remcos | f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3

General

Target

f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe
Size

8.4MB
MD5

7119698425e2056d404e97b12ed5ca37
SHA1

47ebc0744e88fbe12876471b49f4df80195f428a
SHA256

f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3
SHA512

817eb34af541cd6b7b0a67e8d09668014c3fe9e43cb4df355840a2f7529853a8e34ca6d9af3e9b35137c7e13a6de98874dff50b962dc1d10b4e2a3041a9efede
SSDEEP

98304:Gnbgpe4NdaEMybVR/XfJca1tzZdBTXuOMehkf9O:WUpe4qiJdxcg/

Score

10^/10

remcos rosas discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

ROSAS

C2

newstaticfreepoint24.ddns-ip.net: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
data
mouse_option
false
mutex
kljjbdlcjbavhbiluiewliuwqerlib-DDZVN3
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\VSCode = "C:\\Users\\Admin\\Favorites\\VS Code\\user-data\\Code.exe"	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.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	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4548	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 3280 wrote to memory of 4548	3280	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe	82
PID 3280 wrote to memory of 4548	3280	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe	82
PID 3280 wrote to memory of 4548	3280	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe	82
PID 3280 wrote to memory of 4548	3280	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe	82
PID 3280 wrote to memory of 4548	3280	f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe	82

C:\Users\Admin\AppData\Local\Temp\f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe
"C:\Users\Admin\AppData\Local\Temp\f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3280
- C:\Users\Admin\AppData\Local\Temp\f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe
  "C:\Users\Admin\AppData\Local\Temp\f3646ac33546540137231400c43e90525e2bc6fad1ba2c27cb56466c65bd58b3.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4548

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\data\registros.dat

Filesize
184B

MD5
1708b27b22357008e621b408445960e8

SHA1
1d3cedf044b8d0617728884004d52fbd4928b9d6

SHA256
2669eabc399379daeba8bbe15a7da6481c5d2a11d7911972e86dd545943641a0

SHA512
f4a6adb7fdeb77b37fc176360e7b8fb5df0872298955c2fa6be92722d86a10b3cd7319e4ce2c5d72d395f0ac11e0c7c22d3acf72c33bb028593fee114b6154e3

Download Submit
memory/3280-0-0x000000000082B000-0x000000000082F000-memory.dmp

Filesize
16KB

Download
memory/3280-1-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/4548-16-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-21-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-5-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-8-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-9-0x0000000000400000-0x0000000000C6C000-memory.dmp

Filesize
8.4MB

Download
memory/4548-10-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-15-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-3-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-2-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-4-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-22-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-28-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-29-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-34-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-35-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-40-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-42-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-47-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download
memory/4548-48-0x0000000000C70000-0x0000000000CEF000-memory.dmp

Filesize
508KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads