remcos | 84eedf1c6f0b09177547e350d6bb53ee3b84aa48878f8f9d9135fdc69faa3535

Analysis

max time kernel
150s
max time network
148s
platform
windows7_x64
resource
win7-20220901-en
resource tags

arch:x64arch:x86image:win7-20220901-enlocale:en-usos:windows7-x64system
submitted
17-10-2022 13:07

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General

Target

Order Spec 2022.exe
Size

1.4MB
MD5

1acb5b0d0ac6abf2edf61d63b2ceb1c1
SHA1

31cdd92740a339489ae7f5789b9a2ad13b046c2b
SHA256

84eedf1c6f0b09177547e350d6bb53ee3b84aa48878f8f9d9135fdc69faa3535
SHA512

21045d857ce28b1b86533bcb2ae434b8f547c4e5a4e8e34bde7d430057e6ab0238830c159e38ea383772172eaf7796ea7fa5edd0640373bd4e64c18018e52061
SSDEEP

24576:RphcpB+BlynR/6LDd3dDgPVwFf9/pO0TnS6DVroQSlGTyFMBl4b:eB+biRcrUPVwFVQqSKpoQFTGMBmb

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 SetThreadContext 1 IoCs

Processes:

Order Spec 2022.exe

description pid process target process

PID 828 set thread context of 2020 828 Order Spec 2022.exe Order Spec 2022.exe
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

Order Spec 2022.exe

pid process

2020 Order Spec 2022.exe

description	pid	process	target process
PID 828 set thread context of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe

pid	process
2020	Order Spec 2022.exe

Suspicious use of WriteProcessMemory 13 IoCs

Processes:

Order Spec 2022.exe

description	pid	process	target process
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe
PID 828 wrote to memory of 2020	828	Order Spec 2022.exe	Order Spec 2022.exe

C:\Users\Admin\AppData\Local\Temp\Order Spec 2022.exe
"C:\Users\Admin\AppData\Local\Temp\Order Spec 2022.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:828

C:\Users\Admin\AppData\Local\Temp\Order Spec 2022.exe
"C:\Users\Admin\AppData\Local\Temp\Order Spec 2022.exe"
2⤵
- Suspicious use of SetWindowsHookEx
PID:2020

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/828-54-0x0000000001360000-0x00000000014D6000-memory.dmp

Filesize
1.5MB

Download
memory/828-55-0x0000000075AC1000-0x0000000075AC3000-memory.dmp

Filesize
8KB

Download
memory/828-56-0x00000000002F0000-0x000000000030A000-memory.dmp

Filesize
104KB

Download
memory/828-57-0x0000000000AE0000-0x0000000000AEC000-memory.dmp

Filesize
48KB

Download
memory/828-58-0x000000000A5E0000-0x000000000A6F0000-memory.dmp

Filesize
1.1MB

Download
memory/828-59-0x000000000A6F0000-0x000000000A7AC000-memory.dmp

Filesize
752KB

Download
memory/2020-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-73-0x00000000004327A4-mapping.dmp

Download
memory/2020-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-76-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-77-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2020-78-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download