remcos | d69cdc20da26cfa4b9404fb0477866d243c2e36c0e871d169cd381b358b3c95b

General

Target

PO - RFQ # 097663899 NEW ORDER,pdf.exe
Size

622KB
MD5

e9e1a20eab24021acf8fa3af5fa05cf1
SHA1

b1bdfb2eeb904a9d2ee6cc4230bd0f5a1c6a89b7
SHA256

d69cdc20da26cfa4b9404fb0477866d243c2e36c0e871d169cd381b358b3c95b
SHA512

64a28c47ce130dd259c380364d0a4d83d264cf80870e48bb8de9f22d6b63dd1d013f1804ed93f2502a78255676bf3042a667f7d3db1c602882746b5034814e00

Score

10^/10

remcos las las persistence rat

Malware Config

Extracted

Family

remcos

Botnet

LAS LAS

C2

goddywin.freedynamicdns.net:4108

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-YZ590Y
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:

PO - RFQ # 097663899 NEW ORDER,pdf.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1594587808-2047097707-2163810515-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hogcaua = "C:\\Users\\Public\\Libraries\\auacgoH.url"	PO - RFQ # 097663899 NEW ORDER,pdf.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

PO - RFQ # 097663899 NEW ORDER,pdf.exe

description	pid	process	target process
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe
PID 632 wrote to memory of 3580	632	PO - RFQ # 097663899 NEW ORDER,pdf.exe	dialer.exe

C:\Users\Admin\AppData\Local\Temp\PO - RFQ # 097663899 NEW ORDER,pdf.exe
"C:\Users\Admin\AppData\Local\Temp\PO - RFQ # 097663899 NEW ORDER,pdf.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:632

C:\Windows\SysWOW64\dialer.exe
C:\Windows\System32\dialer.exe
2⤵
PID:3580

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

Loading Replay Monitor...

Downloads

memory/632-114-0x0000000000740000-0x0000000000741000-memory.dmp

Filesize
4KB

Download
memory/3580-115-0x0000000000000000-mapping.dmp

Download
memory/3580-117-0x0000000002810000-0x0000000002811000-memory.dmp

Filesize
4KB

Download
memory/3580-116-0x0000000002570000-0x0000000002571000-memory.dmp

Filesize
4KB

Download
memory/3580-119-0x0000000010590000-0x000000001060D000-memory.dmp

Filesize
500KB

Download
memory/3580-118-0x00000000025D0000-0x00000000025D1000-memory.dmp

Filesize
4KB

Download
memory/3580-120-0x00000000043C0000-0x000000000443A000-memory.dmp

Filesize
488KB

Download

Analysis

Sharing