Malware Analysis Report

2024-11-13 18:44

Sample ID 231013-zbq2vseh78
Target NEAS.9db08939eb0df4981c39f473f33f7e40.exe
SHA256 15f908c24d99451d90104938685ca2513df8564172635325f4b9754f9c8220c1
Tags
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

15f908c24d99451d90104938685ca2513df8564172635325f4b9754f9c8220c1

Threat Level: Known bad

The file NEAS.9db08939eb0df4981c39f473f33f7e40.exe was found to be: Known bad.

Malicious Activity Summary

sakula persistence rat trojan

Sakula

Sakula payload

Sakula family

Deletes itself

Loads dropped DLL

Executes dropped EXE

Checks computer location settings

Adds Run key to start application

Enumerates physical storage devices

Unsigned PE

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Runs ping.exe

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2023-10-13 20:32

Signatures

Sakula family

sakula

Sakula payload

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

2023-10-13 20:32

Reported

2023-10-14 02:16

Platform

win7-20230831-en

Max time kernel

140s

Max time network

146s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.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\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.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.9db08939eb0df4981c39f473f33f7e40.exe N/A

Suspicious use of WriteProcessMemory

Description Indicator Process Target
PID 1764 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1764 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1764 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1764 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1764 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1764 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1764 wrote to memory of 2828 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.exe
PID 1764 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Windows\SysWOW64\cmd.exe
PID 1764 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Windows\SysWOW64\cmd.exe
PID 1764 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Windows\SysWOW64\cmd.exe
PID 1764 wrote to memory of 2784 N/A C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe C:\Windows\SysWOW64\cmd.exe
PID 2784 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2784 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2784 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE
PID 2784 wrote to memory of 2972 N/A C:\Windows\SysWOW64\cmd.exe C:\Windows\SysWOW64\PING.EXE

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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.9db08939eb0df4981c39f473f33f7e40.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 www.savmpet.com udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp

Files

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

MD5 50642956a840cc1c2c5dc4d3eb5b95d5
SHA1 1e7522903b59cd7fb3b8acab7648d4741e7d3db1
SHA256 b46b80595dbe0823ee550915d1d76faf01ef2e595af356543f4c65c240f7c751
SHA512 af11ea1d902141f0e23916d9b4da3bc1c3be5f36e1d292a36a4828f5156598a9ff83198c9d8389b110acb4dd6ed9700ac5dfce7d1baf1a8aaddf4178519041a0

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

MD5 50642956a840cc1c2c5dc4d3eb5b95d5
SHA1 1e7522903b59cd7fb3b8acab7648d4741e7d3db1
SHA256 b46b80595dbe0823ee550915d1d76faf01ef2e595af356543f4c65c240f7c751
SHA512 af11ea1d902141f0e23916d9b4da3bc1c3be5f36e1d292a36a4828f5156598a9ff83198c9d8389b110acb4dd6ed9700ac5dfce7d1baf1a8aaddf4178519041a0

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

MD5 50642956a840cc1c2c5dc4d3eb5b95d5
SHA1 1e7522903b59cd7fb3b8acab7648d4741e7d3db1
SHA256 b46b80595dbe0823ee550915d1d76faf01ef2e595af356543f4c65c240f7c751
SHA512 af11ea1d902141f0e23916d9b4da3bc1c3be5f36e1d292a36a4828f5156598a9ff83198c9d8389b110acb4dd6ed9700ac5dfce7d1baf1a8aaddf4178519041a0

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

MD5 50642956a840cc1c2c5dc4d3eb5b95d5
SHA1 1e7522903b59cd7fb3b8acab7648d4741e7d3db1
SHA256 b46b80595dbe0823ee550915d1d76faf01ef2e595af356543f4c65c240f7c751
SHA512 af11ea1d902141f0e23916d9b4da3bc1c3be5f36e1d292a36a4828f5156598a9ff83198c9d8389b110acb4dd6ed9700ac5dfce7d1baf1a8aaddf4178519041a0

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

MD5 50642956a840cc1c2c5dc4d3eb5b95d5
SHA1 1e7522903b59cd7fb3b8acab7648d4741e7d3db1
SHA256 b46b80595dbe0823ee550915d1d76faf01ef2e595af356543f4c65c240f7c751
SHA512 af11ea1d902141f0e23916d9b4da3bc1c3be5f36e1d292a36a4828f5156598a9ff83198c9d8389b110acb4dd6ed9700ac5dfce7d1baf1a8aaddf4178519041a0

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

MD5 50642956a840cc1c2c5dc4d3eb5b95d5
SHA1 1e7522903b59cd7fb3b8acab7648d4741e7d3db1
SHA256 b46b80595dbe0823ee550915d1d76faf01ef2e595af356543f4c65c240f7c751
SHA512 af11ea1d902141f0e23916d9b4da3bc1c3be5f36e1d292a36a4828f5156598a9ff83198c9d8389b110acb4dd6ed9700ac5dfce7d1baf1a8aaddf4178519041a0

Analysis: behavioral2

Detonation Overview

Submitted

2023-10-13 20:32

Reported

2023-10-14 02:15

Platform

win10v2004-20230915-en

Max time kernel

141s

Max time network

155s

Command Line

"C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.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

Checks computer location settings

Description Indicator Process Target
Key value queried \REGISTRY\USER\S-1-5-21-2344688013-2965468717-2034126-1000\Control Panel\International\Geo\Nation C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe N/A

Executes dropped EXE

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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\AdobeUpdate = "C:\\Users\\Admin\\AppData\\Local\\Temp\\MicroMedia\\AdobeUpdate.exe" C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.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.9db08939eb0df4981c39f473f33f7e40.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe

"C:\Users\Admin\AppData\Local\Temp\NEAS.9db08939eb0df4981c39f473f33f7e40.exe"

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

C:\Users\Admin\AppData\Local\Temp\MicroMedia\AdobeUpdate.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.9db08939eb0df4981c39f473f33f7e40.exe"

C:\Windows\SysWOW64\PING.EXE

ping 127.0.0.1

Network

Country Destination Domain Proto
US 8.8.8.8:53 140.32.126.40.in-addr.arpa udp
US 8.8.8.8:53 95.221.229.192.in-addr.arpa udp
US 8.8.8.8:53 9.228.82.20.in-addr.arpa udp
US 8.8.8.8:53 www.savmpet.com udp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 59.128.231.4.in-addr.arpa udp
US 8.8.8.8:53 245.229.41.34.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 113.208.253.8.in-addr.arpa udp
US 8.8.8.8:53 29.81.57.23.in-addr.arpa udp
US 8.8.8.8:53 86.23.85.13.in-addr.arpa udp
US 8.8.8.8:53 198.187.3.20.in-addr.arpa udp
US 8.8.8.8:53 183.59.114.20.in-addr.arpa udp
US 8.8.8.8:53 241.154.82.20.in-addr.arpa udp
US 8.8.8.8:53 20.160.190.20.in-addr.arpa udp
US 8.8.8.8:53 208.194.73.20.in-addr.arpa udp
US 8.8.8.8:53 240.81.21.72.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 48.229.111.52.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
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 8.8.8.8:53 57.169.31.20.in-addr.arpa udp
US 34.41.229.245:80 www.savmpet.com tcp
US 34.41.229.245:80 www.savmpet.com tcp
US 8.8.8.8:53 209.143.182.52.in-addr.arpa udp

Files

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

MD5 2db2d2c053757565931ad0d50399fa43
SHA1 8b7ca80d59c7af8a692c3cf89d7f8d2b162566f2
SHA256 93ac2a79e310be8d6e0df6b33182df2f06bbc677b1a6d4c889a4b34393d67503
SHA512 0311aefd5f54fb01f44dc4fc1a714116e071c4a80a98634e62e6b345ad6347385c152d63489555129659c1085aa7f73b2e819738dac1e971eeb6d32cb21a4c31

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

MD5 2db2d2c053757565931ad0d50399fa43
SHA1 8b7ca80d59c7af8a692c3cf89d7f8d2b162566f2
SHA256 93ac2a79e310be8d6e0df6b33182df2f06bbc677b1a6d4c889a4b34393d67503
SHA512 0311aefd5f54fb01f44dc4fc1a714116e071c4a80a98634e62e6b345ad6347385c152d63489555129659c1085aa7f73b2e819738dac1e971eeb6d32cb21a4c31