remcos | f29af471bd6ae227e1937769b3bc2341a5906732374a25137ab6d8715bedc874

Analysis

max time kernel
151s
max time network
155s
platform
windows10-2004_x64
resource
win10v2004-20220310-en
submitted
23/03/2022, 20:06

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General

Target
8ae0ded91f909312c205a612dd9950bf.exe
Size 936KB
Sample220323-yvgf4aaec9
SHA256 f29af471bd6ae227e1937769b3bc2341a5906732374a25137ab6d8715bedc874
MD5 8ae0ded91f909312c205a612dd9950bf
SHA1 3a3e8712783e18473c92ccf22c26919bef1858a3
SHA512 a6c88a0d8d6c2958b4001ee9228242858c5c79eba88bea36b43a8f1cf0d6883fc3f74746525ef56f1c6a18eb11ae2f0a9e9394f78a72f1460b41f2967239f62d
MD5 SHA1 SHA512

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

pushpush9810.ddns.net:9810
bilibili610003.duckdns.org:9810

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
coscos-W84T8K
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-1-5-21-2403053463-4052593947-3703345493-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\Xhlisne = "C:\\Users\\Public\\ensilhX.url"	8ae0ded91f909312c205a612dd9950bf.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91
PID 1892 wrote to memory of 4812	1892	8ae0ded91f909312c205a612dd9950bf.exe	91

C:\Users\Admin\AppData\Local\Temp\8ae0ded91f909312c205a612dd9950bf.exe
"C:\Users\Admin\AppData\Local\Temp\8ae0ded91f909312c205a612dd9950bf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1892
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  PID:4812

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

T1060

Privilege Escalation

Defense Evasion

Modify Registry

T1112

Credential Access

Discovery

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

memory/4812-136-0x0000000072600000-0x000000007267D000-memory.dmp

Download

memory/4812-137-0x0000000000400000-0x000000000047A000-memory.dmp