Malware Analysis Report

2025-08-10 18:16

Sample ID 220205-jpnkwshdfr
Target f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22
SHA256 f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22
Tags
trickbot ono41 banker dave trojan 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

f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22

Threat Level: Known bad

The file f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22 was found to be: Known bad.

Malicious Activity Summary

trickbot ono41 banker dave trojan persistence

Trickbot

Dave packer

Sets service image path in registry

Drops file in Windows directory

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Checks processor information in registry

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-05 07:50

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-05 07:50

Reported

2022-02-05 07:53

Platform

win7-en-20211208

Max time kernel

107s

Max time network

21s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22.exe"

Signatures

Trickbot

trojan banker trickbot

Dave packer

dave
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Suspicious behavior: EnumeratesProcesses

Description Indicator Process Target
N/A N/A C:\Users\Admin\AppData\Local\Temp\f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22.exe

"C:\Users\Admin\AppData\Local\Temp\f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22.exe"

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

N/A

Files

memory/1448-53-0x0000000075D61000-0x0000000075D63000-memory.dmp

memory/1448-54-0x0000000000260000-0x000000000028E000-memory.dmp

memory/1448-57-0x00000000002C0000-0x00000000002EB000-memory.dmp

memory/1448-58-0x0000000000230000-0x000000000025C000-memory.dmp

memory/1448-59-0x0000000000290000-0x00000000002BA000-memory.dmp

memory/1448-60-0x0000000000300000-0x0000000000301000-memory.dmp

memory/1448-61-0x0000000010000000-0x0000000010003000-memory.dmp

memory/788-62-0x00000000000E0000-0x0000000000210000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-05 07:50

Reported

2022-02-05 07:53

Platform

win10v2004-en-20220112

Max time kernel

143s

Max time network

152s

Command Line

"C:\Users\Admin\AppData\Local\Temp\f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22.exe"

Signatures

Trickbot

trojan banker trickbot

Dave packer

dave
Description Indicator Process Target
N/A N/A N/A N/A
N/A N/A N/A N/A

Sets service image path in registry

persistence

Drops file in Windows directory

Description Indicator Process Target
File opened for modification C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat C:\Windows\System32\svchost.exe N/A

Checks processor information in registry

Description Indicator Process Target
Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 C:\Windows\system32\MusNotifyIcon.exe N/A
Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz C:\Windows\system32\MusNotifyIcon.exe N/A

Modifies data under HKEY_USERS

Description Indicator Process Target
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Root 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\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\Microsoft\SystemCertificates\trust\CTLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" C:\Windows\System32\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\GeoVersion_EndpointFullUri = "https://geover.prod.do.dsp.mp.microsoft.com/geoversion" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\Disallowed\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0" C:\Windows\System32\svchost.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\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\TrustedPeople\Certificates 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 C:\Windows\System32\WaaSMedicAgent.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" C:\Windows\System32\svchost.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\Policies\Microsoft\SystemCertificates\CA\Certificates 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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "6.521858" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Policies\Microsoft\SystemCertificates\CA C:\Windows\System32\WaaSMedicAgent.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust C:\Windows\System32\WaaSMedicAgent.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4044" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\trust\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\Geo_EndpointFullUri = "https://geo.prod.do.dsp.mp.microsoft.com/geo" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0" C:\Windows\System32\svchost.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\Microsoft\SystemCertificates\trust\Certificates C:\Windows\System32\WaaSMedicAgent.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132886974667886749" C:\Windows\System32\svchost.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\Root\CTLs 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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" C:\Windows\System32\svchost.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\Policies\Microsoft\SystemCertificates\Disallowed\Certificates 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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" C:\Windows\System32\svchost.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\Microsoft\SystemCertificates\Disallowed 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\Microsoft\SystemCertificates\Root\Certificates 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 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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\SystemCertificates\CA\CRLs C:\Windows\System32\WaaSMedicAgent.exe N/A

Suspicious use of AdjustPrivilegeToken

Description Indicator Process Target
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A
Token: SeDebugPrivilege N/A C:\Windows\system32\wermgr.exe N/A

Processes

C:\Users\Admin\AppData\Local\Temp\f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22.exe

"C:\Users\Admin\AppData\Local\Temp\f746e5b1838564afb2dda7c48b03b1d8dc2dfe64da65ae7f5a7f81521fe4eb22.exe"

C:\Windows\system32\MusNotifyIcon.exe

%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13

C:\Windows\System32\WaaSMedicAgent.exe

C:\Windows\System32\WaaSMedicAgent.exe 0a3561ff5574826edc4736f935c58b4e zE4zrc8AYkawhy19BaKjBA.0.1.0.0.0

C:\Windows\System32\svchost.exe

C:\Windows\System32\svchost.exe -k NetworkService -p

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

Country Destination Domain Proto
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 20.190.154.19:443 tcp
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 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 93.184.220.29:80 tcp
US 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
US 52.137.110.235:443 geo.prod.do.dsp.mp.microsoft.com tcp
US 8.8.8.8:53 kv801.prod.do.dsp.mp.microsoft.com udp
NL 184.29.205.60:443 kv801.prod.do.dsp.mp.microsoft.com tcp
US 52.167.249.196:443 settings-win.data.microsoft.com tcp
US 209.197.3.8:80 tcp

Files

memory/3132-130-0x00000000021F0000-0x000000000221E000-memory.dmp

memory/3132-133-0x0000000002360000-0x000000000238B000-memory.dmp

memory/3132-134-0x00000000021C0000-0x00000000021EC000-memory.dmp

memory/3132-135-0x0000000002330000-0x000000000235A000-memory.dmp

memory/3132-137-0x0000000010000000-0x0000000010003000-memory.dmp

memory/3132-136-0x0000000000610000-0x0000000000611000-memory.dmp

memory/1208-140-0x00000217F5AA0000-0x00000217F5D90000-memory.dmp