remcos | e1eb3fe18ad660415f59eaac2c768afa1b20e07f107dfc207da8b0880a888aaf

Analysis

max time kernel
150s
max time network
153s
platform
windows10-2004_x64
resource
win10v2004-20230220-en
resource tags

arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
submitted
06-06-2023 13:49

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General

Target

file.exe
Size

488KB
MD5

66108176e22e6f9513a62c76f2185468
SHA1

a05e217104b39485fbb4ce3cda9cb65b20960ccb
SHA256

e1eb3fe18ad660415f59eaac2c768afa1b20e07f107dfc207da8b0880a888aaf
SHA512

646233ba810efba1ab506041d44d698590e30c88ce22f258fcb7eb8ef4435866fb9d7ca1f8d1067c7805c0275c63c690ca98a4b1efbf635fc7b3df8f8f9ca243
SSDEEP

12288:oeV56CrxH8gnW6yhQNmPLXWu38n4RQgsAlVF+LpnN7TihIHVQMfT:deCrxsvh/Wusn4RHZvF+lnd/

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 4088 set thread context of 4388 4088 file.exe aspnet_compiler.exe
Suspicious behavior: EnumeratesProcesses 4 IoCs

Processes:

file.exe

pid process

4088 file.exe
4088 file.exe
4088 file.exe
4088 file.exe
Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes:

file.exe

description pid process

Token: SeDebugPrivilege 4088 file.exe

description	pid	process	target process
PID 4088 set thread context of 4388	4088	file.exe	aspnet_compiler.exe

pid	process
4088	file.exe
4088	file.exe
4088	file.exe
4088	file.exe

description	pid	process
Token: SeDebugPrivilege	4088	file.exe

Suspicious use of WriteProcessMemory 18 IoCs

Processes:

file.exe

description	pid	process	target process
PID 4088 wrote to memory of 1444	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 1444	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 1444	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 2248	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 2248	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 2248	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	file.exe	aspnet_compiler.exe
PID 4088 wrote to memory of 4388	4088	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 behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4088

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:1444

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:2248

C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe
"C:\Windows\Microsoft.NET\Framework\v4.0.30319\aspnet_compiler.exe"
2⤵
PID:4388

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

memory/4088-133-0x000001E3C0090000-0x000001E3C010E000-memory.dmp

Filesize
504KB

Download
memory/4388-134-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-136-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-137-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-138-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-139-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-140-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-141-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-142-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-143-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-144-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-145-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-146-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-147-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-148-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-149-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-150-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-151-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-152-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-153-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-154-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-155-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-156-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-157-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-158-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-159-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-160-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-161-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-162-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-163-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-164-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-165-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-166-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-167-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-168-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-169-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-170-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-171-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-172-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-173-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-174-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-175-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-176-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-177-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-178-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-179-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-180-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-181-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-182-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-183-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-184-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-185-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-186-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-187-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-188-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-189-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-190-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-191-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-192-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-193-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-194-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-195-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-196-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-197-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-198-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download
memory/4388-199-0x0000000000400000-0x0000000000480000-memory.dmp

Filesize
512KB

Download