Malware Analysis Report

2025-03-15 06:55

Sample ID 231221-zfyx9sfee3
Target 2532-3-0x00000000048F0000-0x00000000049D8000-memory.dmp
SHA256 6de6597f716784711ab5fc1963876d14a35cdb94e1be89bb63d18292819bf300
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

6de6597f716784711ab5fc1963876d14a35cdb94e1be89bb63d18292819bf300

Threat Level: Known bad

The file 2532-3-0x00000000048F0000-0x00000000049D8000-memory.dmp was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcurs Rat Executable

Orcus family

Orcus main payload

Orcus

Orcurs Rat Executable

Unsigned PE

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2023-12-21 20:40

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

2023-12-21 20:40

Reported

2023-12-21 20:44

Platform

win7-20231215-en

Max time kernel

122s

Max time network

214s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.exe"

Network

Country Destination Domain Proto
HK 27.124.3.19:6606 tcp
HK 27.124.3.19:6606 tcp
HK 27.124.3.19:6606 tcp

Files

memory/2888-0-0x0000000001130000-0x0000000001218000-memory.dmp

memory/2888-1-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

memory/2888-2-0x000000001B1C0000-0x000000001B240000-memory.dmp

memory/2888-3-0x0000000000640000-0x000000000069C000-memory.dmp

memory/2888-4-0x00000000002A0000-0x00000000002AE000-memory.dmp

memory/2888-5-0x0000000000360000-0x0000000000372000-memory.dmp

memory/2888-6-0x0000000000370000-0x0000000000388000-memory.dmp

memory/2888-7-0x0000000000350000-0x0000000000360000-memory.dmp

memory/2888-8-0x000007FEF5BC0000-0x000007FEF65AC000-memory.dmp

memory/2888-9-0x000000001B1C0000-0x000000001B240000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabD7FA.tmp

MD5 ac05d27423a85adc1622c714f2cb6184
SHA1 b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256 c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA512 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d

Analysis: behavioral2

Detonation Overview

Submitted

2023-12-21 20:40

Reported

2023-12-21 20:43

Platform

win10v2004-20231215-en

Max time kernel

149s

Max time network

163s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.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 AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.exe

"C:\Users\Admin\AppData\Local\Temp\2532-3-0x00000000048F0000-0x00000000049D8000-memory.exe"

Network

Country Destination Domain Proto
HK 27.124.3.19:6606 tcp
US 8.8.8.8:53 22.177.190.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
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 45.19.74.20.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 19.3.124.27.in-addr.arpa udp
US 8.8.8.8:53 57.110.18.2.in-addr.arpa udp
HK 27.124.3.19:6606 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 171.39.242.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
US 8.8.8.8:53 81.171.91.138.in-addr.arpa udp
US 8.8.8.8:53 173.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 90.65.42.20.in-addr.arpa udp

Files

memory/4240-0-0x0000000000480000-0x0000000000568000-memory.dmp

memory/4240-1-0x0000000000D50000-0x0000000000DAC000-memory.dmp

memory/4240-2-0x0000000000D10000-0x0000000000D1E000-memory.dmp

memory/4240-3-0x00007FFAD8270000-0x00007FFAD8D31000-memory.dmp

memory/4240-4-0x0000000000DB0000-0x0000000000DC0000-memory.dmp

memory/4240-5-0x000000001BD80000-0x000000001BD92000-memory.dmp

memory/4240-6-0x000000001BD90000-0x000000001BDA8000-memory.dmp

memory/4240-7-0x000000001BD70000-0x000000001BD80000-memory.dmp

memory/4240-8-0x00007FFAD8270000-0x00007FFAD8D31000-memory.dmp

memory/4240-9-0x000000001C160000-0x000000001C172000-memory.dmp

memory/4240-10-0x000000001C1C0000-0x000000001C1FC000-memory.dmp

memory/4240-11-0x000000001C790000-0x000000001C89A000-memory.dmp

memory/4240-12-0x000000001C8A0000-0x000000001CA0A000-memory.dmp

memory/4240-13-0x000000001CBE0000-0x000000001CDA2000-memory.dmp

memory/4240-14-0x0000000000DB0000-0x0000000000DC0000-memory.dmp