Malware Analysis Report

2024-12-07 22:09

Sample ID 221017-ksmy7sbbf5
Target 810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439
SHA256 810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439
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 Overview

score
10/10

SHA256

810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439

Threat Level: Known bad

The file 810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439 was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula payload

Sakula

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

2022-10-17 08:51

Signatures

Sakula family

sakula

Sakula payload

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

Analysis: behavioral1

Detonation Overview

Submitted

2022-10-17 08:51

Reported

2022-10-17 08:54

Platform

win7-20220812-en

Max time kernel

137s

Max time network

138s

Command Line

"C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1372 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1372 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1372 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1372 wrote to memory of 1692 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1372 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 1372 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 1372 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 1372 wrote to memory of 1664 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 1664 wrote to memory of 1812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1664 wrote to memory of 1812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1664 wrote to memory of 1812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 1664 wrote to memory of 1812 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe

"C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/1372-54-0x0000000075921000-0x0000000075923000-memory.dmp

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

MD5 c7f84d4cf544bb837dc261c6dea39867
SHA1 e35b3a767de43bd72988f9b4b3cc899e88d7020f
SHA256 4b3aba264d6f3185faf945ad226faf2889bc47b90ab3505eb71c9272f6659cbf
SHA512 f8378d5ed75641806d98a5912088dc441e87cc9cef0de5b6ce930a04f0a242710bdedad07ff660b54a4903fccb84af91c27ceba66880f05065aa280981ea9b6b

memory/1692-56-0x0000000000000000-mapping.dmp

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

MD5 c7f84d4cf544bb837dc261c6dea39867
SHA1 e35b3a767de43bd72988f9b4b3cc899e88d7020f
SHA256 4b3aba264d6f3185faf945ad226faf2889bc47b90ab3505eb71c9272f6659cbf
SHA512 f8378d5ed75641806d98a5912088dc441e87cc9cef0de5b6ce930a04f0a242710bdedad07ff660b54a4903fccb84af91c27ceba66880f05065aa280981ea9b6b

memory/1664-59-0x0000000000000000-mapping.dmp

memory/1812-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-17 08:51

Reported

2022-10-17 08:54

Platform

win10v2004-20220812-en

Max time kernel

132s

Max time network

143s

Command Line

"C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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-1-5-21-2295526160-1155304984-640977766-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe

"C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.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\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
NL 95.101.78.106:80 tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 www.polarroute.com udp
US 204.11.56.48:80 www.polarroute.com tcp
US 20.44.10.122:443 tcp
US 204.11.56.48:80 www.polarroute.com tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 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

Files

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

MD5 8c3284dfff300c434b208beb49e0c42b
SHA1 e5a9dd57fd3b89344b3839f2bfa2ae456ea8f2f2
SHA256 a14fed7f872063dc4a18d1a41d4af98fe9073d3f74e6dc37d49cf5d3d85f2a5f
SHA512 7e84da9ce6e2a20c836fc26d5457706ac348c228391526f613c6ddfec03da3061cf2a755161e717cd8755c9264f16dafdaa6f06b61263d10bdb5497d8fce14d3

memory/4068-132-0x0000000000000000-mapping.dmp

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

MD5 8c3284dfff300c434b208beb49e0c42b
SHA1 e5a9dd57fd3b89344b3839f2bfa2ae456ea8f2f2
SHA256 a14fed7f872063dc4a18d1a41d4af98fe9073d3f74e6dc37d49cf5d3d85f2a5f
SHA512 7e84da9ce6e2a20c836fc26d5457706ac348c228391526f613c6ddfec03da3061cf2a755161e717cd8755c9264f16dafdaa6f06b61263d10bdb5497d8fce14d3

memory/4672-135-0x0000000000000000-mapping.dmp

memory/4564-136-0x0000000000000000-mapping.dmp