remcos | 7cae041a3661cf3a54e7930124dda510049432c958a309f2e51ed34e35f14117

Analysis

max time kernel
599s
max time network
598s
platform
windows7_x64
resource
win7-20240729-en
resource tags

arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
submitted
12-09-2024 15:45

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General

Target

0000000001224555887485412221554520000000000151548542454651625.exe
Size

2.1MB
MD5

02bb19c2207b20b5aad590dad6ffbfee
SHA1

b3961f8ee50e3b31c4a80dceec1c51c6ab07b525
SHA256

360eb2898c9ce5963cf3925f76506065bdef0a00a3651b635cb4b955b9fadb96
SHA512

ad2cb5b2ebfcc78b14f5e6e9b0ab997813136eb0cb1085d5058328479fa11c6a02cb3ad43fc4140a143c5d8c6e6e30c79cb5878b9831852bf5490d7470198fa9
SSDEEP

49152:fdbiSpsygzyhWvNJafCO99sVde7dW9OcmGJZFSxL+EWeaW66DTJ+u88nHq5HbYpw:lbJxOeaW6i3p

Score

10^/10

remcos lindooooooo discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

LINDOOOOOOO

septiembre11.con-ip.com:7773

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-DCJTJ2
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\MuntraUpdater = "C:\\Users\\Admin\\Pictures\\MantraUpdater\\MuaOpener.exe"	0000000001224555887485412221554520000000000151548542454651625.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	0000000001224555887485412221554520000000000151548542454651625.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	0000000001224555887485412221554520000000000151548542454651625.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1440	0000000001224555887485412221554520000000000151548542454651625.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 304 wrote to memory of 1440	304	0000000001224555887485412221554520000000000151548542454651625.exe	31
PID 304 wrote to memory of 1440	304	0000000001224555887485412221554520000000000151548542454651625.exe	31
PID 304 wrote to memory of 1440	304	0000000001224555887485412221554520000000000151548542454651625.exe	31
PID 304 wrote to memory of 1440	304	0000000001224555887485412221554520000000000151548542454651625.exe	31
PID 304 wrote to memory of 1440	304	0000000001224555887485412221554520000000000151548542454651625.exe	31
PID 304 wrote to memory of 1440	304	0000000001224555887485412221554520000000000151548542454651625.exe	31

C:\Users\Admin\AppData\Local\Temp\0000000001224555887485412221554520000000000151548542454651625.exe
"C:\Users\Admin\AppData\Local\Temp\0000000001224555887485412221554520000000000151548542454651625.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:304
- C:\Users\Admin\AppData\Local\Temp\0000000001224555887485412221554520000000000151548542454651625.exe
  "C:\Users\Admin\AppData\Local\Temp\0000000001224555887485412221554520000000000151548542454651625.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:1440

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\remcos\logs.dat

Filesize
144B

MD5
c50f104d7670f17130b48c6ea83c71f7

SHA1
409b72b15e15549e3d6f5126d6985ea90c3287a2

SHA256
426bea40bbbea13acf72432832e1ca9c6e59977c9194da9320b8d0adc1c3d4c2

SHA512
0fa081d85e162ea5a282fc12df370806fd46f52950571a801f8f52403b01b915cc6050bf0b50ead412ecdbac7c59d846e42445bbebcbbb1f01b3e4cd3321b418

Download Submit
memory/304-3-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/304-0-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/304-6-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/304-4-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/304-7-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/304-13-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/304-14-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/304-1-0x0000000000447000-0x0000000000460000-memory.dmp

Filesize
100KB

Download
memory/304-28-0x0000000000447000-0x0000000000460000-memory.dmp

Filesize
100KB

Download
memory/304-5-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/1440-31-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-54-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-17-0x0000000000400000-0x0000000000616000-memory.dmp

Filesize
2.1MB

Download
memory/1440-21-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-18-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-22-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-24-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-25-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-8-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-30-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/1440-12-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-38-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-39-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-46-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-47-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-55-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-62-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-63-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-78-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-79-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-86-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-87-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-94-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-102-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-103-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-110-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-118-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-143-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-144-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-151-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/1440-175-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads