remcos | ddfc4415217ec461350071b0965a1132ad43472bdc15980da23c46d8f1da188e

General

Target
IMG_4100047645799946532.scr
Size 928KB
Sample220120-mg376ahegr
SHA256 ddfc4415217ec461350071b0965a1132ad43472bdc15980da23c46d8f1da188e
MD5 afd35e9511ec398191a4027c5db6e5a6
SHA1 2e70c2033b5f07ff3ca69ba396080e10b240f810
SHA512 c10e70576273ff6022a8403fad2833be6b2eff43d648117e5111b8aa76cd69ec4c3a742ce22257f62cc9b38652c2cf608dd31b55830bff22cd651a4f7dcb784f
MD5 SHA1 SHA512

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Version

3.3.2 Pro

Botnet

RemoteHost

C2

flatbar21004.duckdns.org:7810
playtime40098.ddns.net:7810

Attributes

audio_folder
MicRecords
audio_path
%AppData%
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
install_path
%AppData%
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
keylog_path
%AppData%
mouse_option
false
mutex
comres-ISTZOF
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
startup_value
Remcos
take_screenshot_option
false
take_screenshot_time
5
take_screenshot_title
notepad;solitaire;

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

T1060

Modify Registry

T1112

description	ioc	Process
Set value (str)	\REGISTRY\USER\S-1-5-21-3846991908-3261386348-1409841751-1000\Software\Microsoft\Windows\CurrentVersion\Run\Nwcxcxffke = "C:\\Users\\Admin\\Contacts\\ekffxcxcwN.url"	IMG_4100047645799946532.scr

Suspicious use of WriteProcessMemory 16 IoCs

description	pid	Process	procid_target
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29
PID 1608 wrote to memory of 1788	1608	IMG_4100047645799946532.scr	29

C:\Users\Admin\AppData\Local\Temp\IMG_4100047645799946532.scr
"C:\Users\Admin\AppData\Local\Temp\IMG_4100047645799946532.scr" /S
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1608
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  PID:1788

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1608-54-0x00000000001C0000-0x00000000001C1000-memory.dmp

Download

memory/1608-55-0x0000000076451000-0x0000000076453000-memory.dmp

Download

memory/1788-67-0x00000000000C0000-0x00000000000C1000-memory.dmp

Download

memory/1788-71-0x00000000000C0000-0x00000000000C1000-memory.dmp

Download

memory/1788-79-0x0000000072600000-0x000000007267E000-memory.dmp

Download

memory/1788-82-0x00000000001C0000-0x00000000001C1000-memory.dmp

Download

memory/1788-83-0x0000000000220000-0x0000000000221000-memory.dmp

Download

memory/1788-84-0x0000000072600000-0x000000007267E000-memory.dmp

Download

memory/1788-85-0x0000000000250000-0x00000000002CB000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads