Malware Analysis Report

2025-01-02 02:49

Sample ID 241121-m1drlswkhn
Target c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe
SHA256 c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51
Tags
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

c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51

Threat Level: Known bad

The file c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe was found to be: Known bad.

Malicious Activity Summary

sakula discovery persistence rat trojan

Sakula payload

Sakula

Sakula family

Executes dropped EXE

Loads dropped DLL

Deletes itself

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2024-11-21 10:55

Signatures

Unsigned PE

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

Analysis: behavioral1

Detonation Overview

Submitted

2024-11-21 10:55

Reported

2024-11-21 10:58

Platform

win7-20240903-en

Max time kernel

148s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.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\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe 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\MicroMedia\MediaCenter.exe N/A
Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe N/A

System Network Configuration Discovery: Internet Connection Discovery

discovery
Description Indicator Process Target
N/A N/A C:\Windows\SysWOW64\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\cmd.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\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2128 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2128 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2128 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2128 wrote to memory of 2244 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2128 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Windows\SysWOW64\cmd.exe
PID 2128 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Windows\SysWOW64\cmd.exe
PID 2128 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Windows\SysWOW64\cmd.exe
PID 2128 wrote to memory of 2888 N/A C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe C:\Windows\SysWOW64\cmd.exe
PID 2888 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2888 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2888 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2888 wrote to memory of 2644 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe

"C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.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\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.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
TH 184.22.175.13:80 tcp

Files

memory/2128-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 eb6cfe8fba073f320cd523ad33da19db
SHA1 c704b2a2de6ffbc4a0c9103d86ae6a4acda967b6
SHA256 c68a75ceab71321cfe7ad17ac6040c1264bb525101ee71c65f048914c2d85a3d
SHA512 e288cddc466e12b340d8974c08ff6968ba3850404488f63f11a0890bee4add8c3f7132a7355861815ea8b49afdfb60abbf631cdf263069851ae225501adca5d5

memory/2244-11-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2128-10-0x00000000002A0000-0x00000000002BA000-memory.dmp

memory/2128-9-0x00000000002A0000-0x00000000002BA000-memory.dmp

memory/2128-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2128-13-0x00000000002A0000-0x00000000002BA000-memory.dmp

memory/2244-15-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2128-14-0x00000000002A0000-0x00000000002BA000-memory.dmp

memory/2128-23-0x00000000002A0000-0x00000000002BA000-memory.dmp

memory/2128-22-0x0000000000400000-0x000000000041A000-memory.dmp

memory/2244-28-0x0000000000400000-0x000000000041A000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2024-11-21 10:55

Reported

2024-11-21 10:58

Platform

win10v2004-20241007-en

Max time kernel

30s

Max time network

142s

Command Line

"C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.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

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\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe 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\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.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\PING.EXE N/A
N/A N/A C:\Windows\SysWOW64\cmd.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\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.exe

"C:\Users\Admin\AppData\Local\Temp\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.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\c8d256633a89c310ecbc4288105534f21d4f1df31b08da061cd9e47bdf724a51.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 8.8.8.8:53 228.249.119.40.in-addr.arpa udp
US 8.8.8.8:53 136.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 154.239.44.20.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 53.210.109.20.in-addr.arpa udp
US 8.8.8.8:53 206.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 citrix.vipreclod.com udp
US 8.8.8.8:53 citrix.vipreclod.com udp
TH 184.22.175.13:80 tcp
US 8.8.8.8:53 11.227.111.52.in-addr.arpa udp
TH 184.22.175.13:80 tcp

Files

memory/1080-0-0x0000000000400000-0x000000000041A000-memory.dmp

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

MD5 982528c03d15e2d89ac05c9bd1098cc8
SHA1 f2c1483108147e61e54394f54ded615f19bcce7a
SHA256 82b19f9ef5baae0f69da4ce60801b530089c3e0b5ea9ed0ef745ce20d7de2389
SHA512 65f0c9e2fbd70b49784686469a1a5672bd8f3a8aac0211ae17c9ee25a127a6f2785a0f11598af746c58eca9c5739eb3d04e2481f7b06dc2468d501affb4acad6

memory/1080-5-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3448-7-0x0000000000400000-0x000000000041A000-memory.dmp

memory/1080-12-0x0000000000400000-0x000000000041A000-memory.dmp

memory/3448-17-0x0000000000400000-0x000000000041A000-memory.dmp