remcos | 5508d3fe5c41c4dec4a7570f0d60af3b6ba8cb9251ee1eae91e8fc061c3f58ef

General

Target

IMG_8100034200035389923.exe
Size

779KB
MD5

c69fdd6ab6ec38f6caa4254fc0160e2d
SHA1

a0cc76173c576dc1ce58a81649df71a8165d99ba
SHA256

5508d3fe5c41c4dec4a7570f0d60af3b6ba8cb9251ee1eae91e8fc061c3f58ef
SHA512

e31064aea87cbaa59f89f8b0bfc5d6a7b7474771f17354223e9b11e4c600558345f2a3ae371ee7d223773d87237ea0a932db8a6993dadb868977c726bb795c75

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Version

3.3.2 Pro

Botnet

RemoteHost

C2

proprapra90.ddns.net:8810

storeyman7109.duckdns.org:8810

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
morethan-CJ2X2C
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

Processes:

IMG_8100034200035389923.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-369956170-74428499-1628131376-1000\Software\Microsoft\Windows\CurrentVersion\Run\Lvughbdemq = "C:\\Users\\Admin\\Contacts\\qmedbhguvL.url"	IMG_8100034200035389923.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

IMG_8100034200035389923.exe

description	pid	process	target process
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe
PID 2468 wrote to memory of 1096	2468	IMG_8100034200035389923.exe	DpiScaling.exe

C:\Users\Admin\AppData\Local\Temp\IMG_8100034200035389923.exe
"C:\Users\Admin\AppData\Local\Temp\IMG_8100034200035389923.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2468

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
2⤵
PID:1096

Network

MITRE ATT&CK Matrix ATT&CK 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

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

memory/1096-228-0x0000000000B80000-0x0000000000B81000-memory.dmp

Filesize
4KB

Download
memory/1096-230-0x0000000000BB0000-0x0000000000BB1000-memory.dmp

Filesize
4KB

Download
memory/1096-229-0x0000000000E40000-0x0000000000E41000-memory.dmp

Filesize
4KB

Download
memory/1096-231-0x0000000074200000-0x000000007427E000-memory.dmp

Filesize
504KB

Download
memory/1096-232-0x0000000000E50000-0x0000000000ECB000-memory.dmp

Filesize
492KB

Download
memory/2468-118-0x0000000002220000-0x00000000023D0000-memory.dmp

Filesize
1.7MB

Download

Analysis

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