remcos | 91dfaa2872553058fa716f17748a56e8e4c678c004a72f85e05c7b4949a6c789

General

Target

RFQ NV76767986553 (DRINGEND),pdf.exe
Size

622KB
MD5

66d6dd3b46315be077ceb45bd5c4359e
SHA1

223da6832cbaa6109e878d216f1c00e4569ad111
SHA256

91dfaa2872553058fa716f17748a56e8e4c678c004a72f85e05c7b4949a6c789
SHA512

322c850f9b3e3eab2ae19553e957ba222a2750caf25540bd82f2240d274852382fc4f2b55005c59290da7342b75da5345520a6f07496438f08d3b9d08da8584b

Score

10^/10

remcos e sure 4 me persistence rat

Malware Config

Extracted

Family

remcos

Botnet

E sure 4 me

C2

thankyoulord4real.ddns.net:3030

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-7DDGKV
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:

RFQ NV76767986553 (DRINGEND),pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2513283230-931923277-594887482-1000\Software\Microsoft\Windows\CurrentVersion\Run\Ekvalym = "C:\\Users\\Public\\Libraries\\mylavkE.url"	RFQ NV76767986553 (DRINGEND),pdf.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

RFQ NV76767986553 (DRINGEND),pdf.exe

description	pid	process	target process
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe
PID 736 wrote to memory of 568	736	RFQ NV76767986553 (DRINGEND),pdf.exe	DpiScaling.exe

C:\Users\Admin\AppData\Local\Temp\RFQ NV76767986553 (DRINGEND),pdf.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ NV76767986553 (DRINGEND),pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:736

C:\Windows\SysWOW64\DpiScaling.exe
C:\Windows\System32\DpiScaling.exe
2⤵
PID:568

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/568-62-0x0000000000000000-mapping.dmp

Download
memory/568-65-0x0000000000140000-0x0000000000141000-memory.dmp

Filesize
4KB

Download
memory/568-67-0x0000000010590000-0x000000001060D000-memory.dmp

Filesize
500KB

Download
memory/568-66-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download
memory/568-68-0x0000000000290000-0x000000000030A000-memory.dmp

Filesize
488KB

Download
memory/568-64-0x00000000000C0000-0x00000000000C1000-memory.dmp

Filesize
4KB

Download
memory/736-60-0x00000000757E1000-0x00000000757E3000-memory.dmp

Filesize
8KB

Download
memory/736-61-0x00000000001B0000-0x00000000001B1000-memory.dmp

Filesize
4KB

Download

Analysis

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