vidar | 632410964cb2c718c8ae7b6c25848b8c7b902e9a9a766a32a9348e60f83fded5

General

Target

632410964cb2c718c8ae7b6c25848b8c7b902e9a9a766a32a9348e60f83fded5.exe
Size

725KB
MD5

465d77435f210ccaa3a8e6cce05bd24f
SHA1

627f111aaafd02f0cf5b731ba5de8d6db8bf98a5
SHA256

632410964cb2c718c8ae7b6c25848b8c7b902e9a9a766a32a9348e60f83fded5
SHA512

e2a21b355027e9a13073b8ca379cba5f62df37be406b9bee28662a80a55b1a80af4033d60301d7f43e0917059b8386c8d4c52b8c1bf5abc80f1786da17cf3441

Score

10^/10

vidar 937 stealer

Malware Config

Extracted

Family

vidar

Version

49.1

Botnet

937

C2

https://noc.social/@sergeev46

https://c.im/@sergeev47

Attributes

profile_id
937

Signatures

Vidar
Vidar is an infostealer based on Arkei stealer.
stealer vidar

Vidar Stealer 2 IoCs

stealer

Processes:

resource	yara_rule
behavioral2/memory/2752-132-0x0000000002140000-0x0000000002219000-memory.dmp	family_vidar
behavioral2/memory/2752-133-0x0000000000400000-0x00000000004DD000-memory.dmp	family_vidar

Drops file in Windows directory 3 IoCs

Processes:

svchost.exeTiWorker.exe

description	ioc	process
File opened for modification	C:\Windows\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat	svchost.exe
File opened for modification	C:\Windows\Logs\CBS\CBS.log	TiWorker.exe
File opened for modification	C:\Windows\WinSxS\pending.xml	TiWorker.exe

Modifies data under HKEY_USERS 49 IoCs

Processes:

svchost.exe

description	ioc	process
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LANConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadRatePct = "100"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "12.504141"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLinkLocalBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "2"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4072"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PeerInfoCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkUsageBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.818167"	svchost.exe
Set value (str)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.126582"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4284"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\LinkLocalConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "1"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\InternetConnectionCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "0"	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Settings	svchost.exe
Key created	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyInternetBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownlinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadPendingCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1"	svchost.exe
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"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyLanBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCdnBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyGroupBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\KVFileExpirationTime = "132892901630941046"	svchost.exe
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"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CacheSizeBytes = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UplinkBps = "0"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\FrDownloadRatePct = "90"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45"	svchost.exe
Set value (int)	\REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\SwarmCount = "0"	svchost.exe

Suspicious use of AdjustPrivilegeToken 64 IoCs

Processes:

TiWorker.exe

description	pid	process
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe
Token: SeRestorePrivilege	3808	TiWorker.exe
Token: SeSecurityPrivilege	3808	TiWorker.exe
Token: SeBackupPrivilege	3808	TiWorker.exe

C:\Users\Admin\AppData\Local\Temp\632410964cb2c718c8ae7b6c25848b8c7b902e9a9a766a32a9348e60f83fded5.exe
"C:\Users\Admin\AppData\Local\Temp\632410964cb2c718c8ae7b6c25848b8c7b902e9a9a766a32a9348e60f83fded5.exe"
1⤵
PID:2752

C:\Windows\System32\svchost.exe
C:\Windows\System32\svchost.exe -k NetworkService -p
1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
PID:3276

C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe
C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding
1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
PID:3808

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

memory/2752-130-0x00000000006B9000-0x0000000000736000-memory.dmp

Filesize
500KB

Download
memory/2752-131-0x00000000006B9000-0x0000000000736000-memory.dmp

Filesize
500KB

Download
memory/2752-132-0x0000000002140000-0x0000000002219000-memory.dmp

Filesize
868KB

Download
memory/2752-133-0x0000000000400000-0x00000000004DD000-memory.dmp

Filesize
884KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads