Malware Analysis Report

2024-11-13 18:44

Sample ID 231015-yhag1sfb7x
Target d047b52ee754cea21227319b12a5b960_exe32.exe
SHA256 91b8f3cb9a30b6bd4a2e0a4a5ffecb9fe4afb95042ebbc90e8fa860e318e7423
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

91b8f3cb9a30b6bd4a2e0a4a5ffecb9fe4afb95042ebbc90e8fa860e318e7423

Threat Level: Known bad

The file d047b52ee754cea21227319b12a5b960_exe32.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan upx

Sakula payload

Sakula family

Sakula

Checks computer location settings

Deletes itself

Executes dropped EXE

Loads dropped DLL

UPX packed file

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Runs ping.exe

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-15 19:46

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

2023-10-15 19:46

Reported

2023-10-16 00:39

Platform

win7-20230831-en

Max time kernel

143s

Max time network

158s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.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
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\d047b52ee754cea21227319b12a5b960_exe32.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

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\d047b52ee754cea21227319b12a5b960_exe32.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\d047b52ee754cea21227319b12a5b960_exe32.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 2808 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2684 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\MediaCenter.exe
PID 2808 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Windows\SysWOW64\cmd.exe
PID 2808 wrote to memory of 2488 N/A C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe C:\Windows\SysWOW64\cmd.exe
PID 2488 wrote to memory of 2564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2488 wrote to memory of 2564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2488 wrote to memory of 2564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2488 wrote to memory of 2564 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe

"C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.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\d047b52ee754cea21227319b12a5b960_exe32.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/2808-0-0x0000000000400000-0x0000000000435000-memory.dmp

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

MD5 48ce56e179a90150dc11a41df7d7574e
SHA1 c16e64b8803731e8f3a43dd5137f6c23d6c7bd52
SHA256 fa95a7972a28af46b9610d7246b7c270e404c0bb0ccdbf80f1d170e349b4de6d
SHA512 d13b03ddae8d0d00d6fa847949d77d6f0b871108cce187a37a26df47cba06bc21fdcd03fd7cbccdfe564adf6940e8a1f347fd6a073b31eb46ac1549a89aa85b4

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

MD5 48ce56e179a90150dc11a41df7d7574e
SHA1 c16e64b8803731e8f3a43dd5137f6c23d6c7bd52
SHA256 fa95a7972a28af46b9610d7246b7c270e404c0bb0ccdbf80f1d170e349b4de6d
SHA512 d13b03ddae8d0d00d6fa847949d77d6f0b871108cce187a37a26df47cba06bc21fdcd03fd7cbccdfe564adf6940e8a1f347fd6a073b31eb46ac1549a89aa85b4

memory/2684-6-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2808-7-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2808-8-0x00000000003C0000-0x00000000003F5000-memory.dmp

memory/2684-9-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2808-10-0x0000000000400000-0x0000000000435000-memory.dmp

C:\Users\Admin\AppData\Local\Temp\CabFDB2.tmp

MD5 f3441b8572aae8801c04f3060b550443
SHA1 4ef0a35436125d6821831ef36c28ffaf196cda15
SHA256 6720349e7d82ee0a8e73920d3c2b7cb2912d9fcf2edb6fd98f2f12820158b0bf
SHA512 5ba01ba421b50030e380ae6bbcd2f681f2a91947fe7fedb3c8e6b5f24dce9517abf57b1cf26cc6078d4bb53bde6fcfb2561591337c841f8f2cb121a3d71661b9

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

MD5 9441737383d21192400eca82fda910ec
SHA1 725e0d606a4fc9ba44aa8ffde65bed15e65367e4
SHA256 bc3a6e84e41faeb57e7c21aa3b60c2a64777107009727c5b7c0ed8fe658909e5
SHA512 7608dd653a66cd364392a78d4711b48d1707768d36996e4d38871c6843b5714e1d7da4b4cc6db969e6000cfa182bcb74216ef6823d1063f036fc5c3413fb8dcf

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-15 19:46

Reported

2023-10-16 00:41

Platform

win10v2004-20230915-en

Max time kernel

142s

Max time network

150s

Command Line

"C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.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
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Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-3027552071-446050021-1254071215-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.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

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\d047b52ee754cea21227319b12a5b960_exe32.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\d047b52ee754cea21227319b12a5b960_exe32.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.exe

"C:\Users\Admin\AppData\Local\Temp\d047b52ee754cea21227319b12a5b960_exe32.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\d047b52ee754cea21227319b12a5b960_exe32.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 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 8.3.197.209.in-addr.arpa udp
US 8.8.8.8:53 67.31.126.40.in-addr.arpa udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 2.136.104.51.in-addr.arpa udp
US 8.8.8.8:53 www.polarroute.com udp
US 8.8.8.8:53 58.99.105.20.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 15.164.165.52.in-addr.arpa udp
US 8.8.8.8:53 1.202.248.87.in-addr.arpa udp
US 8.8.8.8:53 43.58.199.20.in-addr.arpa udp
US 8.8.8.8:53 tse1.mm.bing.net udp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
US 204.79.197.200:443 tse1.mm.bing.net tcp
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 8.8.8.8:53 24.249.124.192.in-addr.arpa udp
US 8.8.8.8:53 190.130.33.3.in-addr.arpa udp
GB 96.16.110.41:443 tcp
US 192.229.221.95:80 tcp
US 8.8.8.8:53 13.227.111.52.in-addr.arpa udp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 3.33.130.190:443 www.northpoleroute.com tcp
US 8.8.8.8:53 15.173.189.20.in-addr.arpa udp

Files

memory/4604-0-0x0000000000400000-0x0000000000435000-memory.dmp

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

MD5 edd75801230841cfd02e2fad20a927da
SHA1 e3b18fabc7540c2b0eb0e83f5c5e2f50f95687ab
SHA256 9154328ecb110995e64b16397ab95fad517b2139be94bc9928d7b38b012953ef
SHA512 bee80e193f30dcc4f40598f02f084850e81981408c547d5b3399e29216a38c4ff236b9c13a77314b3509f0143a6819c35f09dde0de341f91733521ace6f1cf0d

memory/2020-5-0x0000000000400000-0x0000000000435000-memory.dmp

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

MD5 edd75801230841cfd02e2fad20a927da
SHA1 e3b18fabc7540c2b0eb0e83f5c5e2f50f95687ab
SHA256 9154328ecb110995e64b16397ab95fad517b2139be94bc9928d7b38b012953ef
SHA512 bee80e193f30dcc4f40598f02f084850e81981408c547d5b3399e29216a38c4ff236b9c13a77314b3509f0143a6819c35f09dde0de341f91733521ace6f1cf0d

memory/4604-6-0x0000000000400000-0x0000000000435000-memory.dmp

memory/2020-7-0x0000000000400000-0x0000000000435000-memory.dmp

memory/4604-8-0x0000000000400000-0x0000000000435000-memory.dmp

C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\QHTO49S3\zqhgcpjn-1519258334[1].htm

MD5 b8e5031ea545c52885f5e92f753dfa29
SHA1 caa26c58c4c50e0d1227a7d06b44171e4727c49f
SHA256 a2feeca638d07f490ab9a6808d334259ac823b8dc7d1d6a0408ce977c790bef2
SHA512 0d2e1e0b87a73f95f40d66a83200ea82b2d34f28d3b27aac3bb89a1edf323cfe6b681ce7f21b440880e07706d76fe90f6c8c3bda14b0c82837dee384a89713c5