Malware Analysis Report

2025-08-06 04:24

Sample ID 220205-n3khlsbaf3
Target a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff
SHA256 a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff
Tags
trickbot ono38 banker dave trojan
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

a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff

Threat Level: Known bad

The file a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff was found to be: Known bad.

Malicious Activity Summary

trickbot ono38 banker dave trojan

Trickbot

Dave packer

Drops file in Windows directory

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Suspicious use of AdjustPrivilegeToken

Checks processor information in registry

Modifies data under HKEY_USERS

MITRE ATT&CK

Analysis: static1

Detonation Overview

Reported

2022-02-05 11:55

Signatures

N/A

Analysis: behavioral1

Detonation Overview

Submitted

2022-02-05 11:55

Reported

2022-02-05 11:58

Platform

win7-en-20211208

Max time kernel

139s

Max time network

130s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff.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\a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff.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\a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff.exe

"C:\Users\Admin\AppData\Local\Temp\a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff.exe"

C:\Windows\system32\wermgr.exe

C:\Windows\system32\wermgr.exe

Network

N/A

Files

memory/1324-55-0x00000000756C1000-0x00000000756C3000-memory.dmp

memory/1324-56-0x0000000000330000-0x0000000000362000-memory.dmp

memory/1324-59-0x00000000003A0000-0x00000000003CF000-memory.dmp

memory/1324-61-0x0000000000370000-0x000000000039E000-memory.dmp

memory/1324-60-0x0000000000230000-0x0000000000260000-memory.dmp

memory/1324-63-0x0000000010000000-0x0000000010003000-memory.dmp

memory/1324-62-0x00000000003D0000-0x00000000003D1000-memory.dmp

memory/1608-64-0x0000000000060000-0x0000000000084000-memory.dmp

Analysis: behavioral2

Detonation Overview

Submitted

2022-02-05 11:55

Reported

2022-02-05 11:58

Platform

win10v2004-en-20220112

Max time kernel

146s

Max time network

157s

Command Line

"C:\Users\Admin\AppData\Local\Temp\a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff.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

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
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\DownloadMonthlyLinkLocalBytes = "0" 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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90" C:\Windows\System32\svchost.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\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\UploadMonthlyInternetBytes = "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\CacheSizeBytes = "0" C:\Windows\System32\svchost.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 (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0" C:\Windows\System32\svchost.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 (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\PeerInfoCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1" 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\UploadRatePct = "100" 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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3840" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings 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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" C:\Windows\System32\svchost.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 (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "2.479374" C:\Windows\System32\svchost.exe N/A
Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132887121444877015" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "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\MonthlyUploadRestriction = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0" C:\Windows\System32\svchost.exe N/A
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" C:\Windows\System32\svchost.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\DownloadMonthlyCdnBytes = "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\UplinkUsageBps = "0" C:\Windows\System32\svchost.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
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\DownloadMonthlyGroupBytes = "0" 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\DownloadMonthlyRateFrCnt = "0" C:\Windows\System32\svchost.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\GroupConnectionCount = "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
Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4016" C:\Windows\System32\svchost.exe N/A
Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.006609" C:\Windows\System32\svchost.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\a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff.exe

"C:\Users\Admin\AppData\Local\Temp\a49a095ec2f03a00358f4874acf3d574d0d582a52065d1f597d9d83b0eea93ff.exe"

C:\Windows\system32\MusNotifyIcon.exe

%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 13

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 209.197.3.8:80 tcp
US 209.197.3.8:80 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 52.167.249.196:443 settings-win.data.microsoft.com tcp
NL 104.80.224.57:443 tcp
US 8.8.8.8:53 geo.prod.do.dsp.mp.microsoft.com udp
US 52.179.219.14:443 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

Files

memory/212-130-0x0000000002230000-0x0000000002262000-memory.dmp

memory/212-134-0x0000000000710000-0x0000000000740000-memory.dmp

memory/212-135-0x0000000000A40000-0x0000000000A6E000-memory.dmp

memory/212-136-0x0000000002370000-0x000000000239F000-memory.dmp

memory/212-140-0x0000000010000000-0x0000000010003000-memory.dmp

memory/212-139-0x00000000023B0000-0x00000000023B1000-memory.dmp

memory/2080-141-0x00000270EBD60000-0x00000270EBD84000-memory.dmp