remcos | dfca7ce647ee8994cba9317516ce7f58b2b175f815fd5336dbfed34ccad5c4de

Analysis

max time kernel
149s
max time network
152s
platform
windows10-2004_x64
resource
win10v2004-20220812-en
resource tags

arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
submitted
02/11/2022, 03:38

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General

Target

file.exe
Size

601KB
MD5

5125a8daed58dc1cddcaec1002d9d00d
SHA1

d6998789a95c1f8be00aa88c541d240d39aec76e
SHA256

dfca7ce647ee8994cba9317516ce7f58b2b175f815fd5336dbfed34ccad5c4de
SHA512

bd742ac24f720d5910edae17a9eec2a89800ebcf7be8ec99faf56ccdb2c4f609f68d540ee2852aca316a95ac6de5ed3957181df6604189dad54725c783d472bb
SSDEEP

6144:ag8zX+2hwe5NaRrT1FSrC9hYQXcF+HoRI7JN1Is0EAtJ+oQQlELjTsrhwCVdKrL/:8bFwWePphr7HoRINN1EE0+pmEUCCi/jD

Score

10^/10

remcos remotehost rat

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

51.75.209.245:2404

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-CMFPLR
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

Drops startup file 2 IoCs

description	ioc	Process
File created	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sysndnfdfdhtem.exe	Powershell.exe
File opened for modification	C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sysndnfdfdhtem.exe	Powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 4896 set thread context of 3324	4896	file.exe	90

Suspicious behavior: EnumeratesProcesses 2 IoCs

pid	Process
3996	Powershell.exe
3996	Powershell.exe

Suspicious use of AdjustPrivilegeToken 2 IoCs

description	pid	Process
Token: SeDebugPrivilege	4896	file.exe
Token: SeDebugPrivilege	3996	Powershell.exe

Suspicious use of SetWindowsHookEx 1 IoCs

pid	Process
3324	RegSvcs.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 4896 wrote to memory of 3996	4896	file.exe	88
PID 4896 wrote to memory of 3996	4896	file.exe	88
PID 4896 wrote to memory of 3996	4896	file.exe	88
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90
PID 4896 wrote to memory of 3324	4896	file.exe	90

C:\Users\Admin\AppData\Local\Temp\file.exe
"C:\Users\Admin\AppData\Local\Temp\file.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4896
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe
  "Powershell" Copy-Item 'C:\Users\Admin\AppData\Local\Temp\file.exe' 'C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\Sysndnfdfdhtem.exe'
  2⤵
  - Drops startup file
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:3996
- C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe
  "C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"
  2⤵
  - Suspicious use of SetWindowsHookEx
  PID:3324

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/3324-138-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3324-150-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3324-145-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3324-141-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3324-140-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/3996-136-0x0000000002E10000-0x0000000002E46000-memory.dmp

Filesize
216KB

Download
memory/3996-139-0x0000000005A60000-0x0000000006088000-memory.dmp

Filesize
6.2MB

Download
memory/3996-142-0x0000000005970000-0x0000000005992000-memory.dmp

Filesize
136KB

Download
memory/3996-143-0x0000000006090000-0x00000000060F6000-memory.dmp

Filesize
408KB

Download
memory/3996-144-0x0000000006100000-0x0000000006166000-memory.dmp

Filesize
408KB

Download
memory/3996-146-0x00000000067C0000-0x00000000067DE000-memory.dmp

Filesize
120KB

Download
memory/3996-147-0x0000000006D10000-0x0000000006DA6000-memory.dmp

Filesize
600KB

Download
memory/3996-148-0x0000000006C90000-0x0000000006CAA000-memory.dmp

Filesize
104KB

Download
memory/3996-149-0x0000000006CE0000-0x0000000006D02000-memory.dmp

Filesize
136KB

Download
memory/4896-132-0x0000000000480000-0x000000000051A000-memory.dmp

Filesize
616KB

Download
memory/4896-134-0x0000000004EC0000-0x0000000004F5C000-memory.dmp

Filesize
624KB

Download
memory/4896-133-0x0000000005520000-0x0000000005AC4000-memory.dmp

Filesize
5.6MB

Download