Malware Analysis Report

2025-03-15 06:47

Sample ID 250116-bdxenavjdn
Target 342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7
SHA256 342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7
Tags
orcus новый тег discovery rat spyware stealer
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7

Threat Level: Known bad

The file 342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7 was found to be: Known bad.

Malicious Activity Summary

orcus новый тег discovery rat spyware stealer

Orcus

Orcus family

Orcus main payload

Orcurs Rat Executable

Orcurs Rat Executable

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2025-01-16 01:02

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

2025-01-16 01:02

Reported

2025-01-16 01:04

Platform

win10v2004-20241007-en

Max time kernel

147s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Orcus main payload

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

Orcurs Rat Executable

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe N/A

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe

"C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe"

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

"C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe"

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 167.173.78.104.in-addr.arpa udp
US 8.8.8.8:53 36345.client.sudorat.top udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
N/A 127.0.0.1:1111 tcp
US 8.8.8.8:53 97.17.167.52.in-addr.arpa udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
RU 31.44.184.52:36345 tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 20.49.80.91.in-addr.arpa udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
US 8.8.8.8:53 73.144.22.2.in-addr.arpa udp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
US 8.8.8.8:53 81.144.22.2.in-addr.arpa udp
US 8.8.8.8:53 30.243.111.52.in-addr.arpa udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp

Files

memory/4844-0-0x0000000074D7E000-0x0000000074D7F000-memory.dmp

memory/4844-1-0x00000000008A0000-0x0000000000B9E000-memory.dmp

memory/4844-2-0x00000000014D0000-0x00000000014DE000-memory.dmp

memory/4844-3-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/4844-4-0x0000000005570000-0x00000000055CC000-memory.dmp

memory/4844-5-0x0000000005D80000-0x0000000006324000-memory.dmp

memory/4844-6-0x00000000057D0000-0x0000000005862000-memory.dmp

memory/4844-7-0x00000000056D0000-0x00000000056E2000-memory.dmp

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

MD5 bc4165ea7a72ab5e2a09d410179fcc43
SHA1 c177a8c61e65e8cbb35f25fdd988e7e7db40f571
SHA256 342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7
SHA512 91f30aa7ae92ddc1c674613fd7dc1ac68d426cea44ad3925a4b842d37fa964cd7b7e5f2531a76b3de89866ccc5d6b1e67e1ecf398b0bb64e09df0c8b2de70df8

memory/4844-23-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/4408-24-0x0000000074D70000-0x0000000075520000-memory.dmp

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/4408-25-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/4408-26-0x0000000005C50000-0x0000000005C62000-memory.dmp

memory/4408-27-0x0000000006110000-0x000000000615E000-memory.dmp

memory/4408-28-0x00000000068C0000-0x00000000068D8000-memory.dmp

memory/4408-30-0x0000000006BA0000-0x0000000006BB0000-memory.dmp

memory/60-31-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/4408-32-0x0000000006EC0000-0x0000000006ECA000-memory.dmp

memory/60-33-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/60-35-0x0000000074D70000-0x0000000075520000-memory.dmp

memory/4408-36-0x0000000074D70000-0x0000000075520000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\geotemp.exe.log

MD5 0672db2ef13237d5cb85075ff4915942
SHA1 ad8b4d3eb5e40791c47d48b22e273486f25f663f
SHA256 0a933408890369b5a178f9c30aa93d2c94f425650815cf8e8310de4e90a3b519
SHA512 84ad10ba5b695567d33a52f786405a5544aa49d8d23631ba9edf3afa877c5dbd81570d15bcf74bce5d9fb1afad2117d0a4ef913b396c0d923afefe615619c84b

Analysis: behavioral1

Detonation Overview

Submitted

2025-01-16 01:02

Reported

2025-01-16 01:04

Platform

win7-20241010-en

Max time kernel

140s

Max time network

154s

Command Line

"C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe"

Signatures

Orcus

rat spyware stealer orcus

Orcus family

orcus

Orcus main payload

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

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

Enumerates physical storage devices

System Location Discovery: System Language Discovery

discovery
Description Indicator Process Target
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2164 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 2164 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 2164 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 2164 wrote to memory of 3000 N/A C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2576 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2576 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2576 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2576 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 924 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 924 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 924 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 924 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2264 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2264 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2264 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe
PID 1740 wrote to memory of 2264 N/A C:\Windows\system32\taskeng.exe C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

Processes

C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe

"C:\Users\Admin\AppData\Local\Temp\342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7.exe"

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

"C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe"

C:\Windows\system32\taskeng.exe

taskeng.exe {40CB7730-6206-41AF-990A-9FF698196A51} S-1-5-21-3692679935-4019334568-335155002-1000:BCXRJFKE\Admin:Interactive:[1]

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

Network

Country Destination Domain Proto
US 8.8.8.8:53 36345.client.sudorat.top udp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
N/A 127.0.0.1:1111 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 31.44.184.52:36345 tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp
RU 185.37.62.158:36345 36345.client.sudorat.top tcp

Files

memory/2164-0-0x000000007437E000-0x000000007437F000-memory.dmp

memory/2164-1-0x0000000000DE0000-0x00000000010DE000-memory.dmp

memory/2164-2-0x0000000074370000-0x0000000074A5E000-memory.dmp

memory/2164-3-0x00000000003D0000-0x00000000003DE000-memory.dmp

memory/2164-4-0x00000000048F0000-0x000000000494C000-memory.dmp

memory/2164-5-0x00000000005D0000-0x00000000005E2000-memory.dmp

\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe

MD5 bc4165ea7a72ab5e2a09d410179fcc43
SHA1 c177a8c61e65e8cbb35f25fdd988e7e7db40f571
SHA256 342f8bea18100c6d245ba3283446c02cb6b9689f9319701647daf626dba044c7
SHA512 91f30aa7ae92ddc1c674613fd7dc1ac68d426cea44ad3925a4b842d37fa964cd7b7e5f2531a76b3de89866ccc5d6b1e67e1ecf398b0bb64e09df0c8b2de70df8

C:\Users\Admin\AppData\Roaming\pythonimage\geotemp.exe.config

MD5 a2b76cea3a59fa9af5ea21ff68139c98
SHA1 35d76475e6a54c168f536e30206578babff58274
SHA256 f99ef5bf79a7c43701877f0bb0b890591885bb0a3d605762647cc8ffbf10c839
SHA512 b52608b45153c489419228864ecbcb92be24c644d470818dfe15f8c7e661a7bcd034ea13ef401f2b84ad5c29a41c9b4c7d161cc33ae3ef71659bc2bca1a8c4ad

memory/3000-16-0x0000000074370000-0x0000000074A5E000-memory.dmp

memory/2164-15-0x0000000074370000-0x0000000074A5E000-memory.dmp

memory/3000-18-0x00000000003E0000-0x00000000006DE000-memory.dmp

memory/3000-19-0x0000000074370000-0x0000000074A5E000-memory.dmp

memory/3000-20-0x00000000003D0000-0x00000000003E2000-memory.dmp

memory/3000-21-0x0000000000B70000-0x0000000000BBE000-memory.dmp

memory/3000-22-0x00000000023F0000-0x0000000002408000-memory.dmp

memory/3000-24-0x0000000002420000-0x0000000002430000-memory.dmp

memory/3000-25-0x0000000074370000-0x0000000074A5E000-memory.dmp