Malware Analysis Report

2025-03-15 06:55

Sample ID 231216-bjlkcahggk
Target b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e
SHA256 b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e
Tags
orcus klauncher rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

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

b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e

Threat Level: Known bad

The file b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e was found to be: Known bad.

Malicious Activity Summary

orcus klauncher rat spyware stealer

Contains code to disable Windows Defender

Orcus

Orcurs Rat Executable

Orcus family

Orcus main payload

Orcurs Rat Executable

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-16 01:10

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: behavioral2

Detonation Overview

Submitted

2023-12-16 01:10

Reported

2023-12-16 01:13

Platform

win10v2004-20231215-en

Max time kernel

139s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e.exe"

Signatures

Contains code to disable Windows Defender

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

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Processes

C:\Users\Admin\AppData\Local\Temp\b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e.exe

"C:\Users\Admin\AppData\Local\Temp\b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e.exe"

Network

Country Destination Domain Proto
NL 52.142.223.178:80 tcp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 148.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 114.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 9.73.50.20.in-addr.arpa udp

Files

memory/4744-0-0x0000000075010000-0x00000000757C0000-memory.dmp

memory/4744-1-0x00000000003E0000-0x00000000006E0000-memory.dmp

memory/4744-2-0x0000000001210000-0x0000000001220000-memory.dmp

memory/4744-3-0x0000000002BF0000-0x0000000002BFE000-memory.dmp

memory/4744-4-0x00000000052C0000-0x000000000531C000-memory.dmp

memory/4744-5-0x00000000059B0000-0x0000000005F54000-memory.dmp

memory/4744-6-0x00000000054A0000-0x0000000005532000-memory.dmp

memory/4744-7-0x00000000052B0000-0x00000000052C2000-memory.dmp

memory/4744-8-0x0000000005490000-0x0000000005498000-memory.dmp

memory/4744-9-0x0000000005940000-0x000000000594A000-memory.dmp

memory/4744-10-0x0000000005950000-0x0000000005958000-memory.dmp

memory/4744-11-0x0000000006070000-0x000000000607A000-memory.dmp

memory/4744-12-0x0000000001210000-0x0000000001220000-memory.dmp

memory/4744-13-0x0000000075010000-0x00000000757C0000-memory.dmp

memory/4744-14-0x0000000001210000-0x0000000001220000-memory.dmp

memory/4744-15-0x0000000001210000-0x0000000001220000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2023-12-16 01:10

Reported

2023-12-16 01:13

Platform

win7-20231215-en

Max time kernel

120s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e.exe"

Signatures

Contains code to disable Windows Defender

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

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

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

Processes

C:\Users\Admin\AppData\Local\Temp\b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e.exe

"C:\Users\Admin\AppData\Local\Temp\b7bcc2956573b5bb7847d280edca2134d50781c43305904c6c5c5d327631516e.exe"

Network

N/A

Files

memory/2008-0-0x0000000000E60000-0x0000000001160000-memory.dmp

memory/2008-1-0x0000000074DB0000-0x000000007549E000-memory.dmp

memory/2008-2-0x0000000000610000-0x0000000000650000-memory.dmp

memory/2008-3-0x00000000002C0000-0x00000000002CE000-memory.dmp

memory/2008-4-0x0000000000850000-0x00000000008AC000-memory.dmp

memory/2008-5-0x0000000000450000-0x0000000000462000-memory.dmp

memory/2008-6-0x0000000000660000-0x0000000000668000-memory.dmp

memory/2008-8-0x0000000000680000-0x0000000000688000-memory.dmp

memory/2008-7-0x0000000000670000-0x000000000067A000-memory.dmp

memory/2008-9-0x0000000000610000-0x0000000000650000-memory.dmp

memory/2008-10-0x0000000074DB0000-0x000000007549E000-memory.dmp

memory/2008-11-0x0000000000610000-0x0000000000650000-memory.dmp

memory/2008-12-0x0000000000610000-0x0000000000650000-memory.dmp