remcos | 3e2cbec529e71d79dd01d224c6c8d1ca3eda3b97ff20934a40211aeeb7acb071

Analysis

max time kernel
1800s
max time network
1499s
platform
windows11-21h2_x64
resource
win11-20240412-en
resource tags

arch:x64arch:x86image:win11-20240412-enlocale:en-usos:windows11-21h2-x64system
submitted
19-04-2024 11:29

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General

Target

Sig.exe
Size

2.4MB
MD5

08af4fe7a63fd577b9ad3f3ae3d7fa31
SHA1

2554caa32676bbda6e6d3accbd505440507881ad
SHA256

3e2cbec529e71d79dd01d224c6c8d1ca3eda3b97ff20934a40211aeeb7acb071
SHA512

065ace306bdbc964fea2d0ee77fc80508a9ecdffd822bafed7455e3b57904feefa8d3bfaa9fe8f2680ee3b38b4f7e56fd106b1933c76176591329d6cccb8dacf
SSDEEP

49152:FFbkzSYl+aFUUhf3LIE3VEa9Ml9MW0svtTlIcp0:FnoL33VEa9nIDI/

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Version

4.9.3 Light

Botnet

RemoteHost

127.0.0.1:2404

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-52SPIJ
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
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 NtCreateThreadExHideFromDebugger 1 IoCs

Processes:

Sig.exe

pid process

5052 Sig.exe
Suspicious use of FindShellTrayWindow 1 IoCs

Processes:

Sig.exe

pid process

2720 Sig.exe
Suspicious use of SendNotifyMessage 1 IoCs

Processes:

Sig.exe

pid process

2720 Sig.exe

pid	process
5052	Sig.exe

pid	process
2720	Sig.exe

pid	process
2720	Sig.exe

Suspicious use of WriteProcessMemory 6 IoCs

Processes:

Sig.exe

description	pid	process	target process
PID 5052 wrote to memory of 2720	5052	Sig.exe	Sig.exe
PID 5052 wrote to memory of 2720	5052	Sig.exe	Sig.exe
PID 5052 wrote to memory of 2720	5052	Sig.exe	Sig.exe
PID 5052 wrote to memory of 2720	5052	Sig.exe	Sig.exe
PID 5052 wrote to memory of 2720	5052	Sig.exe	Sig.exe
PID 5052 wrote to memory of 2720	5052	Sig.exe	Sig.exe

C:\Users\Admin\AppData\Local\Temp\Sig.exe
"C:\Users\Admin\AppData\Local\Temp\Sig.exe"
1⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of WriteProcessMemory
PID:5052

C:\Users\Admin\AppData\Local\Temp\Sig.exe
"C:\Users\Admin\AppData\Local\Temp\Sig.exe"
2⤵
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
PID:2720

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2720-1-0x00000000001D0000-0x00000000001D1000-memory.dmp

Filesize
4KB

Download
memory/2720-5-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-6-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-7-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-9-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-8-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-10-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-11-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-12-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-13-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-14-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-15-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-16-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-17-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-18-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-19-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-20-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-21-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-22-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-23-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-24-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-25-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-26-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-27-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-28-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-29-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-30-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-31-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-32-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-33-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-34-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-35-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-36-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-37-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-38-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-39-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-40-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-41-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-42-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-43-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-44-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-45-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-46-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-47-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-48-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-49-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-50-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-51-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-52-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-53-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-54-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-55-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-56-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-57-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-58-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-59-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-60-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-61-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-62-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-63-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-64-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-65-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/2720-66-0x0000000000660000-0x00000000006D5000-memory.dmp

Filesize
468KB

Download
memory/5052-0-0x0000000000400000-0x000000000065A000-memory.dmp

Filesize
2.4MB

Download
memory/5052-2-0x0000000000400000-0x000000000065A000-memory.dmp

Filesize
2.4MB

Download
memory/5052-4-0x0000000000400000-0x000000000065A000-memory.dmp

Filesize
2.4MB

Download