Malware Analysis Report

2025-03-15 06:49

Sample ID 240107-bfz9bscha7
Target da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622
SHA256 da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622
Tags
orcus rat spyware stealer
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

da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622

Threat Level: Known bad

The file da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622 was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus family

Orcus main payload

Orcus

Orcurs Rat Executable

Orcurs Rat Executable

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-07 01:05

Signatures

Orcurs Rat Executable

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

Orcus family

orcus

Orcus main payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-07 01:05

Reported

2024-01-07 01:08

Platform

win7-20231215-en

Max time kernel

147s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe

"C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe"

Network

Country Destination Domain Proto
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 nonamedc.mcv.kr udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp

Files

memory/2620-0-0x00000000013A0000-0x0000000001488000-memory.dmp

memory/2620-1-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp

memory/2620-2-0x000000001AE90000-0x000000001AF10000-memory.dmp

memory/2620-3-0x0000000000B80000-0x0000000000BDC000-memory.dmp

memory/2620-4-0x00000000003D0000-0x00000000003DE000-memory.dmp

memory/2620-5-0x0000000000A30000-0x0000000000A42000-memory.dmp

memory/2620-6-0x0000000000A40000-0x0000000000A58000-memory.dmp

memory/2620-7-0x00000000004F0000-0x0000000000500000-memory.dmp

memory/2620-8-0x000007FEF5540000-0x000007FEF5F2C000-memory.dmp

memory/2620-9-0x000000001AE90000-0x000000001AF10000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-07 01:05

Reported

2024-01-07 01:08

Platform

win10v2004-20231215-en

Max time kernel

160s

Max time network

172s

Command Line

"C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe

"C:\Users\Admin\AppData\Local\Temp\da79b06e9569d27dcbdf45f8b3dee8a7b5e74ac1c6a35dcdf8909dc7e372d622.exe"

Network

Country Destination Domain Proto
US 138.91.171.81:80 tcp
US 8.8.8.8:53 84.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 26.35.223.20.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 nonamedc.mcv.kr udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
US 8.8.8.8:53 213.143.182.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp

Files

memory/2356-0-0x0000000000650000-0x0000000000738000-memory.dmp

memory/2356-1-0x00000000027B0000-0x000000000280C000-memory.dmp

memory/2356-2-0x0000000002790000-0x000000000279E000-memory.dmp

memory/2356-3-0x00007FFCD2040000-0x00007FFCD2B01000-memory.dmp

memory/2356-4-0x0000000002810000-0x0000000002820000-memory.dmp

memory/2356-5-0x00007FFCD2040000-0x00007FFCD2B01000-memory.dmp

memory/2356-6-0x000000001C760000-0x000000001C772000-memory.dmp

memory/2356-7-0x000000001C770000-0x000000001C788000-memory.dmp

memory/2356-8-0x0000000002810000-0x0000000002820000-memory.dmp

memory/2356-9-0x000000001C890000-0x000000001C8A0000-memory.dmp