Malware Analysis Report

2025-08-05 11:55

Sample ID 240215-p6wwgsgf48
Target x.exe
SHA256 6199a5b279106eeee9057da8cf8f8e082431020ed4ae896afda6b1e161ee05c1
Tags
remcos qhost rat
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

6199a5b279106eeee9057da8cf8f8e082431020ed4ae896afda6b1e161ee05c1

Threat Level: Known bad

The file x.exe was found to be: Known bad.

Malicious Activity Summary

remcos qhost rat

Remcos

Suspicious use of SetThreadContext

Unsigned PE

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-02-15 12:57

Signatures

Unsigned PE

Description Indicator Process Target
N/A N/A N/A N/A

Analysis: behavioral1

Detonation Overview

Submitted

2024-02-15 12:57

Reported

2024-02-15 12:59

Platform

win7-20231215-en

Max time kernel

150s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\x.exe"

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 1648 set thread context of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\x.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\x.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\x.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 1648 wrote to memory of 2628 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\x.exe

"C:\Users\Admin\AppData\Local\Temp\x.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.google.com udp
US 172.245.208.5:2060 tcp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp

Files

memory/1648-0-0x00000000002B0000-0x00000000003D6000-memory.dmp

memory/1648-1-0x0000000074D40000-0x000000007542E000-memory.dmp

memory/1648-2-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

memory/1648-3-0x0000000004250000-0x0000000004294000-memory.dmp

memory/1648-4-0x0000000074D40000-0x000000007542E000-memory.dmp

memory/1648-5-0x0000000004BB0000-0x0000000004BF0000-memory.dmp

memory/1648-6-0x0000000000860000-0x000000000087A000-memory.dmp

memory/1648-7-0x0000000000590000-0x0000000000596000-memory.dmp

memory/2628-8-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-9-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-10-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-11-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-12-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-13-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-16-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2628-18-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1648-20-0x0000000074D40000-0x000000007542E000-memory.dmp

memory/2628-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-25-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-26-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-27-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-28-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-35-0x0000000000400000-0x0000000000482000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 fa7f103b92c87ba168bb914339278612
SHA1 fc8d07711a248b05e886c92ce09832bf164b2573
SHA256 bae853b306917b4c497a94ab0a8818e125063b7cfed70820a34a1686001524e7
SHA512 6c29fb52a07bae802a8e5ece944d63e9d809d9a63df52c91f47d74000a4f16200402181738c5ca44110189ecb5cf470d04ea84a62684bb2e70fe26f1996a348f

memory/2628-42-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2628-43-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-02-15 12:57

Reported

2024-02-15 12:59

Platform

win10v2004-20231215-en

Max time kernel

147s

Max time network

131s

Command Line

"C:\Users\Admin\AppData\Local\Temp\x.exe"

Signatures

Remcos

rat remcos

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4032 set thread context of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\x.exe N/A
N/A N/A C:\Users\Admin\AppData\Local\Temp\x.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\x.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
PID 4032 wrote to memory of 4160 N/A C:\Users\Admin\AppData\Local\Temp\x.exe C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

Processes

C:\Users\Admin\AppData\Local\Temp\x.exe

"C:\Users\Admin\AppData\Local\Temp\x.exe"

C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe

"C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 www.google.com udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp
US 138.91.171.81:80 tcp
US 8.8.8.8:53 73.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 183.142.211.20.in-addr.arpa udp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 103.169.127.40.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 69.210.218.23.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 172.245.208.5:2060 tcp
US 8.8.8.8:53 5.208.245.172.in-addr.arpa udp
US 8.8.8.8:53 geoplugin.net udp
NL 178.237.33.50:80 geoplugin.net tcp
US 8.8.8.8:53 50.33.237.178.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp

Files

memory/4032-0-0x0000000000220000-0x0000000000346000-memory.dmp

memory/4032-1-0x0000000074860000-0x0000000075010000-memory.dmp

memory/4032-2-0x0000000004D70000-0x0000000004E0C000-memory.dmp

memory/4032-3-0x00000000054F0000-0x0000000005A94000-memory.dmp

memory/4032-4-0x0000000004F30000-0x0000000004F40000-memory.dmp

memory/4032-5-0x0000000005380000-0x00000000053C4000-memory.dmp

memory/4032-6-0x0000000005AA0000-0x0000000005B32000-memory.dmp

memory/4032-7-0x0000000005490000-0x000000000549A000-memory.dmp

memory/4032-8-0x0000000004F30000-0x0000000004F40000-memory.dmp

memory/4032-9-0x0000000074860000-0x0000000075010000-memory.dmp

memory/4032-10-0x0000000004F30000-0x0000000004F40000-memory.dmp

memory/4032-11-0x0000000004F30000-0x0000000004F40000-memory.dmp

memory/4032-12-0x0000000007290000-0x00000000072AA000-memory.dmp

memory/4032-13-0x00000000098F0000-0x00000000098F6000-memory.dmp

memory/4160-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-16-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4032-17-0x0000000074860000-0x0000000075010000-memory.dmp

memory/4160-18-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-20-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-22-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-25-0x0000000000400000-0x0000000000482000-memory.dmp

C:\ProgramData\remcos\logs.dat

MD5 d6b1e7c977e14ec8808dae3453bf4c90
SHA1 cf92a1ff2a16b0440d7d53ccedb4d3da3b6d2643
SHA256 522b092a03b6faba861e030d27f3b66b2ad81b119cf97b7551b4acebe312cffd
SHA512 8a98e3196b75a52b42014d132eda989a8f60a854946147f925e6d41c2dc24a308316e77ccedcad7cf627934b848bd84f21ce730f4358073320b39995b0f6faf5

memory/4160-33-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-34-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-41-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4160-42-0x0000000000400000-0x0000000000482000-memory.dmp