Malware Analysis Report

2024-11-13 18:44

Sample ID 231016-q1yzbsfh5w
Target NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe
SHA256 35e9ff5c915b6af524e014c453b8ce7820a0c0f9c54ff41ee3c0b68edbcc4bef
Tags
upx sakula 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

35e9ff5c915b6af524e014c453b8ce7820a0c0f9c54ff41ee3c0b68edbcc4bef

Threat Level: Known bad

The file NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe was found to be: Known bad.

Malicious Activity Summary

upx sakula persistence rat trojan

Sakula family

Sakula payload

Sakula

Checks computer location settings

UPX packed file

Deletes itself

Executes dropped EXE

Loads dropped DLL

Adds Run key to start application

Unsigned PE

Enumerates physical storage devices

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-16 13:44

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

2023-10-16 13:44

Reported

2023-10-16 15:30

Platform

win7-20230831-en

Max time kernel

143s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_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
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\NEAS.0bd2e1549e25dcfa59256530861c72d0_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

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\NEAS.0bd2e1549e25dcfa59256530861c72d0_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\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1496 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1496 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1496 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1496 wrote to memory of 1548 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 1496 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 1496 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 1496 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 1496 wrote to memory of 2608 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe C:\Windows\SysWOW64\cmd.exe
PID 2608 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2608 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2608 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2608 wrote to memory of 2580 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_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\NEAS.0bd2e1549e25dcfa59256530861c72d0_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
US 3.33.130.190:443 www.northpoleroute.com tcp

Files

memory/1496-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 94c005cf18fd1bbb8fd6906e79413a3c
SHA1 46687b28a149b694da5feba2e780c1a1132870e3
SHA256 865b6054e6002d64456dd2b81bd8512c6f2346376617dcbd6fdeec5e811875e7
SHA512 862bb35435a028918cbcc807b3e722c2a921c20f40358003a0f9787e0f76b5fb7c7edb89f59d4ea34f7736cbb471d25b52d9540da4ea2f6624f0a8ebcab119bf

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

MD5 94c005cf18fd1bbb8fd6906e79413a3c
SHA1 46687b28a149b694da5feba2e780c1a1132870e3
SHA256 865b6054e6002d64456dd2b81bd8512c6f2346376617dcbd6fdeec5e811875e7
SHA512 862bb35435a028918cbcc807b3e722c2a921c20f40358003a0f9787e0f76b5fb7c7edb89f59d4ea34f7736cbb471d25b52d9540da4ea2f6624f0a8ebcab119bf

memory/1496-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1496-7-0x0000000000330000-0x0000000000355000-memory.dmp

memory/1548-8-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1496-9-0x0000000000400000-0x0000000000425000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabA17F.tmp

MD5 f3441b8572aae8801c04f3060b550443
SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

C:\Users\Admin\AppData\Local\Temp\TarA1B1.tmp

MD5 9441737383d21192400eca82fda910ec
SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-16 13:44

Reported

2023-10-16 15:38

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

149s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_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
N/A N/A N/A N/A

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-1141987721-3945596982-3297311814-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_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

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\NEAS.0bd2e1549e25dcfa59256530861c72d0_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\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.0bd2e1549e25dcfa59256530861c72d0_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\NEAS.0bd2e1549e25dcfa59256530861c72d0_JC.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 158.240.127.40.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 108.211.229.192.in-addr.arpa udp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 157.123.68.40.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 254.20.238.8.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 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
US 8.8.8.8:53 23.249.124.192.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 22.236.111.52.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp

Files

memory/1196-0-0x0000000000400000-0x0000000000425000-memory.dmp

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

MD5 c824c2fac26d5999f1673e05c02f4a58
SHA1 c538499f82abe22ede6ca4b34792fa243e562894
SHA256 a57fe406a7cc7482b7d56547ed38e8f333e8a7593c92f48814afd22b4fee024d
SHA512 6b25d4cd74abe73d088466ef13a778f55eb71af183201dad9991ee6b5cfebd3e5f5b59374a42f0ab26a7f68edf738dbcef6078cc118e5e6bf2565e9945882343

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

MD5 c824c2fac26d5999f1673e05c02f4a58
SHA1 c538499f82abe22ede6ca4b34792fa243e562894
SHA256 a57fe406a7cc7482b7d56547ed38e8f333e8a7593c92f48814afd22b4fee024d
SHA512 6b25d4cd74abe73d088466ef13a778f55eb71af183201dad9991ee6b5cfebd3e5f5b59374a42f0ab26a7f68edf738dbcef6078cc118e5e6bf2565e9945882343

memory/1196-5-0x0000000000400000-0x0000000000425000-memory.dmp

memory/4468-6-0x0000000000400000-0x0000000000425000-memory.dmp

memory/1196-7-0x0000000000400000-0x0000000000425000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\19QTJWOB\uscnwqci22981380[1].htm

MD5 b8e5031ea545c52885f5e92f753dfa29
SHA1 caa26c58c4c50e0d1227a7d06b44171e4727c49f
SHA256 a2feeca638d07f490ab9a6808d334259ac823b8dc7d1d6a0408ce977c790bef2
SHA512 0d2e1e0b87a73f95f40d66a83200ea82b2d34f28d3b27aac3bb89a1edf323cfe6b681ce7f21b440880e07706d76fe90f6c8c3bda14b0c82837dee384a89713c5