remcos | 3da0a121182f06ffdc6e8305f04b89aa2bf57ef24befa9717b0bf3c138918339

General

Target
DOCUMENT.EXE
Size 1.0MB
Sample211121-t64csahbb6
SHA256 3da0a121182f06ffdc6e8305f04b89aa2bf57ef24befa9717b0bf3c138918339
MD5 afc2f1e0de5619ab23ff5bcccb76c6ee
SHA1 7fed8cf514229adbe8e99a69d32286b93017e5d5
SHA512 d5bf536b3ba0898eff30b45ea9f755c3bbf40db7625388d089402ed7a0b7fbb0105b283cb8f01bdc9ed557baf2977c0a402b05f86435b9f83962d43a1f58f67a
MD5 SHA1 SHA512

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Version

2.7.2 Pro

Botnet

RemoteHost

C2

rem1.camdvr.org:2404
rem16.hopto.org:2404
rem1666.hopto.org:2404
rem16.camdvr.org:2404
remmusic.freeddns.org:2404
sunwap1.ddns.net:2404
rem166.hopto.org:2404
TEMPREM2021.kozow.com:2404

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
hjtfjytfcyhnghncghc-VX0P5D
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
wikipedia;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-1-5-21-1042495040-510797905-2613508344-1000\Software\Microsoft\Windows\CurrentVersion\Run\Qfudgzti = "C:\\Users\\Public\\Libraries\\Qfudgzti\\itzgdufQ.url"	DOCUMENT.EXE

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
1188	DpiScaling.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69
PID 2932 wrote to memory of 1188	2932	DOCUMENT.EXE	69

C:\Users\Admin\AppData\Local\Temp\DOCUMENT.EXE
"C:\Users\Admin\AppData\Local\Temp\DOCUMENT.EXE"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:2932
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:1188

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

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Downloads

memory/1188-122-0x00000000010D0000-0x00000000010D1000-memory.dmp

Download

memory/1188-121-0x0000000001070000-0x0000000001071000-memory.dmp

Download

memory/1188-124-0x0000000000FB0000-0x0000000000FB1000-memory.dmp

Download

memory/1188-123-0x00000000725B0000-0x00000000725D3000-memory.dmp

Download

memory/1188-125-0x0000000000400000-0x0000000000421000-memory.dmp

Download

memory/2932-118-0x0000000002240000-0x0000000002241000-memory.dmp

Download

memory/2932-119-0x00000000022F1000-0x0000000002305000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads