remcos | d5c05f1c0163291c2944f3424c81566292746156c94bcc11ae4a233d3da1a37e

Analysis

max time kernel
599s
max time network
595s
platform
windows10-2004_x64
resource
win10v2004-20240802-es
resource tags

arch:x64arch:x86image:win10v2004-20240802-eslocale:es-esos:windows10-2004-x64systemwindows
submitted
30-09-2024 21:20

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General

Target

FR VENT No 9786857645476890897654588909876954356878.exe
Size

1.8MB
MD5

28017f2881b5a850968490a86393074e
SHA1

3a1680d68e4c0f39b01565fbf6592bd6430e99fe
SHA256

c839c2e12a11065402dddc516407b781eb50955bd2de2fc920ab296bc66b6c61
SHA512

6de7e71aa96f18d19263e67551b3a511c983c4ca1293a69b305b2897fe28861bc36bce4b608813319c68dc5119d56634c505e2278beb792948b392108c1cc98b
SSDEEP

49152:6tqXnGPZrEU5Y/+Xn1wVvma/7DP8cijtjZRM1eic9OQq:LX+L53n1lq

Score

10^/10

remcos pensionn discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

PENSIONN

hjgfjygjfghfhfggjjgfyfgjh.con-ip.com:1666

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-PL5TC7
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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\InternetClient = "C:\\Users\\Admin\\Pictures\\InternetClient\\Troubleshooter.exe"	FR VENT No 9786857645476890897654588909876954356878.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	FR VENT No 9786857645476890897654588909876954356878.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	FR VENT No 9786857645476890897654588909876954356878.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4232	FR VENT No 9786857645476890897654588909876954356878.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 1516 wrote to memory of 4232	1516	FR VENT No 9786857645476890897654588909876954356878.exe	86
PID 1516 wrote to memory of 4232	1516	FR VENT No 9786857645476890897654588909876954356878.exe	86
PID 1516 wrote to memory of 4232	1516	FR VENT No 9786857645476890897654588909876954356878.exe	86
PID 1516 wrote to memory of 4232	1516	FR VENT No 9786857645476890897654588909876954356878.exe	86
PID 1516 wrote to memory of 4232	1516	FR VENT No 9786857645476890897654588909876954356878.exe	86

C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe
"C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1516
- C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe
  "C:\Users\Admin\AppData\Local\Temp\FR VENT No 9786857645476890897654588909876954356878.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4232

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
c3475c2d185db3a6d211740e205050d4

SHA1
18ca395a953bfcb50c7910173dd165613a8f072e

SHA256
d3f419f12665be2510f14aa334ef1b18c0c5359c64166e94141fd3710c60c4bd

SHA512
44fa27a7540673d40ed1d53ab314577bd5e62bb0fa9a322759ea60b538ab67e8df5b304fc96836e01ee4fbe8e1dfb04457ae77d3a9fc51f58840c79d2586c842

Download Submit
memory/1516-0-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-2-0x000000000040B000-0x0000000000423000-memory.dmp

Filesize
96KB

Download
memory/1516-1-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-5-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-8-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-11-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-10-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-7-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-3-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/1516-21-0x000000000040B000-0x0000000000423000-memory.dmp

Filesize
96KB

Download
memory/4232-70-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-90-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-12-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-14-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-17-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-18-0x0000000000400000-0x00000000005DC000-memory.dmp

Filesize
1.9MB

Download
memory/4232-19-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-26-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-27-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-32-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-33-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-38-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-40-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-45-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-46-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-51-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-52-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-58-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-59-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-64-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-65-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-9-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-72-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-77-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-78-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-83-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-84-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-13-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-91-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-96-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-97-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-102-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-104-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-109-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-110-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-115-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-116-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-122-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-123-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-128-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-129-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-134-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-136-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-141-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-142-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-147-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-148-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-154-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-155-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-160-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-161-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-166-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-168-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-173-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download
memory/4232-174-0x00000000005E0000-0x0000000000662000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads