Malware Analysis Report

2024-10-23 17:40

Sample ID 220201-lkqwkacha6
Target a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118
SHA256 a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118
Tags
gozi_rm3 persistence
score
10/10

Table of Contents

Analysis Overview

MITRE ATT&CK

Enterprise Matrix V6

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

a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118

Threat Level: Known bad

The file a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118 was found to be: Known bad.

Malicious Activity Summary

gozi_rm3 persistence

Gozi_rm3 family

Sets service image path in registry

Drops file in Windows directory

Modifies data under HKEY_USERS

Suspicious use of AdjustPrivilegeToken

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-01 09:35

Signatures

Gozi_rm3 family

gozi_rm3

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-01 09:35

Reported

2022-02-01 09:39

Platform

win7-en-20211208

Max time kernel

117s

Max time network

117s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118.exe"

Signatures

N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118.exe

"C:\Users\Admin\AppData\Local\Temp\a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118.exe"

Network

N/A

Files

N/A

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-01 09:35

Reported

2022-02-01 09:39

Platform

win10v2004-en-20220113

Max time kernel

120s

Max time network

165s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118.exe"

Signatures

Sets service image path in registry

persistence

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\WindowsUpdate.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log C:\Windows\system32\svchost.exe N/A
File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb C:\Windows\system32\svchost.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\TrustedPeople C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\trust\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\WinTrust\Trust Providers\Software Publishing C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\SmartCardRoot\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\Disallowed\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeShutdownPrivilege N/A C:\Windows\system32\svchost.exe N/A
Token: SeCreatePagefilePrivilege N/A C:\Windows\system32\svchost.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118.exe

"C:\Users\Admin\AppData\Local\Temp\a2dc4d9a7b686612cdbe2bd80c1855360ac160b1321aa4a5e305525311fd9118.exe"

C:\Windows\System32\WaaSMedicAgent.exe

C:\Windows\System32\WaaSMedicAgent.exe a7ee9ebca1fb1a482c75c77bbbb3b8a4 Z6J1tJw5akqPxBq4QgSssQ.0.1.0.0.0

C:\Windows\system32\svchost.exe

C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv

Network

Country Destination Domain Proto
NL 104.110.191.133:80 tcp
NL 104.110.191.133:80 tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
NL 20.73.194.208:443 settings-win.data.microsoft.com tcp
US 8.8.8.8:53 settings-win.data.microsoft.com udp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp
US 52.167.17.97:443 settings-win.data.microsoft.com tcp

Files

memory/4332-130-0x000002BED4D90000-0x000002BED4DA0000-memory.dmp

memory/4332-137-0x000002BED7B10000-0x000002BED7B14000-memory.dmp