remcos | 7fe3f35478ad3a11c35a6336e1f4f3f632d1e35a44846dce9aa787d930b92dd9

Analysis

max time kernel
149s
max time network
153s
platform
windows7_x64
resource
win7-20220812-en
resource tags

arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
submitted
01-11-2022 04:18

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General

Target

RFQ- SPECIFICATIONS 202226.exe
Size

1.4MB
MD5

d004399ea50dc7631ab371186c4c5961
SHA1

8c3d7dfc12a2f2b507d4bacb97e9335ee73f1666
SHA256

7fe3f35478ad3a11c35a6336e1f4f3f632d1e35a44846dce9aa787d930b92dd9
SHA512

4378745027acc10a43e59b80c853e17ff5001a956a9fc342eb1bc5cd19a61423766e1196fa129be53cc675432ffca924c0e5fc785696829120ab4953e95cf731
SSDEEP

6144:6jD1IvNn8dym8wRhUlJ3ULpTM/r7G5qPD3xauV/UmxJzuIWHMjv8F0d:eLOlJ1kEBzHbIU

Score

10^/10

remcos new rem stub rat

Malware Config

Extracted

Family

remcos

Botnet

NEW REM STUB

valvesco.duckdns.org:5050

Attributes

audio_folder
MicRecords
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
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-48V73L
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

Signatures

Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos
Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs

Processes:

RFQ- SPECIFICATIONS 202226.exe

description pid process target process

PID 1708 created 1420 1708 RFQ- SPECIFICATIONS 202226.exe Explorer.EXE
Suspicious use of SetThreadContext 1 IoCs

Processes:

RFQ- SPECIFICATIONS 202226.exe

description pid process target process

PID 1708 set thread context of 2008 1708 RFQ- SPECIFICATIONS 202226.exe RFQ- SPECIFICATIONS 202226.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

RFQ- SPECIFICATIONS 202226.exe

pid process

2008 RFQ- SPECIFICATIONS 202226.exe

description	pid	process	target process
PID 1708 created 1420	1708	RFQ- SPECIFICATIONS 202226.exe	Explorer.EXE

description	pid	process	target process
PID 1708 set thread context of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe

pid	process
2008	RFQ- SPECIFICATIONS 202226.exe

Suspicious use of WriteProcessMemory 16 IoCs

Processes:

RFQ- SPECIFICATIONS 202226.exe

C:\Windows\Explorer.EXE
C:\Windows\Explorer.EXE
1⤵
PID:1420

C:\Users\Admin\AppData\Local\Temp\RFQ- SPECIFICATIONS 202226.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ- SPECIFICATIONS 202226.exe"
2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:1708

C:\Users\Admin\AppData\Local\Temp\RFQ- SPECIFICATIONS 202226.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ- SPECIFICATIONS 202226.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2008

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/1708-54-0x00000000010F0000-0x0000000001258000-memory.dmp

Filesize
1.4MB

Download
memory/1708-55-0x0000000000450000-0x000000000049E000-memory.dmp

Filesize
312KB

Download
memory/2008-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2008-57-0x00000000004327A4-mapping.dmp

Download
memory/2008-59-0x0000000076121000-0x0000000076123000-memory.dmp

Filesize
8KB

Download
memory/2008-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2008-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2008-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download

description	pid	process	target process
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe
PID 1708 wrote to memory of 2008	1708	RFQ- SPECIFICATIONS 202226.exe	RFQ- SPECIFICATIONS 202226.exe