remcos | 8a4f39f938cbe854d8c74e2e3f4b067540a127844d2dc66892f65caa4292985f

General

Target
Document.exe
Size 1017KB
Sample211027-xjmcjagce5
SHA256 8a4f39f938cbe854d8c74e2e3f4b067540a127844d2dc66892f65caa4292985f
MD5 04de26bc4443b2adcca450c58f48abcd
SHA1 19845e70a4ff2ae8778cb0f6d6df6c75ffdf4574
SHA512 bb96f81044dcda852ddb179dcbf1d1e0554302cc004139b1e165085d9b30b6068918a8db444cd66e5fa94578de5a6a4d7b42724621ecb3d8a8a4fac15833eeb5
MD5 SHA1 SHA512

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

remman1.ddns.net:2404
remman2.ddns.net:2404
remman3.ddns.net:2404
remman4.ddns.net:2404
remman5.ddns.net:2404
remman6.ddns.net: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
hgdtryfhfhf-M7L5HM
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-1-5-21-941723256-3451054534-3089625102-1000\Software\Microsoft\Windows\CurrentVersion\Run\Mdclqq = "C:\\Users\\Public\\Libraries\\\\qqlcdM.url"	Document.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	Document.exe	69
PID 2704 wrote to memory of 3616	2704	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:2704
- C:\Windows\SysWOW64\logagent.exe
  C:\Windows\System32\logagent.exe
  2⤵
  PID:3616

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/2704-115-0x0000000000790000-0x00000000007B3000-memory.dmp

Download

memory/2704-116-0x00000000007E1000-0x00000000007F5000-memory.dmp

Download

memory/3616-119-0x0000000001080000-0x0000000001081000-memory.dmp

Download

memory/3616-118-0x0000000000DC0000-0x0000000000DC1000-memory.dmp

Download

memory/3616-121-0x0000000072600000-0x000000007267C000-memory.dmp

Download

memory/3616-120-0x0000000001020000-0x0000000001021000-memory.dmp

Download

memory/3616-122-0x0000000001090000-0x0000000001109000-memory.dmp

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads