Malware Analysis Report

2024-12-07 22:04

Sample ID 241118-cyv8rsvrh1
Target 84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe
SHA256 84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a
Tags
sakula discovery persistence rat trojan upx
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

84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a

Threat Level: Known bad

The file 84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan upx

Sakula family

Sakula

Sakula payload

Deletes itself

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

UPX packed file

System Network Configuration Discovery: Internet Connection Discovery

Unsigned PE

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-18 02:29

Signatures

Sakula family

sakula

Sakula payload

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

UPX packed file

upx
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

2024-11-18 02:29

Reported

2024-11-18 02:32

Platform

win10v2004-20241007-en

Max time kernel

150s

Max time network

151s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3227495264-2217614367-4027411560-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe 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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe N/A

UPX packed file

upx
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

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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

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

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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe

"C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.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 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 58.55.71.13.in-addr.arpa udp
US 8.8.8.8:53 172.214.232.199.in-addr.arpa udp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp
US 8.8.8.8:53 2.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 140.71.91.104.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 13.248.169.48:80 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
US 8.8.8.8:53 udp

Files

memory/3844-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 c5dd428b6a6f2b604ba67cf49684829b
SHA1 a4041cc2ffd571c0f71ce1e1937e6de684892892
SHA256 fc8e3c71a310fcb79c97604bb81e983c6a8f375917bf3c50fa36e4d5c74181d8
SHA512 cd020d33ed3e0e52646aba3c324047018ef0734427feb719ad4737accf19d6db170bb0777adc486c1cf329ddf7273238a96d0c21c83865c655362084094e052c

memory/3844-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3972-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/3844-7-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-18 02:29

Reported

2024-11-18 02:32

Platform

win7-20240903-en

Max time kernel

129s

Max time network

124s

Command Line

"C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe"

Signatures

Sakula

trojan rat sakula

Sakula family

sakula

Sakula payload

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
N/A N/A N/A N/A

Deletes itself

Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\cmd.exe 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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe N/A

UPX packed file

upx
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
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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\cmd.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Windows\SysWOW64\PING.EXE N/A

System Network Configuration Discovery: Internet Connection Discovery

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

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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2368 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2368 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2368 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2368 wrote to memory of 1916 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2368 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 2368 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 2368 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 2368 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 2820 wrote to memory of 2304 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2820 wrote to memory of 2304 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2820 wrote to memory of 2304 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2820 wrote to memory of 2304 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe

"C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.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\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.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 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 www.northpoleroute.com udp

Files

memory/2368-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 fc748eb51dfa0c0668abedeca06be238
SHA1 ab1aa8a8e33569de619b5f98ed8b81c9fea78e18
SHA256 f8f9b6cf6cff0afed69157ba36bdd73f5f6c25f83c30ebde5c5e4572739726fb
SHA512 facb69d9155afd467050200c899784f0dae9f4aaae3823f1e1111d267f03ea36c412856fe35a3aedf13b8efaaf71a3462f81aad9add5964d74902e21f2e13cf7

memory/2368-6-0x00000000002D0000-0x00000000002F5000-memory.dmp

memory/1916-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2368-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1916-10-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2368-9-0x00000000002D0000-0x00000000002F5000-memory.dmp

memory/2368-11-0x0000000000400000-0x0000000000425000-memory.dmp