Analysis
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max time kernel
156s -
max time network
166s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
15-02-2022 14:12
Static task
static1
Behavioral task
behavioral1
Sample
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe
Resource
win10v2004-en-20220112
General
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Target
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe
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Size
2.7MB
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MD5
8fc5b1d23387ca0b0e1ddda4cb417708
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SHA1
5790d8fddd8bb23cb48702ec8ccefb8c8f8a9731
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SHA256
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530
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SHA512
63421f40eeff59749e1d5e6aaf043cd1917fcd5ab6f261396a2d3b90e37825cf756b556986c825a18615202d1fa5a8c9e38e7d89ad97170dbdf4cd877c5a502a
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload 1 IoCs
Processes:
resource yara_rule behavioral2/memory/864-135-0x0000000000DB0000-0x00000000014E2000-memory.dmp family_redline -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
Processes:
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe -
Processes:
resource yara_rule behavioral2/memory/864-135-0x0000000000DB0000-0x00000000014E2000-memory.dmp themida -
Processes:
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exepid process 864 3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe -
Drops file in Windows directory 3 IoCs
Processes:
TiWorker.exesvchost.exedescription ioc process 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\ServiceProfiles\NetworkService\AppData\Local\Microsoft\Windows\DeliveryOptimization\State\keyValueLKG.dat svchost.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
Processes:
MusNotifyIcon.exedescription ioc process Key opened \Registry\Machine\HARDWARE\DESCRIPTION\System\CentralProcessor\0 MusNotifyIcon.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\~MHz MusNotifyIcon.exe -
Modifies data under HKEY_USERS 52 IoCs
Processes:
svchost.exedescription ioc process 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\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\DownlinkUsageBps = "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 = "0.000000" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "3980" 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 Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DODownloadMode = "1" 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\UploadMonthlyLanBytes = "0" 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\DownloadMonthlyRateBkCnt = "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\UplinkBps = "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\MemoryUsageKB = "4316" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthlyUploadRestriction = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4204" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4332" 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\Config\KVFileExpirationTime = "132895844144951108" 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\GroupConnectionCount = "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\UploadCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadPendingCount = "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\Usage\SwarmCount = "0" 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\DownloadMonthlyCacheHostBytes = "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\Usage\PeerInfoCount = "0" 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\FrDownloadRatePct = "90" 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\DownlinkBps = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.013826" 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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\BkDownloadRatePct = "45" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.452485" 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\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\DownloadMonthlyRateBkBps = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateFrCnt = "0" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "1.731617" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exepid process 864 3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe 864 3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe Token: SeRestorePrivilege 1596 TiWorker.exe Token: SeSecurityPrivilege 1596 TiWorker.exe Token: SeBackupPrivilege 1596 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe"C:\Users\Admin\AppData\Local\Temp\3abd85f186f854c737e2c607bad74ce346dd3db3035d6affbff8099f570a9530.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 01⤵
- Checks processor information in registry
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C:\Windows\System32\svchost.exeC:\Windows\System32\svchost.exe -k NetworkService -p1⤵
- Drops file in Windows directory
- Modifies data under HKEY_USERS
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C:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exeC:\Windows\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.1220_none_7e21bc567c7ed16b\TiWorker.exe -Embedding1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Matrix ATT&CK v6
Replay Monitor
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Downloads
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memory/864-130-0x00000000779A0000-0x00000000779A1000-memory.dmpFilesize
4KB
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memory/864-133-0x0000000077E74000-0x0000000077E76000-memory.dmpFilesize
8KB
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memory/864-134-0x000000007536E000-0x000000007536F000-memory.dmpFilesize
4KB
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memory/864-135-0x0000000000DB0000-0x00000000014E2000-memory.dmpFilesize
7.2MB
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memory/864-136-0x0000000005E60000-0x0000000006478000-memory.dmpFilesize
6.1MB
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memory/864-137-0x0000000000830000-0x0000000000842000-memory.dmpFilesize
72KB
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memory/864-138-0x0000000005840000-0x000000000594A000-memory.dmpFilesize
1.0MB
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memory/864-139-0x0000000005630000-0x0000000005631000-memory.dmpFilesize
4KB
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memory/864-140-0x0000000000890000-0x00000000008CC000-memory.dmpFilesize
240KB