remcos | 617c26fdcee79a9c0bf97456acaa65c691e7269866ad88aabf655330d2fc50bd

Analysis

max time kernel
150s
max time network
136s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
02-06-2023 13:33

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General

Target

file.exe
Size

590KB
MD5

200f70cceffbcc69815d125f1ca40fd8
SHA1

137dc1cd3b2b5662e93595a348115cef942ff394
SHA256

617c26fdcee79a9c0bf97456acaa65c691e7269866ad88aabf655330d2fc50bd
SHA512

a9a6f74090e777a027727f4a72c2b6b6235e73bfa07c1db78d8f7f912c9c7d92878b309de6d5413a373a19a3a2a69c2418194efd597a670b5b40fdba0954cafe
SSDEEP

12288:P5S5QdJaSO35Y8y67puHSmNjYFnXgZDLfGxPRpCcPe+7We4:nJm5YgCNj4wlfGP4yJ7X4

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

pekonomia.duckdns.org:30861

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-B0VP4N
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:

file.exe

description pid process target process

PID 4936 set thread context of 2720 4936 file.exe aspnet_compiler.exe

description	pid	process	target process
PID 4936 set thread context of 2720	4936	file.exe	aspnet_compiler.exe

Suspicious use of WriteProcessMemory 12 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe
PID 4936 wrote to memory of 2720	4936	file.exe	aspnet_compiler.exe

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
PID:4936

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2720-144-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-138-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-157-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-148-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-147-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-139-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-140-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-141-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-142-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-143-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-135-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-156-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-137-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-149-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-150-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-152-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-153-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-154-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/2720-155-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4936-134-0x000001DFDF380000-0x000001DFDF390000-memory.dmp

Filesize
64KB

Download
memory/4936-133-0x000001DFC4DD0000-0x000001DFC4E62000-memory.dmp

Filesize
584KB

Download