remcos | b54f924a07ee1c654ecff008101fb1d9872e1758ce4071ce50f068d636d52f71

General

Target

New_Order_for_September#442625272-doc-signed copy.exe
Size

627KB
MD5

0629911d271af1a69e2a09dc9ef8cfb5
SHA1

d4a04d08eeee3a2e4cd620c5efdb73865db3dd98
SHA256

0fe89951109e6ef6331f9c96ee018493fdfc88e063a8a42e0ec369c9514c95d6
SHA512

9e7b31ca1ec5bc22ea9c730b74621b965d6b995be4d1d333156feb4359f796af173297281deb324d80574097e8214226db81adae3c16b946bd70258a0cfe9669

Score

10^/10

remcos septttt persistence rat

Malware Config

Extracted

Family

remcos

Botnet

septttt

C2

204.44.86.179:49151

123qwegus.duckdns.org:49151

Attributes

audio_folder
MicRecords
audio_path
%AppData%
audio_record_time
5
connect_delay
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-ZXIQGD
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:

New_Order_for_September#442625272-doc-signed copy.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-2559286294-2439613352-4032193287-1000\Software\Microsoft\Windows\CurrentVersion\Run\Dvgxvhr = "C:\\Users\\Public\\Libraries\\rhvxgvD.url"	New_Order_for_September#442625272-doc-signed copy.exe

Suspicious use of WriteProcessMemory 15 IoCs

Processes:

New_Order_for_September#442625272-doc-signed copy.exe

description	pid	process	target process
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe
PID 3332 wrote to memory of 2612	3332	New_Order_for_September#442625272-doc-signed copy.exe	dialer.exe

C:\Users\Admin\AppData\Local\Temp\New_Order_for_September#442625272-doc-signed copy.exe
"C:\Users\Admin\AppData\Local\Temp\New_Order_for_September#442625272-doc-signed copy.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:3332

C:\Windows\SysWOW64\dialer.exe
C:\Windows\System32\dialer.exe
2⤵
PID:2612

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/2612-120-0x0000000000000000-mapping.dmp

Download
memory/2612-122-0x0000000000E90000-0x0000000000E91000-memory.dmp

Filesize
4KB

Download
memory/2612-121-0x0000000000E60000-0x0000000000E61000-memory.dmp

Filesize
4KB

Download
memory/2612-124-0x0000000000BA0000-0x0000000000BA1000-memory.dmp

Filesize
4KB

Download
memory/2612-123-0x0000000010590000-0x000000001060C000-memory.dmp

Filesize
496KB

Download
memory/2612-125-0x0000000004460000-0x00000000044D9000-memory.dmp

Filesize
484KB

Download
memory/3332-115-0x0000000000770000-0x0000000000771000-memory.dmp

Filesize
4KB

Download
memory/3332-117-0x0000000000790000-0x00000000007AB000-memory.dmp

Filesize
108KB

Download

Analysis

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