remcos | f555b62bf0009296fac351876b799bce9c56ff50412639a7c465f5e542f5fef3

General

Target

TVVOP-MIOO Sidenor ,pdf.exe
Size

635KB
MD5

5bbd841e1c53b96289116be04d0c1df8
SHA1

3e3297148c0a26d58b32b830479a6482e75b9086
SHA256

f555b62bf0009296fac351876b799bce9c56ff50412639a7c465f5e542f5fef3
SHA512

0d98c680a2fc01528a44580ded3920390d4d0221ab1e6a03ab1fafdb46ef529aefc8a25da7c8d668482b25433403d2a18f0c6ee4b5e4944a593b51e75a61c1aa

Score

10^/10

remcos ok man persistence rat suricata

Malware Config

Extracted

Family

remcos

Botnet

OK MAN

C2

zion6.ddns.net:2815

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
Remcos-24CTXX
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
suricata: ET MALWARE Remocs 3.x Unencrypted Checkin
suricata
suricata: ET MALWARE Remocs 3.x Unencrypted Server Response
suricata

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

Processes:

TVVOP-MIOO Sidenor ,pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Satvqfa = "C:\\Users\\Public\\Libraries\\afqvtaS.url"	TVVOP-MIOO Sidenor ,pdf.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

TVVOP-MIOO Sidenor ,pdf.exe

description	pid	process	target process
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe
PID 644 wrote to memory of 1468	644	TVVOP-MIOO Sidenor ,pdf.exe	mobsync.exe

C:\Users\Admin\AppData\Local\Temp\TVVOP-MIOO Sidenor ,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\TVVOP-MIOO Sidenor ,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:644

C:\Windows\SysWOW64\mobsync.exe
C:\Windows\System32\mobsync.exe
2⤵
PID:1468

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/644-114-0x0000000000A40000-0x0000000000A41000-memory.dmp

Filesize
4KB

Download
memory/644-116-0x0000000002350000-0x000000000236B000-memory.dmp

Filesize
108KB

Download
memory/1468-119-0x0000000000000000-mapping.dmp

Download
memory/1468-121-0x0000000000410000-0x0000000000411000-memory.dmp

Filesize
4KB

Download
memory/1468-120-0x0000000000150000-0x0000000000151000-memory.dmp

Filesize
4KB

Download
memory/1468-123-0x0000000010590000-0x000000001060D000-memory.dmp

Filesize
500KB

Download
memory/1468-122-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/1468-124-0x0000000000420000-0x000000000049A000-memory.dmp

Filesize
488KB

Download

Analysis

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