp2JruqYfX:j9pK/zeASHFXHnrML6dikc1H2ZRpkuR

Score

10^/10

remcos mouse discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

mouse

oportunidad-escolombiasegura.cfd:3020

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
ladsjalfhfzmvqpowieyr-3PLE3H
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

Processes:

5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-4177215427-74451935-3209572229-1000\Software\Microsoft\Windows\CurrentVersion\Run\ExplrerEnglishLanguage = "C:\\Users\\Admin\\Pictures\\EnglishExplorer\\Bin\\ExplorerEnglish.exe"	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.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

Processes:

5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

description	ioc	process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

pid process

2364 5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

pid	process
2364	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

description	pid	process	target process
PID 2148 wrote to memory of 2364	2148	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
PID 2148 wrote to memory of 2364	2148	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
PID 2148 wrote to memory of 2364	2148	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
PID 2148 wrote to memory of 2364	2148	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
PID 2148 wrote to memory of 2364	2148	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
PID 2148 wrote to memory of 2364	2148	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe	5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe

C:\Users\Admin\AppData\Local\Temp\5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
"C:\Users\Admin\AppData\Local\Temp\5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2148
- C:\Users\Admin\AppData\Local\Temp\5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe
  "C:\Users\Admin\AppData\Local\Temp\5bb37136753a57dd2f6b120fab9e66822fa96949fdbe89388a986a3ff0ca002f.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2364

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

T1547

Registry Run Keys / Startup Folder

T1547.001

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\registro\registros.dat

Filesize
184B

MD5
ed8971cf672f97430b337ebb426469c3

SHA1
618d43c71c89032996fb844abcc5f8a0331ff213

SHA256
ae12a7cfd9a388aa3b8b51329948689c0bc0c302a9cadac327aeb50ec5e8054e

SHA512
a9a40623546b634b2db0157353c3b6a14a0c108dcbec003d30566c428844af7bb1d5433af8f63e69db516c8546b47d1b870813521da9765ec4266f9f5c2cc030

Download Submit
memory/2148-14-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2148-0-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2148-2-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2148-6-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2148-1-0x0000000000436000-0x000000000044F000-memory.dmp

Filesize
100KB

Download
memory/2148-25-0x0000000000436000-0x000000000044F000-memory.dmp

Filesize
100KB

Download
memory/2148-7-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2148-13-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2148-16-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2364-46-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-55-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-12-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2364-23-0x0000000000400000-0x0000000000587000-memory.dmp

Filesize
1.5MB

Download
memory/2364-24-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-19-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-26-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-27-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-28-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-30-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-33-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-35-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-22-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-37-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-38-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-40-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-41-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-8-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-48-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-50-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-51-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-54-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-18-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-58-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-59-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-64-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-65-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-66-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-67-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-69-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-70-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-72-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-73-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-75-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-76-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-78-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-79-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-80-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-82-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-83-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-84-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-85-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-87-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-88-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-89-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-91-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download
memory/2364-92-0x00000000001C0000-0x000000000023F000-memory.dmp

Filesize
508KB

Download