remcos | 0a8d24447650e7f6b92454a47a880cd2ce12681d047c3a1c3b44e69cb7fff59d

Analysis

max time kernel
898s
max time network
899s
platform
windows7_x64
resource
win7-20240903-en
resource tags

arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
submitted
08-01-2025 08:32

Sharing

Copy URL

Twitter E-mail

Report Analysis Logs

General

Target

RFQ-20241230.exe
Size

964KB
MD5

e420f31140cb8a6e79c3729bb60b69d2
SHA1

0024d24f5941374aa1a45d71faef8ff2b5a6a6f0
SHA256

0a8d24447650e7f6b92454a47a880cd2ce12681d047c3a1c3b44e69cb7fff59d
SHA512

4c42727ca126a44e3f92471fc2df9146dbf917c3031abf54602088f8594b1956208d0bd126eb5c70ecba9e0812c06f80ba383eb2f3fa6cb07bd24847078e9a69
SSDEEP

24576:FzrqD+VnGOgUL+oMIk2W/PpOlL46TFJt:BqyVnCUaLnZONbTFJ

Score

10^/10

remcos remcohost discovery execution rat

Malware Config

Extracted

Family

remcos

Botnet

RemcoHost

173.211.106.233:2404

Attributes

audio_folder
MicRecords
audio_path
ApplicationPath
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-4WOIVV
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
Remcos family
remcos

Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

execution

PowerShell

T1059.001

pid	Process
2672	powershell.exe

Suspicious use of SetThreadContext 1 IoCs

description	pid	Process	procid_target
PID 1420 set thread context of 2552	1420	RFQ-20241230.exe	32

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082

System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

discovery

System Language Discovery

T1614.001

description	ioc	Process
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ-20241230.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	powershell.exe
Key opened	\REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language	RFQ-20241230.exe

Suspicious behavior: EnumeratesProcesses 1 IoCs

pid	Process
2672	powershell.exe

Suspicious use of AdjustPrivilegeToken 1 IoCs

description	pid	Process
Token: SeDebugPrivilege	2672	powershell.exe

Suspicious use of WriteProcessMemory 15 IoCs

description	pid	Process	procid_target
PID 1420 wrote to memory of 2672	1420	RFQ-20241230.exe	30
PID 1420 wrote to memory of 2672	1420	RFQ-20241230.exe	30
PID 1420 wrote to memory of 2672	1420	RFQ-20241230.exe	30
PID 1420 wrote to memory of 2672	1420	RFQ-20241230.exe	30
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32
PID 1420 wrote to memory of 2552	1420	RFQ-20241230.exe	32

C:\Users\Admin\AppData\Local\Temp\RFQ-20241230.exe
"C:\Users\Admin\AppData\Local\Temp\RFQ-20241230.exe"
1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1420
- C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
  "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\RFQ-20241230.exe"
  2⤵
  - Command and Scripting Interpreter: PowerShell
  - System Location Discovery: System Language Discovery
  - Suspicious behavior: EnumeratesProcesses
  - Suspicious use of AdjustPrivilegeToken
  PID:2672
- C:\Users\Admin\AppData\Local\Temp\RFQ-20241230.exe
  "C:\Users\Admin\AppData\Local\Temp\RFQ-20241230.exe"
  2⤵
  - System Location Discovery: System Language Discovery
  PID:2552

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

T1059

PowerShell

T1059.001

Persistence

Privilege Escalation

Defense Evasion

Credential Access

Discovery

System Information Discovery

T1082

System Location Discovery

T1614

System Language Discovery

T1614.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

Loading Replay Monitor...

Downloads

memory/1420-21-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1420-1-0x0000000000CA0000-0x0000000000D96000-memory.dmp

Filesize
984KB

Download
memory/1420-2-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1420-3-0x0000000000650000-0x0000000000668000-memory.dmp

Filesize
96KB

Download
memory/1420-4-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/1420-5-0x0000000074970000-0x000000007505E000-memory.dmp

Filesize
6.9MB

Download
memory/1420-6-0x0000000004F60000-0x0000000005024000-memory.dmp

Filesize
784KB

Download
memory/1420-0-0x000000007497E000-0x000000007497F000-memory.dmp

Filesize
4KB

Download
memory/2552-39-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-44-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-20-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-17-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-15-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

Filesize
4KB

Download
memory/2552-12-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-11-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-10-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-9-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-8-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-24-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-25-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-26-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-27-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-28-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-29-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-30-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-31-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-32-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-33-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-34-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-35-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-36-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-37-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-38-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-7-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-40-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-41-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-42-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-43-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-18-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-45-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-46-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-47-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-48-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-49-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-50-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-51-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-52-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-53-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-54-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-55-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-56-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-57-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-58-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-59-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-60-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-61-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-62-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-63-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-64-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-65-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-66-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-67-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-68-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-69-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-70-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-71-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-72-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-73-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-74-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download
memory/2552-75-0x0000000000400000-0x000000000047F000-memory.dmp

Filesize
508KB

Download