Malware Analysis Report

2025-01-02 02:49

Sample ID 241127-ddq9ratkbz
Target ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe
SHA256 ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9e
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

ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9e

Threat Level: Known bad

The file ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula family

Sakula payload

Sakula

Loads dropped DLL

Checks computer location settings

Executes dropped EXE

Deletes itself

Adds Run key to start application

UPX packed file

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-27 02:53

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

2024-11-27 02:53

Reported

2024-11-27 02:55

Platform

win7-20241010-en

Max time kernel

119s

Max time network

123s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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:\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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1604 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1604 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1604 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1604 wrote to memory of 2820 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1604 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Windows\SysWOW64\cmd.exe
PID 1604 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Windows\SysWOW64\cmd.exe
PID 1604 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Windows\SysWOW64\cmd.exe
PID 1604 wrote to memory of 2732 N/A C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe C:\Windows\SysWOW64\cmd.exe
PID 2732 wrote to memory of 2324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2732 wrote to memory of 2324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2732 wrote to memory of 2324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2732 wrote to memory of 2324 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe

"C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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/1604-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 537781c04a114c3b2a608dce76151a92
SHA1 78040d69ee80e90d37af6cfc78f97050740e23e4
SHA256 c29746047b2cddaf20eab8f4beb973e65ef930952d027b66448ea25c3c04ab52
SHA512 293b9c64a4593a7a2eb7fbc73a5833ed6a81077788cdde3be663898c0c6ac1ebac01a3e256c64dd120aa3d4ce2862455e4167c12ed049c278291c68559648434

memory/2820-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1604-5-0x0000000000230000-0x0000000000255000-memory.dmp

memory/1604-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1604-9-0x0000000000230000-0x0000000000255000-memory.dmp

memory/2820-10-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1604-11-0x0000000000400000-0x0000000000425000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-27 02:53

Reported

2024-11-27 02:55

Platform

win10v2004-20241007-en

Max time kernel

117s

Max time network

118s

Command Line

"C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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-1-5-21-3756129449-3121373848-4276368241-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.exe

"C:\Users\Admin\AppData\Local\Temp\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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\ab4d2a65ef902b5baa4af2f2efc961bb9e05a52373861b7f869ef81c93451d9eN.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 8.8.8.8:53 196.249.167.52.in-addr.arpa udp
US 8.8.8.8:53 48.169.248.13.in-addr.arpa udp
US 8.8.8.8:53 88.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 217.106.137.52.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 18.31.95.13.in-addr.arpa udp
US 8.8.8.8:53 92.12.20.2.in-addr.arpa udp
US 13.248.169.48:80 www.polarroute.com tcp
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 83.210.23.2.in-addr.arpa udp
US 8.8.8.8:53 11.227.111.52.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/4744-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 5223914b333ab8c9f2e4b1f9e48df098
SHA1 7373669482b1f9cf24dfda6f57c6a3d4e8d5637d
SHA256 adfd86dcd1c0cd793b5328c445b2b254e2847803cc44b7cdffddb63473a7b635
SHA512 42e2914059531b99dc24f4a04a12926d4f1552dde21baf5eef333159c340f5421b6e7d15a5df3db9ea7177754fcf0b18c0246545be3d63061823736574621131

memory/2184-4-0x0000000000400000-0x0000000000425000-memory.dmp

memory/4744-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/2184-7-0x0000000000400000-0x0000000000425000-memory.dmp

memory/4744-8-0x0000000000400000-0x0000000000425000-memory.dmp