remcos | 02d8b132efe46479349be92ee105032ffb4f6451b9439b68df46f3049844db81

General

Target

9ca31c0977758f77bebfd4b77d0aafb5.exe
Size

917KB
MD5

9ca31c0977758f77bebfd4b77d0aafb5
SHA1

8952680a883dcd8941b903ffdb2cc783f370967f
SHA256

02d8b132efe46479349be92ee105032ffb4f6451b9439b68df46f3049844db81
SHA512

750f8252dbba3adee099adf6c3035e4d08f31f15fac638f52c3bb188b66697ca7c0b2a359c2ce0e92718c8b0224ec1b4cf075daa23627ebd6491859f0152353f

Score

10^/10

remcos remotehost persistence rat

Malware Config

Extracted

Family

remcos

Version

3.2.0 Pro

Botnet

RemoteHost

C2

freelife.hopto.org:2404

freelife1.hopto.org:2404

freelife2.hopto.org:2404

freelife01.hopto.org:2404

freelife3.hopto.org:2404

freelife4.hopto.org:2404

freelife5.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
pastananiceforwhat-QQD2AI
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:

9ca31c0977758f77bebfd4b77d0aafb5.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Uhexymko = "C:\\Users\\Public\\Libraries\\okmyxehU.url"	9ca31c0977758f77bebfd4b77d0aafb5.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

9ca31c0977758f77bebfd4b77d0aafb5.exe

description	pid	process	target process
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe
PID 4796 wrote to memory of 4908	4796	9ca31c0977758f77bebfd4b77d0aafb5.exe	dialer.exe

C:\Users\Admin\AppData\Local\Temp\9ca31c0977758f77bebfd4b77d0aafb5.exe
"C:\Users\Admin\AppData\Local\Temp\9ca31c0977758f77bebfd4b77d0aafb5.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:4796

C:\Windows\SysWOW64\dialer.exe
C:\Windows\System32\dialer.exe
2⤵
PID:4908

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/4796-118-0x00000000005B0000-0x00000000006FA000-memory.dmp

Filesize
1.3MB

Download
memory/4908-119-0x0000000000000000-mapping.dmp

Download
memory/4908-121-0x0000000000800000-0x0000000000801000-memory.dmp

Filesize
4KB

Download
memory/4908-120-0x0000000000540000-0x0000000000541000-memory.dmp

Filesize
4KB

Download
memory/4908-123-0x0000000010590000-0x000000001060C000-memory.dmp

Filesize
496KB

Download
memory/4908-124-0x0000000000810000-0x0000000000889000-memory.dmp

Filesize
484KB

Download
memory/4908-122-0x00000000005A0000-0x00000000005A1000-memory.dmp

Filesize
4KB

Download

Analysis

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