Malware Analysis Report

2025-01-02 03:10

Sample ID 240817-rmav1ssgpj
Target 2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe
SHA256 2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9
Tags
remcos remotehost discovery rat upx
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

Analysis: static1

Detonation Overview

Signatures

Analysis: behavioral2

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis: behavioral1

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9

Threat Level: Known bad

The file 2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe was found to be: Known bad.

Malicious Activity Summary

remcos remotehost discovery rat upx

Remcos

UPX packed file

Suspicious use of SetThreadContext

AutoIT Executable

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Suspicious behavior: MapViewOfSection

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-08-17 14:18

Signatures

UPX packed file

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

AutoIT Executable

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

Unsigned PE

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

Analysis: behavioral2

Detonation Overview

Submitted

2024-08-17 14:18

Reported

2024-08-17 14:20

Platform

win10v2004-20240802-en

Max time kernel

149s

Max time network

126s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe"

Signatures

Remcos

rat remcos

UPX packed file

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 4068 set thread context of 2384 N/A C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe C:\Windows\SysWOW64\svchost.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe

"C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 8.8.8.8:53 69.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 99.58.20.217.in-addr.arpa udp
LT 194.169.175.190:2404 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 190.175.169.194.in-addr.arpa udp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
LT 194.169.175.190:2404 tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 14.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
US 150.171.27.10:443 tse1.mm.bing.net tcp
LT 194.169.175.190:2404 tcp

Files

memory/4068-0-0x0000000000CE0000-0x0000000000EB7000-memory.dmp

memory/4068-12-0x0000000002860000-0x0000000002864000-memory.dmp

memory/2384-13-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-14-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/4068-17-0x0000000000CE0000-0x0000000000EB7000-memory.dmp

memory/2384-18-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-20-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-22-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2384-25-0x0000000000400000-0x0000000000482000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-08-17 14:18

Reported

2024-08-17 14:20

Platform

win7-20240704-en

Max time kernel

149s

Max time network

132s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe"

Signatures

Remcos

rat remcos

UPX packed file

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

AutoIT Executable

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

Suspicious use of SetThreadContext

Description Indicator Process Target
PID 2072 set thread context of 1980 N/A C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe C:\Windows\SysWOW64\svchost.exe

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe N/A

Suspicious behavior: MapViewOfSection

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe

"C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe"

C:\Windows\SysWOW64\svchost.exe

"C:\Users\Admin\AppData\Local\Temp\2c98d193201137a3e33b34934fa866c2c66f346ed6878562e8191f4314bc5dc9.exe"

Network

Country Destination Domain Proto
LT 194.169.175.190:2404 tcp
LT 194.169.175.190:2404 tcp
LT 194.169.175.190:2404 tcp

Files

memory/2072-0-0x0000000000E30000-0x0000000001007000-memory.dmp

memory/2072-12-0x00000000002E0000-0x00000000002E4000-memory.dmp

memory/1980-13-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-15-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-18-0x0000000000400000-0x0000000000482000-memory.dmp

memory/2072-17-0x0000000000E30000-0x0000000001007000-memory.dmp

memory/1980-19-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-20-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-21-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-22-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-23-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-24-0x0000000000400000-0x0000000000482000-memory.dmp

memory/1980-25-0x0000000000400000-0x0000000000482000-memory.dmp