remcos | 95af4df2aea94c9836fe7a3c8fbb8ef28e2a377c4d9d5c9530825e0cb7a350d6

General

Target
Document.exe
Size 987KB
Sample211101-l3dc7aedcj
SHA256 95af4df2aea94c9836fe7a3c8fbb8ef28e2a377c4d9d5c9530825e0cb7a350d6
MD5 de6f5da7c4ef1b3baeb9e9ea35d4c7db
SHA1 d0973faded23225baa0e4c45b3ad75d2cc9c6911
SHA512 e1a8a6291be11a376a69c13e45951d5b711852f8516d8155458fffc64f31b5a5bd07e0ba6cbf062c3476c9ec164c6c73b96c3df45fda0efadd5a76c0eab64f70
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

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-S5XSKB
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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Vjvekgyh = "C:\\Users\\Public\\\\hygkevjV.url"	Document.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
2280	DpiScaling.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	Document.exe	69
PID 2112 wrote to memory of 2280	2112	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:2112
- C:\Windows\SysWOW64\DpiScaling.exe
  C:\Windows\System32\DpiScaling.exe
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:2280

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/2112-115-0x0000000002310000-0x0000000002311000-memory.dmp

Download

memory/2112-116-0x00000000028C1000-0x00000000028D5000-memory.dmp

Download

memory/2280-119-0x0000000000D30000-0x0000000000D31000-memory.dmp

Download

memory/2280-118-0x0000000000C70000-0x0000000000C71000-memory.dmp

Download

memory/2280-121-0x00000000725B0000-0x00000000725D3000-memory.dmp

Download

memory/2280-120-0x0000000000CD0000-0x0000000000CD1000-memory.dmp

Download

memory/2280-122-0x0000000000400000-0x0000000000421000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads