Malware Analysis Report

2024-12-07 22:10

Sample ID 221017-ksq1vsbdbl
Target 810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe
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.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula family

Sakula payload

Sakula

Executes dropped EXE

Checks computer location settings

Loads dropped DLL

Deletes itself

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 08:52

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 08:52

Reported

2022-10-17 08:54

Platform

win7-20220812-en

Max time kernel

140s

Max time network

120s

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 828 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 828 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 828 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 828 wrote to memory of 1960 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 828 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 828 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 828 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 828 wrote to memory of 520 N/A C:\Users\Admin\AppData\Local\Temp\810a7a2bb19b7be9fadd7beb2818820f910e347ccf62e62ebea6a53d777e4439.exe C:\Windows\SysWOW64\cmd.exe
PID 520 wrote to memory of 1144 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 520 wrote to memory of 1144 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 520 wrote to memory of 1144 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 520 wrote to memory of 1144 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 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/828-54-0x0000000075A11000-0x0000000075A13000-memory.dmp

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

MD5 b1d0ca984a47436390b56f680f447e8b
SHA1 ea0ac550375289151a2af168e3d906842f1c6bed
SHA256 a554f46efa8737a3b80b0d0ea48f18332a2cb9fdd338d9cd8a705b7788f764af
SHA512 54c6d56f71e15d264e575194c75e373adefce58aae9d450d577287a4a81c9434e1291757da619dd66da37cb5e8672304147649a7826363890a266dfc00cebcfc

memory/1960-56-0x0000000000000000-mapping.dmp

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

MD5 b1d0ca984a47436390b56f680f447e8b
SHA1 ea0ac550375289151a2af168e3d906842f1c6bed
SHA256 a554f46efa8737a3b80b0d0ea48f18332a2cb9fdd338d9cd8a705b7788f764af
SHA512 54c6d56f71e15d264e575194c75e373adefce58aae9d450d577287a4a81c9434e1291757da619dd66da37cb5e8672304147649a7826363890a266dfc00cebcfc

memory/520-59-0x0000000000000000-mapping.dmp

memory/1144-60-0x0000000000000000-mapping.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-10-17 08:52

Reported

2022-10-17 08:54

Platform

win10v2004-20220812-en

Max time kernel

143s

Max time network

147s

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
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 20.44.10.122:443 tcp
US 204.11.56.48:80 www.polarroute.com tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
NL 104.110.191.140:80 tcp
US 204.11.56.48:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 164.2.77.40.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 14.110.152.52.in-addr.arpa udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/2052-132-0x0000000000000000-mapping.dmp

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

MD5 f5eb0182c6be55844c06608c3bce238a
SHA1 e10a961b297b4f7d46cf6b30776ba9ff2cd6dae7
SHA256 ae6be4bd73e77c84eb49f0fecfdc3e5f5182674f62a8cfe770078ca499b8079c
SHA512 521ddfb532e0f1b738b988665c8b5e7287bc92af93b0fd21ef65da899eb7eabe1ab5fe3d0f78ca77e1b9c6d28f735da3c723f96a7d9e2e8a064d2b911169fbc7

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

MD5 f5eb0182c6be55844c06608c3bce238a
SHA1 e10a961b297b4f7d46cf6b30776ba9ff2cd6dae7
SHA256 ae6be4bd73e77c84eb49f0fecfdc3e5f5182674f62a8cfe770078ca499b8079c
SHA512 521ddfb532e0f1b738b988665c8b5e7287bc92af93b0fd21ef65da899eb7eabe1ab5fe3d0f78ca77e1b9c6d28f735da3c723f96a7d9e2e8a064d2b911169fbc7

memory/4364-135-0x0000000000000000-mapping.dmp

memory/2256-136-0x0000000000000000-mapping.dmp