Malware Analysis Report

2025-03-15 06:49

Sample ID 240108-bkjr5saeh6
Target a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8
SHA256 a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8
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

a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8

Threat Level: Known bad

The file a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8 was found to be: Known bad.

Malicious Activity Summary

orcus rat spyware stealer

Orcus

Orcurs Rat Executable

Suspicious use of SetThreadContext

Unsigned PE

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

MITRE ATT&CK

N/A

Analysis: static1

Detonation Overview

Reported

2024-01-08 01:12

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-01-08 01:12

Reported

2024-01-08 01:14

Platform

win7-20231215-en

Max time kernel

149s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcurs Rat Executable

Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A N/A
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\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 2224 wrote to memory of 2772 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe

"C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe"

C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe

"C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe"

Network

Country Destination Domain Proto
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 nonamedc.mcv.kr udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp

Files

memory/2224-0-0x00000000011C0000-0x00000000012B2000-memory.dmp

memory/2224-1-0x0000000073FF0000-0x00000000746DE000-memory.dmp

memory/2224-2-0x0000000000570000-0x00000000005B0000-memory.dmp

memory/2224-3-0x00000000003D0000-0x00000000003DA000-memory.dmp

memory/2772-5-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/2772-7-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/2772-6-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/2772-8-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

memory/2772-10-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/2772-15-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/2772-12-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/2224-13-0x0000000073FF0000-0x00000000746DE000-memory.dmp

memory/2772-4-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/2772-18-0x00000000002B0000-0x00000000002BE000-memory.dmp

memory/2772-19-0x00000000008F0000-0x000000000094C000-memory.dmp

memory/2772-17-0x0000000004C40000-0x0000000004C80000-memory.dmp

memory/2772-16-0x0000000073900000-0x0000000073FEE000-memory.dmp

memory/2772-21-0x0000000000760000-0x0000000000768000-memory.dmp

memory/2772-22-0x0000000000770000-0x0000000000778000-memory.dmp

memory/2772-20-0x0000000000560000-0x0000000000572000-memory.dmp

memory/2772-24-0x0000000000D40000-0x0000000000D58000-memory.dmp

memory/2772-25-0x0000000000D80000-0x0000000000D90000-memory.dmp

memory/2772-26-0x0000000073900000-0x0000000073FEE000-memory.dmp

memory/2772-27-0x0000000004C40000-0x0000000004C80000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-01-08 01:12

Reported

2024-01-08 01:14

Platform

win10v2004-20231215-en

Max time kernel

145s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.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\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of FindShellTrayWindow

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of SendNotifyMessage

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of SetWindowsHookEx

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe
PID 1200 wrote to memory of 1676 N/A C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe

Processes

C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe

"C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe"

C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe

"C:\Users\Admin\AppData\Local\Temp\a0aae538ed6845b3d9a3b69372faf03cf785a41e7071fc8f52e523f1f7f216c8.exe"

Network

Country Destination Domain Proto
US 8.8.8.8:53 146.78.124.51.in-addr.arpa udp
US 8.8.8.8:53 23.177.190.20.in-addr.arpa udp
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 55.36.223.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 41.110.16.96.in-addr.arpa udp
US 8.8.8.8:53 nonamedc.mcv.kr udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
US 8.8.8.8:53 26.165.165.52.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
US 8.8.8.8:53 104.241.123.92.in-addr.arpa udp
US 8.8.8.8:53 119.110.54.20.in-addr.arpa udp
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 0.205.248.87.in-addr.arpa udp
US 8.8.8.8:53 90.135.221.88.in-addr.arpa udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
US 8.8.8.8:53 0.204.248.87.in-addr.arpa udp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
N/A 192.168.219.110:10134 tcp
US 8.8.8.8:53 19.229.111.52.in-addr.arpa udp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
US 8.8.8.8:53 43.58.199.20.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
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp
US 8.8.8.8:53 200.197.79.204.in-addr.arpa udp
N/A 192.168.219.110:10134 tcp
N/A 192.168.219.174:80 nonamedc.mcv.kr tcp
N/A 192.168.219.174:8080 nonamedc.mcv.kr tcp

Files

memory/1200-1-0x0000000074530000-0x0000000074CE0000-memory.dmp

memory/1200-2-0x0000000004A60000-0x0000000004AFC000-memory.dmp

memory/1200-0-0x0000000000010000-0x0000000000102000-memory.dmp

memory/1200-4-0x0000000000BD0000-0x0000000000BDA000-memory.dmp

memory/1200-5-0x0000000005110000-0x00000000056B4000-memory.dmp

memory/1676-9-0x0000000001B50000-0x0000000001B5E000-memory.dmp

memory/1200-11-0x0000000074530000-0x0000000074CE0000-memory.dmp

memory/1676-14-0x0000000005710000-0x00000000057A2000-memory.dmp

memory/1676-13-0x0000000005700000-0x0000000005710000-memory.dmp

memory/1676-12-0x0000000001D20000-0x0000000001D7C000-memory.dmp

memory/1676-10-0x0000000074530000-0x0000000074CE0000-memory.dmp

memory/1676-18-0x0000000005CD0000-0x0000000005D36000-memory.dmp

memory/1676-17-0x00000000057B0000-0x00000000057B8000-memory.dmp

memory/1676-20-0x0000000006350000-0x0000000006362000-memory.dmp

memory/1676-21-0x00000000063B0000-0x00000000063EC000-memory.dmp

memory/1676-22-0x00000000063F0000-0x000000000643C000-memory.dmp

memory/1676-19-0x0000000006950000-0x0000000006F68000-memory.dmp

memory/1676-16-0x00000000056F0000-0x00000000056F8000-memory.dmp

memory/1676-23-0x0000000006570000-0x000000000667A000-memory.dmp

memory/1676-15-0x00000000056E0000-0x00000000056F2000-memory.dmp

memory/1676-6-0x0000000000400000-0x00000000004EA000-memory.dmp

memory/1676-26-0x0000000007080000-0x0000000007090000-memory.dmp

memory/1676-27-0x0000000007260000-0x0000000007422000-memory.dmp

memory/1676-28-0x0000000007590000-0x000000000759A000-memory.dmp

memory/1676-25-0x00000000068D0000-0x00000000068E8000-memory.dmp

memory/1200-3-0x0000000004A50000-0x0000000004A60000-memory.dmp

memory/1676-29-0x0000000074530000-0x0000000074CE0000-memory.dmp

memory/1676-30-0x0000000005700000-0x0000000005710000-memory.dmp