Malware Analysis Report

2024-12-07 22:05

Sample ID 241119-bgy3naygrk
Target 2cbb6c2d3a076aa2193f20ec11b87cc5.bin
SHA256 c94d6accdf2ddc30786c847d2be266a4d4ba8f0c842685f325490934f7320456
Tags
upx sakula discovery persistence rat trojan
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V15

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

c94d6accdf2ddc30786c847d2be266a4d4ba8f0c842685f325490934f7320456

Threat Level: Known bad

The file 2cbb6c2d3a076aa2193f20ec11b87cc5.bin was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula

Sakula payload

Sakula family

Checks computer location settings

Deletes itself

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

UPX packed file

System Network Configuration Discovery: Internet Connection Discovery

Enumerates physical storage devices

Unsigned PE

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

2024-11-19 01:07

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: behavioral1

Detonation Overview

Submitted

2024-11-19 01:07

Reported

2024-11-19 01:10

Platform

win7-20240903-en

Max time kernel

141s

Max time network

119s

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

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

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 2756 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2756 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2756 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2756 wrote to memory of 2720 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2756 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 2756 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 2756 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 2756 wrote to memory of 536 N/A C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.exe C:\Windows\SysWOW64\cmd.exe
PID 536 wrote to memory of 880 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 536 wrote to memory of 880 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 536 wrote to memory of 880 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 536 wrote to memory of 880 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/2756-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 ecdfa9c69fbc2fd2cde1e6404056d7fa
SHA1 83e13635088764f0cfcd9aa3009e7687dbf13427
SHA256 4315ce673a7a2896fe9a71a2594c9007bfc2bc6f52b4fae86cf5eac8efd4f80f
SHA512 af0bada566ba2c9b7da43d3cf6d8faf7091fb43544582971dbe4ad7cc5744eade773c300829cf67d116d59d6d5ac1331b3b6367bebeb8afa87c13ec5c9d74a5d

memory/2756-6-0x0000000000430000-0x0000000000455000-memory.dmp

memory/2756-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2756-8-0x0000000000430000-0x0000000000455000-memory.dmp

memory/2720-9-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2756-11-0x0000000000430000-0x0000000000455000-memory.dmp

memory/2756-10-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-19 01:07

Reported

2024-11-19 01:10

Platform

win10v2004-20241007-en

Max time kernel

148s

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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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
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\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
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\84c00741099c035fb5059cdb3da09afdc6b64d3b6433bbaca4e4a454ccff239a.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 76.223.54.146:80 www.polarroute.com tcp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 146.54.223.76.in-addr.arpa udp
US 8.8.8.8:53 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 56.163.245.4.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa 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 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 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 23.236.111.52.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/1820-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 e62400fe881b53939a210d4d5614028d
SHA1 72903850f0e936710940d701d29ad97e67508f23
SHA256 bbed6739f54aeb08521a4b13a9f9ef44187aeccefe0e8d42b5b96ac2b3a03b57
SHA512 cec91d56593e13a329241aea385ebf6017a447347d30bf9db372641101ed2a726209c45a4f880e86fb76d8868b53dbde2eebd7032e0c2917c059ebc032684a17

memory/2696-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1820-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2696-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1820-8-0x0000000000400000-0x0000000000425000-memory.dmp