Malware Analysis Report

2024-10-24 17:07

Sample ID 241017-bsgyhsvbkd
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

Orcus

Orcus family

Orcus main payload

Orcurs Rat Executable

Orcurs Rat Executable

Legitimate hosting services abused for malware hosting/C2

Unsigned PE

System Location Discovery: System Language Discovery

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-10-17 01:24

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 01:24

Reported

2024-10-17 01:26

Platform

win7-20240903-en

Max time kernel

144s

Max time network

147s

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 52.77.3.235:14759 0.tcp.ap.ngrok.io tcp
SG 52.77.3.235:14759 0.tcp.ap.ngrok.io tcp
SG 52.77.3.235:14759 0.tcp.ap.ngrok.io tcp
SG 52.77.3.235:14759 0.tcp.ap.ngrok.io tcp
SG 52.77.3.235:14759 0.tcp.ap.ngrok.io tcp
SG 52.77.3.235:14759 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

Files

memory/1868-0-0x000000007467E000-0x000000007467F000-memory.dmp

memory/1868-1-0x0000000000BA0000-0x0000000000C88000-memory.dmp

memory/1868-2-0x0000000000450000-0x000000000045E000-memory.dmp

memory/1868-3-0x0000000074670000-0x0000000074D5E000-memory.dmp

memory/1868-4-0x0000000000A80000-0x0000000000ADC000-memory.dmp

memory/1868-5-0x00000000007C0000-0x00000000007D2000-memory.dmp

memory/1868-6-0x0000000000980000-0x0000000000998000-memory.dmp

memory/1868-7-0x0000000000A10000-0x0000000000A20000-memory.dmp

memory/1868-8-0x000000007467E000-0x000000007467F000-memory.dmp

memory/1868-9-0x0000000074670000-0x0000000074D5E000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-10-17 01:24

Reported

2024-10-17 01:26

Platform

win10v2004-20241007-en

Max time kernel

149s

Max time network

152s

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 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 138.32.126.40.in-addr.arpa udp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 209.205.72.20.in-addr.arpa udp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.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
US 8.8.8.8:53 88.156.103.20.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 48.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 150.171.28.10:443 tse1.mm.bing.net tcp
US 8.8.8.8:53 10.28.171.150.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 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp
SG 3.1.16.19:14759 0.tcp.ap.ngrok.io tcp

Files

memory/2124-0-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

memory/2124-1-0x00000000008A0000-0x0000000000988000-memory.dmp

memory/2124-2-0x00000000051A0000-0x00000000051AE000-memory.dmp

memory/2124-3-0x00000000051B0000-0x000000000520C000-memory.dmp

memory/2124-4-0x0000000074D60000-0x0000000075510000-memory.dmp

memory/2124-5-0x00000000059E0000-0x0000000005F84000-memory.dmp

memory/2124-6-0x0000000005350000-0x00000000053E2000-memory.dmp

memory/2124-7-0x0000000005330000-0x0000000005342000-memory.dmp

memory/2124-8-0x00000000058B0000-0x00000000058C8000-memory.dmp

memory/2124-9-0x00000000053F0000-0x0000000005400000-memory.dmp

memory/2124-10-0x0000000006430000-0x000000000643A000-memory.dmp

memory/2124-11-0x0000000074D6E000-0x0000000074D6F000-memory.dmp

memory/2124-12-0x0000000074D60000-0x0000000075510000-memory.dmp