Malware Analysis Report

2025-03-15 06:54

Sample ID 231221-zfxefafed6
Target 3A9CEC4DC91E9070F66126DB353DAA3D.exe
SHA256 2afae8de1839b3d0f9119f518e170e2ade9b4768af627c7d40d25dce4f2b90e2
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

2afae8de1839b3d0f9119f518e170e2ade9b4768af627c7d40d25dce4f2b90e2

Threat Level: Known bad

The file 3A9CEC4DC91E9070F66126DB353DAA3D.exe was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

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

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 20:43

Platform

win7-20231215-en

Max time kernel

120s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3A9CEC4DC91E9070F66126DB353DAA3D.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\3A9CEC4DC91E9070F66126DB353DAA3D.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3A9CEC4DC91E9070F66126DB353DAA3D.exe

"C:\Users\Admin\AppData\Local\Temp\3A9CEC4DC91E9070F66126DB353DAA3D.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/1732-0-0x0000000000B90000-0x0000000000CCE000-memory.dmp

memory/1732-1-0x0000000074560000-0x0000000074C4E000-memory.dmp

memory/1732-2-0x0000000074560000-0x0000000074C4E000-memory.dmp

memory/1732-3-0x00000000042A0000-0x0000000004388000-memory.dmp

memory/1732-4-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

memory/1732-5-0x00000000004A0000-0x00000000004AE000-memory.dmp

memory/1732-6-0x0000000004760000-0x00000000047BC000-memory.dmp

memory/1732-7-0x00000000776B0000-0x00000000776B1000-memory.dmp

memory/1732-8-0x0000000000760000-0x0000000000772000-memory.dmp

memory/1732-9-0x00000000020D0000-0x00000000020E8000-memory.dmp

memory/1732-10-0x00000000047C0000-0x00000000047D0000-memory.dmp

memory/1732-11-0x0000000004CB0000-0x0000000004CF0000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabAD03.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

93s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\3A9CEC4DC91E9070F66126DB353DAA3D.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\3A9CEC4DC91E9070F66126DB353DAA3D.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\3A9CEC4DC91E9070F66126DB353DAA3D.exe

"C:\Users\Admin\AppData\Local\Temp\3A9CEC4DC91E9070F66126DB353DAA3D.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 83.177.190.20.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 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 180.178.17.96.in-addr.arpa udp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 167.109.18.2.in-addr.arpa udp
US 8.8.8.8:53 79.121.231.20.in-addr.arpa udp
US 20.231.121.79:80 tcp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 56.126.166.20.in-addr.arpa udp
US 8.8.8.8:53 217.135.221.88.in-addr.arpa udp
US 8.8.8.8:53 150.1.37.23.in-addr.arpa udp
HK 27.124.3.19:6606 tcp
US 8.8.8.8:53 19.3.124.27.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
US 8.8.8.8:53 194.178.17.96.in-addr.arpa udp

Files

memory/3496-1-0x0000000000C50000-0x0000000000D8E000-memory.dmp

memory/3496-0-0x0000000074480000-0x0000000074C30000-memory.dmp

memory/3496-2-0x0000000074480000-0x0000000074C30000-memory.dmp

memory/3496-3-0x0000000076F81000-0x0000000076F82000-memory.dmp

memory/3496-4-0x0000000005A60000-0x0000000005AFC000-memory.dmp

memory/3496-5-0x0000000005B00000-0x0000000005BE8000-memory.dmp

memory/3496-6-0x00000000057B0000-0x00000000057C0000-memory.dmp

memory/3496-7-0x0000000005780000-0x000000000578E000-memory.dmp

memory/3496-8-0x00000000059C0000-0x0000000005A1C000-memory.dmp

memory/3496-9-0x00000000061A0000-0x0000000006744000-memory.dmp

memory/3496-10-0x0000000005CC0000-0x0000000005D52000-memory.dmp

memory/3496-11-0x0000000005CA0000-0x0000000005CB2000-memory.dmp

memory/3496-12-0x0000000005E60000-0x0000000005E78000-memory.dmp

memory/3496-13-0x0000000006100000-0x0000000006110000-memory.dmp

memory/3496-14-0x00000000068A0000-0x00000000068AA000-memory.dmp

memory/3496-15-0x0000000001650000-0x00000000016B6000-memory.dmp

memory/3496-16-0x00000000076F0000-0x0000000007D08000-memory.dmp

memory/3496-18-0x0000000007080000-0x00000000070BC000-memory.dmp

memory/3496-19-0x00000000070D0000-0x000000000711C000-memory.dmp

memory/3496-17-0x0000000006A20000-0x0000000006A32000-memory.dmp

memory/3496-20-0x0000000007230000-0x000000000733A000-memory.dmp

memory/3496-21-0x0000000007510000-0x00000000076D2000-memory.dmp

memory/3496-22-0x00000000057B0000-0x00000000057C0000-memory.dmp