Malware Analysis Report

2025-03-15 06:56

Sample ID 231222-qrty1sbfb4
Target waerf.exe
SHA256 f575a2c4a01c3f9e82aedb52705a5f498af050fbd98e14b47038e12bd4141984
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

f575a2c4a01c3f9e82aedb52705a5f498af050fbd98e14b47038e12bd4141984

Threat Level: Known bad

The file waerf.exe was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus

Orcurs Rat Executable

Orcus family

Orcus main payload

Orcurs Rat Executable

Unsigned PE

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-22 13:30

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

2023-12-22 13:30

Reported

2023-12-22 13:32

Platform

win10-20231220-en

Max time kernel

129s

Max time network

137s

Command Line

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

Signatures

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\waerf.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 178.223.142.52.in-addr.arpa udp
US 8.8.8.8:53 31.243.111.52.in-addr.arpa udp
US 8.8.8.8:53 2.17.178.52.in-addr.arpa udp

Files

memory/4040-0-0x0000000000810000-0x00000000008FA000-memory.dmp

memory/4040-1-0x0000000074030000-0x000000007471E000-memory.dmp

memory/4040-2-0x00000000053D0000-0x00000000053E0000-memory.dmp

memory/4040-3-0x0000000002B50000-0x0000000002B5E000-memory.dmp

memory/4040-4-0x0000000005100000-0x000000000515C000-memory.dmp

memory/4040-5-0x00000000058E0000-0x0000000005DDE000-memory.dmp

memory/4040-6-0x0000000005290000-0x0000000005322000-memory.dmp

memory/4040-7-0x0000000005280000-0x0000000005292000-memory.dmp

memory/4040-8-0x00000000058B0000-0x00000000058BA000-memory.dmp

memory/4040-9-0x0000000074030000-0x000000007471E000-memory.dmp

memory/4040-10-0x00000000053D0000-0x00000000053E0000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-22 13:30

Reported

2023-12-22 13:32

Platform

win10v2004-20231215-en

Max time kernel

139s

Max time network

123s

Command Line

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

Signatures

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\waerf.exe

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

Network

Country Destination Domain Proto
US 8.8.8.8:53 g.bing.com udp
US 204.79.197.200:443 g.bing.com tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 146.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 88.156.103.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 18.134.221.88.in-addr.arpa udp
US 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
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 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

Files

memory/4556-0-0x0000000000F50000-0x000000000103A000-memory.dmp

memory/4556-1-0x00000000747D0000-0x0000000074F80000-memory.dmp

memory/4556-2-0x0000000005C00000-0x0000000005C10000-memory.dmp

memory/4556-3-0x00000000033E0000-0x00000000033EE000-memory.dmp

memory/4556-4-0x00000000059A0000-0x00000000059FC000-memory.dmp

memory/4556-5-0x00000000061C0000-0x0000000006764000-memory.dmp

memory/4556-6-0x0000000005B40000-0x0000000005BD2000-memory.dmp

memory/4556-7-0x0000000005B20000-0x0000000005B32000-memory.dmp

memory/4556-8-0x00000000060E0000-0x00000000060EA000-memory.dmp

memory/4556-9-0x00000000747D0000-0x0000000074F80000-memory.dmp

memory/4556-10-0x0000000005C00000-0x0000000005C10000-memory.dmp