Malware Analysis Report

2025-01-02 02:56

Sample ID 220224-m5yycachb2
Target 7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452
SHA256 7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452
Tags
sakula persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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: behavioral3

Detonation Overview

Command Line

Signatures

Processes

Network

Files

Analysis Overview

score
10/10

SHA256

7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452

Threat Level: Known bad

The file 7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula

Sakula Payload

Executes dropped EXE

Deletes itself

Loads dropped DLL

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-24 11:03

Signatures

Sakula Payload

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

Sakula family

sakula

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-24 11:03

Reported

2022-02-24 11:06

Platform

win7-20220223-en

Max time kernel

4294203s

Max time network

125s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

Signatures

Sakula

trojan rat sakula

Sakula Payload

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

Executes dropped EXE

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

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1976 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1976 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1976 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1976 wrote to memory of 1652 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1976 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 1976 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 1976 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 1976 wrote to memory of 1732 N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe C:\Windows\SysWOW64\cmd.exe
PID 1732 wrote to memory of 1120 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1732 wrote to memory of 1120 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1732 wrote to memory of 1120 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1732 wrote to memory of 1120 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/1976-54-0x0000000075641000-0x0000000075643000-memory.dmp

\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 a7e5469ebb4cd21c4f8f549407bce314
SHA1 6800fafef1a880860f14608365a90c4b6e0c6f54
SHA256 837847b009c5d36beffef812d3a16ddc53520c86000dbf5490c87f3762d366c0
SHA512 14f2b7b4d3ee4a771c05535039df7c74755e8a54bb920d496c4dc402f79081a35e200e8922913ae3c62182f2dcc36a83d408a6433e14c8a8cbec2bd620cb3d3e

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 a7e5469ebb4cd21c4f8f549407bce314
SHA1 6800fafef1a880860f14608365a90c4b6e0c6f54
SHA256 837847b009c5d36beffef812d3a16ddc53520c86000dbf5490c87f3762d366c0
SHA512 14f2b7b4d3ee4a771c05535039df7c74755e8a54bb920d496c4dc402f79081a35e200e8922913ae3c62182f2dcc36a83d408a6433e14c8a8cbec2bd620cb3d3e

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-24 11:03

Reported

2022-02-24 11:06

Platform

win10-20220223-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

Signatures

Sakula

trojan rat sakula

Sakula Payload

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

Executes dropped EXE

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

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 7ffc865c64e066720e06f9ad470921c4
SHA1 b41ed28089ab1b7b4d3937eedce13a2632989c3a
SHA256 c6d5b8381789a66072437613499ee791737f4e09e1558b723745cd3f844316b1
SHA512 a3b14a7fe34650b54d7ca2a922ed136e22c567191fc6425e7fb69230b330e159a7048e4a29dd5accd438523c42d865fd2c296ce1a81fbed77164cf7cd6b284a0

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 7ffc865c64e066720e06f9ad470921c4
SHA1 b41ed28089ab1b7b4d3937eedce13a2632989c3a
SHA256 c6d5b8381789a66072437613499ee791737f4e09e1558b723745cd3f844316b1
SHA512 a3b14a7fe34650b54d7ca2a922ed136e22c567191fc6425e7fb69230b330e159a7048e4a29dd5accd438523c42d865fd2c296ce1a81fbed77164cf7cd6b284a0

Analysis: behavioral3

Detonation Overview

Submitted

2022-02-24 11:03

Reported

2022-02-24 11:06

Platform

win10v2004-en-20220113

Max time kernel

134s

Max time network

153s

Command Line

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

Signatures

Sakula

trojan rat sakula

Sakula Payload

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

Executes dropped EXE

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1346565761-3498240568-4147300184-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Adds Run key to start application

persistence
Description Indicator Process Target
Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows\CurrentVersion\Run\MicroMedia = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\MediaCenter.exe" C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Enumerates physical storage devices

Runs ping.exe

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeIncBasePriorityPrivilege N/A C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe

"C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

C:\Windows\SysWOW64\cmd.exe

"C:\Windows\System32\cmd.exe" /c ping 127.0.0.1 & del /q "C:\Users\Admin\AppData\Local\Temp\7b8d0ee237e85d52c4ae65170c50a97437697299cb92badf91e7510f798bb452.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
NL 178.79.208.1:80 tcp
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 api.msn.com udp
US 204.79.197.203:443 api.msn.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.4.4:443 tcp
US 13.89.178.26:443 tcp
US 8.8.4.4:443 tcp
NL 65.9.78.31:443 tcp
US 204.79.197.219:443 tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 7e4d26462782fe3eee4ee6d564a1024d
SHA1 df733f032544dca64adea0432046682fa096d40b
SHA256 5026f19dc1b7a8d314b405bd42f83785e5af9ad72d45e22d022b0a1eb96bcbef
SHA512 9bd49d42a8c8c498b05a742b6f96370fdbd93161a166ad3730522ca228b88eab8e9dcf295f28f72abdb86391863c9336308fdc0d634f0e88b1e0b8051dd74322

C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe

MD5 7e4d26462782fe3eee4ee6d564a1024d
SHA1 df733f032544dca64adea0432046682fa096d40b
SHA256 5026f19dc1b7a8d314b405bd42f83785e5af9ad72d45e22d022b0a1eb96bcbef
SHA512 9bd49d42a8c8c498b05a742b6f96370fdbd93161a166ad3730522ca228b88eab8e9dcf295f28f72abdb86391863c9336308fdc0d634f0e88b1e0b8051dd74322