General
Target
Filesize
Completed
Task
55c13fa59c8517e58164f51bb3b5cab7a28c88f82ba578df2f73795c9329b7a5.exe
721KB
15-02-2022 13:20
behavioral2
Score
10/10
MD5
SHA1
SHA256
SHA256
09f01e9e875c7a1d76bb0817a07f0cac
08760e083a332d50badc6bfc62a49deb5809e83d
55c13fa59c8517e58164f51bb3b5cab7a28c88f82ba578df2f73795c9329b7a5
4f53696dee4ded4ab71d7e3d4362b13b8508d4a79b2690782edfbd96b59053c2ead2b677bf9214b2ef489a1a3b96abbc9ec11fd447fd6d610b1cc71c5e6fee7f
Malware Config
Extracted
| Family | vidar |
| Version | 48.7 |
| Botnet | 937 |
| C2 |
https://mstdn.social/@anapa https://mastodon.social/@mniami |
| Attributes |
profile_id 937 |
Signatures 4
Filter: none
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Vidar
Description
Vidar is an infostealer based on Arkei stealer.
Tags
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Vidar Stealer
Tags
Reported IOCs
resource yara_rule behavioral2/memory/2704-132-0x0000000004830000-0x0000000004905000-memory.dmp family_vidar behavioral2/memory/2704-133-0x0000000000400000-0x00000000004D8000-memory.dmp family_vidar -
Drops file in Windows directorysvchost.exeTiWorker.exe
Reported IOCs
description ioc process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.jfm svchost.exe File opened for modification C:\Windows\SoftwareDistribution\ReportingEvents.log 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 File opened for modification C:\Windows\WindowsUpdate.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.chk svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\Logs\edb.log svchost.exe File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe -
Suspicious use of AdjustPrivilegeTokensvchost.exeTiWorker.exe
Reported IOCs
description pid process Token: SeShutdownPrivilege 2784 svchost.exe Token: SeCreatePagefilePrivilege 2784 svchost.exe Token: SeShutdownPrivilege 2784 svchost.exe Token: SeCreatePagefilePrivilege 2784 svchost.exe Token: SeShutdownPrivilege 2784 svchost.exe Token: SeCreatePagefilePrivilege 2784 svchost.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe Token: SeRestorePrivilege 5040 TiWorker.exe Token: SeSecurityPrivilege 5040 TiWorker.exe Token: SeBackupPrivilege 5040 TiWorker.exe
Processes 3
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C:\Users\Admin\AppData\Local\Temp\55c13fa59c8517e58164f51bb3b5cab7a28c88f82ba578df2f73795c9329b7a5.exePID:2704"C:\Users\Admin\AppData\Local\Temp\55c13fa59c8517e58164f51bb3b5cab7a28c88f82ba578df2f73795c9329b7a5.exe"
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C:\Windows\system32\svchost.exePID:2784C:\Windows\system32\svchost.exe -k netsvcs -p -s wuauservDrops file in Windows directorySuspicious use of AdjustPrivilegeToken
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exePID:5040C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -EmbeddingDrops file in Windows directorySuspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix
Collection
Command and Control
Credential Access
Defense Evasion
Discovery
Execution
Exfiltration
Impact
Initial Access
Lateral Movement
Persistence
Privilege Escalation
Replay Monitor
00:00
00:00
Downloads
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memory/2704-130-0x0000000002DAD000-0x0000000002E29000-memory.dmp
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memory/2704-131-0x0000000002DAD000-0x0000000002E29000-memory.dmp
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memory/2704-132-0x0000000004830000-0x0000000004905000-memory.dmp
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memory/2704-133-0x0000000000400000-0x00000000004D8000-memory.dmp
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memory/2784-134-0x000001FF12F90000-0x000001FF12FA0000-memory.dmp
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memory/2784-135-0x000001FF13620000-0x000001FF13630000-memory.dmp
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memory/2784-136-0x000001FF15D10000-0x000001FF15D14000-memory.dmp
Title
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