Malware Analysis Report

2025-01-02 02:50

Sample ID 241130-frk11atng1
Target 2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe
SHA256 2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783
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

2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783

Threat Level: Known bad

The file 2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula discovery persistence rat trojan

Sakula family

Sakula

Sakula payload

Loads dropped DLL

Checks computer location settings

Deletes itself

Executes dropped EXE

Adds Run key to start application

UPX packed file

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Unsigned PE

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

2024-11-30 05:06

Signatures

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

2024-11-30 05:06

Reported

2024-11-30 05:08

Platform

win7-20240903-en

Max time kernel

112s

Max time network

116s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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

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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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
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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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\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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2492 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2492 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2492 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2492 wrote to memory of 1448 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2492 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Windows\SysWOW64\cmd.exe
PID 2492 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Windows\SysWOW64\cmd.exe
PID 2492 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Windows\SysWOW64\cmd.exe
PID 2492 wrote to memory of 2672 N/A C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe C:\Windows\SysWOW64\cmd.exe
PID 2672 wrote to memory of 2892 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2672 wrote to memory of 2892 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2672 wrote to memory of 2892 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2672 wrote to memory of 2892 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe

"C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
TH 184.22.175.13:80 tcp

Files

memory/2492-0-0x0000000000C20000-0x0000000000C3F000-memory.dmp

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

MD5 f03919bac996a86ad98d9b92e29a648e
SHA1 fbb39548c864b01c36dd617682c8e368408534f6
SHA256 74b507d2b6f1877c14e5287a05256195838d88c89c6061f86c1e34833f4b9566
SHA512 af2e0f0d170e5a4a9b7ceb2b00e32dc3529181351f6a4b31cee08a576f4de4c15c10c5b13f74964a9923a5887d70737295a7cbede5a0d37f324cd0c807971b5c

memory/2492-3-0x0000000000070000-0x000000000008F000-memory.dmp

memory/2492-10-0x0000000000C20000-0x0000000000C3F000-memory.dmp

memory/2492-11-0x0000000000070000-0x000000000008F000-memory.dmp

memory/1448-13-0x0000000000EE0000-0x0000000000EFF000-memory.dmp

memory/2492-19-0x0000000000C20000-0x0000000000C3F000-memory.dmp

memory/1448-26-0x0000000000EE0000-0x0000000000EFF000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-30 05:06

Reported

2024-11-30 05:08

Platform

win10v2004-20241007-en

Max time kernel

111s

Max time network

110s

Command Line

"C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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
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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe

"C:\Users\Admin\AppData\Local\Temp\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.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\2ef20b43173ef6d29a6a156e0b87e7753eb226c03a09715974ee1cd9f9fe5783N.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 241.150.49.20.in-addr.arpa udp
US 8.8.8.8:53 172.210.232.199.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 23.159.190.20.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 200.163.202.172.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 107.12.20.2.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 240.221.184.93.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp

Files

memory/3004-0-0x0000000000480000-0x000000000049F000-memory.dmp

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

MD5 c7fbf96550f971476a46c85402cf282a
SHA1 5613486b235931fc01c18b47b7842b7d57baee4c
SHA256 1a0256de427d08a41e45f76c76162027666eff01665f0a8de11e50b75e1a74a0
SHA512 5c2e6bae1fde2034784cc78d17c1b7a39add4a2306121635fef492e7e706e22939394db065ea681d6cdec9eed4671c574b701ddeade1d393519038e8d272d855

memory/4608-4-0x00000000008D0000-0x00000000008EF000-memory.dmp

memory/3004-6-0x0000000000480000-0x000000000049F000-memory.dmp

memory/4608-8-0x00000000008D0000-0x00000000008EF000-memory.dmp

memory/3004-14-0x0000000000480000-0x000000000049F000-memory.dmp

memory/4608-21-0x00000000008D0000-0x00000000008EF000-memory.dmp