Malware Analysis Report

2024-11-13 18:44

Sample ID 231012-1hv5tsbg3z
Target 9df73150049582985ec8abd22e42ce91_JC.exe
SHA256 20092dbc1daf981353fb869d8be7f2070953052f75808a949e34fbe9a156be7c
Tags
sakula persistence rat trojan upx
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

20092dbc1daf981353fb869d8be7f2070953052f75808a949e34fbe9a156be7c

Threat Level: Known bad

The file 9df73150049582985ec8abd22e42ce91_JC.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan upx

Sakula

Sakula payload

Checks computer location settings

UPX packed file

Executes dropped EXE

Deletes itself

Loads dropped DLL

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

Suspicious use of WriteProcessMemory

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-12 21:39

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

2023-10-12 21:39

Reported

2023-10-17 14:11

Platform

win7-20230831-en

Max time kernel

154s

Max time network

169s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe"

Signatures

Sakula

trojan rat 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

Loads dropped DLL

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.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
N/A N/A N/A 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\9df73150049582985ec8abd22e42ce91_JC.exe N/A

Enumerates physical storage devices

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\9df73150049582985ec8abd22e42ce91_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2096 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2096 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2096 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2096 wrote to memory of 2336 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2096 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2096 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2096 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2096 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2608 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2608 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2608 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2608 wrote to memory of 2692 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe

"C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.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\9df73150049582985ec8abd22e42ce91_JC.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 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 3.33.130.190:80 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp

Files

memory/2096-0-0x0000000000400000-0x0000000000424000-memory.dmp

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

MD5 a1634ab5db05e3a51e24a07df705c10c
SHA1 63f53f66870d82d5f018fd6297f2eee7a90876ed
SHA256 7b46c2a9d993a62d4c6c6f47547145a13e92c22dbb1db0ba28e16b7add8ea88b
SHA512 c4b64c6165ecba073fc538e39ddf0b94a35a71f1b3130418c96030b43ce3cafccc983cd846d214626e933f2db3bfa3d678c919c9a6f83d8ff128e188edbcd582

memory/2096-4-0x0000000000230000-0x0000000000254000-memory.dmp

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

MD5 a1634ab5db05e3a51e24a07df705c10c
SHA1 63f53f66870d82d5f018fd6297f2eee7a90876ed
SHA256 7b46c2a9d993a62d4c6c6f47547145a13e92c22dbb1db0ba28e16b7add8ea88b
SHA512 c4b64c6165ecba073fc538e39ddf0b94a35a71f1b3130418c96030b43ce3cafccc983cd846d214626e933f2db3bfa3d678c919c9a6f83d8ff128e188edbcd582

memory/2096-7-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2096-8-0x0000000000230000-0x0000000000254000-memory.dmp

memory/2336-10-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2096-15-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2336-20-0x0000000000400000-0x0000000000424000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\Cab60F7.tmp

MD5 f3441b8572aae8801c04f3060b550443
SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

C:\Users\Admin\AppData\Local\Temp\Tar7045.tmp

MD5 9441737383d21192400eca82fda910ec
SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-12 21:39

Reported

2023-10-17 14:11

Platform

win10v2004-20230915-en

Max time kernel

165s

Max time network

165s

Command Line

"C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe"

Signatures

Sakula

trojan rat 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-1-5-21-1574508946-349927670-1185736483-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.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

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
N/A N/A N/A N/A
N/A N/A N/A N/A
N/A N/A N/A 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\9df73150049582985ec8abd22e42ce91_JC.exe N/A

Enumerates physical storage devices

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\9df73150049582985ec8abd22e42ce91_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.exe

"C:\Users\Admin\AppData\Local\Temp\9df73150049582985ec8abd22e42ce91_JC.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\9df73150049582985ec8abd22e42ce91_JC.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 8.8.8.8.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 126.24.238.8.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 50.23.12.20.in-addr.arpa udp
US 8.8.8.8:53 254.177.238.8.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 133.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 254.1.248.8.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 www.northpoleroute.com udp
US 3.33.130.190:80 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 8.179.89.13.in-addr.arpa udp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp

Files

memory/2808-0-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2808-1-0x0000000000400000-0x0000000000424000-memory.dmp

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

MD5 16648856eec11667b44835ccadde3094
SHA1 40f2577981418998dc1b2f7a2c2761550ea7d358
SHA256 c26f142b7025447fd8016338e3a192e0072754a64d045d98b3eb2ef38c66509d
SHA512 7caa1e3750312e29128e29ac22629ce19eb0843a32b976ce99154509ede7086a3c93b59cbb950842a0cbb6c02eeba6418bc655da8c7c624003e0909ecc07b223

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

MD5 16648856eec11667b44835ccadde3094
SHA1 40f2577981418998dc1b2f7a2c2761550ea7d358
SHA256 c26f142b7025447fd8016338e3a192e0072754a64d045d98b3eb2ef38c66509d
SHA512 7caa1e3750312e29128e29ac22629ce19eb0843a32b976ce99154509ede7086a3c93b59cbb950842a0cbb6c02eeba6418bc655da8c7c624003e0909ecc07b223

memory/3784-6-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2808-8-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3784-9-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3784-11-0x0000000000400000-0x0000000000424000-memory.dmp

memory/2808-20-0x0000000000400000-0x0000000000424000-memory.dmp

memory/3784-24-0x0000000000400000-0x0000000000424000-memory.dmp