Malware Analysis Report

2024-10-24 17:07

Sample ID 241017-bpkv1athme
Target fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905
SHA256 fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905
Tags
orcus discovery rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905

Threat Level: Known bad

The file fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905 was found to be: Known bad.

Malicious Activity Summary

orcus discovery rat spyware stealer

Orcurs Rat Executable

Orcus family

Orcus main payload

Orcus

Orcurs Rat Executable

Legitimate hosting services abused for malware hosting/C2

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of SendNotifyMessage

Suspicious use of FindShellTrayWindow

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 01:19

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

2024-10-17 01:19

Reported

2024-10-17 01:21

Platform

win7-20241010-en

Max time kernel

143s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.ap.ngrok.io N/A N/A
N/A 0.tcp.ap.ngrok.io N/A N/A
N/A 0.tcp.ap.ngrok.io N/A N/A

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\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe

"C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.ap.ngrok.io udp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ap.ngrok.io udp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ap.ngrok.io udp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp

Files

memory/1748-0-0x0000000074C4E000-0x0000000074C4F000-memory.dmp

memory/1748-1-0x0000000000060000-0x0000000000148000-memory.dmp

memory/1748-2-0x0000000000730000-0x000000000073E000-memory.dmp

memory/1748-3-0x0000000074C40000-0x000000007532E000-memory.dmp

memory/1748-4-0x0000000004610000-0x000000000466C000-memory.dmp

memory/1748-5-0x0000000001E50000-0x0000000001E62000-memory.dmp

memory/1748-6-0x0000000001F10000-0x0000000001F28000-memory.dmp

memory/1748-7-0x00000000045A0000-0x00000000045B0000-memory.dmp

memory/1748-8-0x0000000074C40000-0x000000007532E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 01:19

Reported

2024-10-17 01:21

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Legitimate hosting services abused for malware hosting/C2

Description Indicator Process Target
N/A 0.tcp.ap.ngrok.io N/A N/A
N/A 0.tcp.ap.ngrok.io N/A N/A
N/A 0.tcp.ap.ngrok.io N/A N/A

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\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe

"C:\Users\Admin\AppData\Local\Temp\fcc17039e19352baffc536e8943d5ad788981046242eefe4d62912bfcb5f1905.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 0.tcp.ap.ngrok.io udp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 28.118.140.52.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 75.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 102.209.201.84.in-addr.arpa udp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 0.tcp.ap.ngrok.io udp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 14.227.111.52.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
US 8.8.8.8:53 10.27.171.150.in-addr.arpa udp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
SG 18.141.106.224:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 0.tcp.ap.ngrok.io udp
SG 52.74.74.86:14759 0.tcp.ap.ngrok.io tcp
SG 52.74.74.86:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 udp

Files

memory/4372-0-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

memory/4372-1-0x0000000000B20000-0x0000000000C08000-memory.dmp

memory/4372-2-0x0000000003110000-0x000000000311E000-memory.dmp

memory/4372-3-0x0000000074DE0000-0x0000000075590000-memory.dmp

memory/4372-4-0x0000000005590000-0x00000000055EC000-memory.dmp

memory/4372-5-0x0000000005D40000-0x00000000062E4000-memory.dmp

memory/4372-6-0x0000000005790000-0x0000000005822000-memory.dmp

memory/4372-7-0x0000000005770000-0x0000000005782000-memory.dmp

memory/4372-8-0x0000000005C30000-0x0000000005C48000-memory.dmp

memory/4372-9-0x0000000005CD0000-0x0000000005CE0000-memory.dmp

memory/4372-10-0x00000000067F0000-0x00000000067FA000-memory.dmp

memory/4372-11-0x0000000074DEE000-0x0000000074DEF000-memory.dmp

memory/4372-12-0x0000000074DE0000-0x0000000075590000-memory.dmp