remcos | 07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684

General

Target

07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe
Size

4.0MB
MD5

f451000e12fecd505c70a1b12f68ae7d
SHA1

d0c614f76a7a502583413f0a1904e3ff9737009e
SHA256

07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684
SHA512

9be39b6e7d91625a917e2568aa8eb3f8a5eab0c0b8a913fbdc060b3559d5c8f5bb8100de337a29bc5eba4b8a4b1c92f6bf2e18e9b66c0d62fe1eea0029d70281
SSDEEP

49152:ph0IPrP8G8IBa3iY20k1GnNsH1kaa6x7SzxgUgoJUcaqCDxGZ5RPLOqYEicaC+18:5UgoJUBZIvPLOqFajvXm6k1IA

Score

10^/10

remcos los breee discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

LOS BREEE

C2

eugeniapadillalora09.con-ip.com:1880

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-XCW0NT
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-1-5-21-312935884-697965778-3955649944-1000\Software\Microsoft\Windows\CurrentVersion\Run\OcuulusUpdater = "C:\\Users\\Admin\\Music\\OcoulsUpdater\\EyesUpdater.exe"	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.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	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2712	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe

Suspicious use of WriteProcessMemory 6 IoCs

description	pid	Process	procid_target
PID 2688 wrote to memory of 2712	2688	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe	31
PID 2688 wrote to memory of 2712	2688	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe	31
PID 2688 wrote to memory of 2712	2688	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe	31
PID 2688 wrote to memory of 2712	2688	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe	31
PID 2688 wrote to memory of 2712	2688	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe	31
PID 2688 wrote to memory of 2712	2688	07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe	31

C:\Users\Admin\AppData\Local\Temp\07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe
"C:\Users\Admin\AppData\Local\Temp\07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2688
- C:\Users\Admin\AppData\Local\Temp\07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe
  "C:\Users\Admin\AppData\Local\Temp\07d6ec62d99641b874c044ccf8f07afa73d43c95b4c16b25fd35d3e02f9cb684.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:2712

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
362a92e7d5fb91ffdcc6c1eacd30da20

SHA1
683d63143ee685bb4002344ced6ce78f14b1f2da

SHA256
98d490e97a5ea7221fd24bcff04732e310bf7e837feba8e707fbf965b265b509

SHA512
a90b3109b76fc5b38894494fc7e836ceda3e7f6c94052227ddbc6d0aef5f65bd26314c9420bddfda9e3fa9f5593d89c1b3f411861cd0e7f7482354dafdb97ec2

Download Submit
memory/2688-6-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2688-14-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2688-5-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2688-4-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2688-1-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2688-7-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2688-0-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2688-2-0x0000000000420000-0x0000000000438000-memory.dmp

Filesize
96KB

Download
memory/2688-13-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2712-30-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-26-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-16-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-21-0x0000000000400000-0x0000000000846000-memory.dmp

Filesize
4.3MB

Download
memory/2712-20-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-12-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-23-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-10-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2712-24-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-17-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-22-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-8-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-37-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-38-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-45-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-46-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-54-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-53-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-61-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download
memory/2712-62-0x00000000001C0000-0x0000000000242000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads