remcos | 68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b

General

Target

68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe
Size

2.0MB
MD5

8d59b512e386e252f998fa7306c7ace8
SHA1

43ca95ff08ccf59becda1814f7cf6738cb6673ad
SHA256

68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b
SHA512

eb46c99fca91f2d4edb96eaaecadf1a84a5fd139b146022859c8c9669f042329c0177ea0aac68a2cbbcb9c330b91d53d0e65eae87afd23756074bbdc4a09c8fc
SSDEEP

49152:ZbPCiv+u88nHq5Ha1bOuhPilUyDTtEAECwtAepEEYGV:hPCAotjECud

Score

10^/10

remcos vuendia discovery persistence rat

Malware Config

Extracted

Family

remcos

Botnet

VUENDIA

C2

jorgeperezpu145.con-ip.com:1661

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-I897UU
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-1-5-21-355097885-2402257403-2971294179-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\DellDockThunder = "C:\\Users\\Admin\\Pictures\\DellDock\\DellDockUpdater.exe䬀"	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.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	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
4604	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe

Suspicious use of WriteProcessMemory 5 IoCs

description	pid	Process	procid_target
PID 2636 wrote to memory of 4604	2636	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe	86
PID 2636 wrote to memory of 4604	2636	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe	86
PID 2636 wrote to memory of 4604	2636	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe	86
PID 2636 wrote to memory of 4604	2636	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe	86
PID 2636 wrote to memory of 4604	2636	68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe	86

C:\Users\Admin\AppData\Local\Temp\68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe
"C:\Users\Admin\AppData\Local\Temp\68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe"
1⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2636
- C:\Users\Admin\AppData\Local\Temp\68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe
  "C:\Users\Admin\AppData\Local\Temp\68d9aa433bbb7ddfb7297524089b1550b1a60e7e46bd2c254f0633b3b485142b.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  - Suspicious use of SetWindowsHookEx
  PID:4604

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
b4d99c663d502d1a6a78b24a580ab942

SHA1
4698b70bceddcac235e29a38bec2ca9d0c7e3daf

SHA256
f97087b205186f3cf0f0e917c8d13a721b91e9f5747bd7c5b712ebd077643d2e

SHA512
80369db75fee83a5709a4d933996de73034214616cddd472849e11caabaeeb91b8190d6a5a3b765c26bb4181a6c30dc2a47ab5769960561b6d3fa61c118ece89

Download Submit
memory/2636-2-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2636-0-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2636-3-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2636-4-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2636-5-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2636-10-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2636-1-0x000000000043B000-0x0000000000454000-memory.dmp

Filesize
100KB

Download
memory/2636-9-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/2636-7-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4604-17-0x0000000000400000-0x00000000005FC000-memory.dmp

Filesize
2.0MB

Download
memory/4604-24-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-16-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-6-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-12-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-18-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-19-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-20-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-22-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-13-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-25-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-26-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-11-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-33-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-34-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-41-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-42-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-49-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-57-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download
memory/4604-58-0x0000000000600000-0x0000000000682000-memory.dmp

Filesize
520KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads