Analysis
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max time kernel
162s -
max time network
168s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
15-02-2022 06:48
Static task
static1
Behavioral task
behavioral1
Sample
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe
Resource
win10v2004-en-20220112
General
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Target
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe
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Size
2.8MB
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MD5
934a2ff0a3b70b560122a52f67eb50bf
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SHA1
15747565aea9329806fe74ffe1b9f70685edea9b
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SHA256
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74
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SHA512
0abb3bcfe8962d7bec40fe507908909ffe57e6b49bf0e6a098cc4574ba2b979f8894c8016ef276ce250aaf723f1c4a910e44fe9b4868af66b3cadd2a989b3428
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/2600-135-0x0000000000990000-0x00000000010D2000-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:
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe -
Processes:
resource yara_rule behavioral2/memory/2600-135-0x0000000000990000-0x00000000010D2000-memory.dmp themida -
Processes:
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exepid process 2600 b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe -
Drops file in Windows directory 3 IoCs
Processes:
svchost.exeTiWorker.exedescription 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 -
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 50 IoCs
Processes:
svchost.exedescription ioc process 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\BkDownloadRatePct = "45" 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 = "1.951220" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config\DownloadMode_BackCompat = "1" 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\UploadMonthlyInternetBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyCacheHostBytes = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "0.200803" 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\PriorityDownloadCount = "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\NormalDownloadPendingCount = "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\DownloadMonthlyCdnBytes = "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\LANConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4364" svchost.exe Key created \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Config 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\SwarmCount = "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\CDNConnectionCount = "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 = "0.000000" 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\LinkLocalConnectionCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\GroupConnectionCount = "0" 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\DownloadMonthlyLinkLocalBytes = "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\MonthID = "2" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4356" 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\Usage\DownloadMonthlyInternetBytes = "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\PriorityDownloadPendingCount = "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\UplinkBps = "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\FrDownloadRatePct = "90" 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\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 = "132895577778085167" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\UploadCount = "0" 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\DownlinkUsageBps = "0" 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 = "4132" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exepid process 2600 b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe 2600 b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe Token: SeRestorePrivilege 2680 TiWorker.exe Token: SeSecurityPrivilege 2680 TiWorker.exe Token: SeBackupPrivilege 2680 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe"C:\Users\Admin\AppData\Local\Temp\b704a93a48716895f924221cc63e3bec2f9681b92cfe4b9176f1cf98ce77ce74.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
PID:2600
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C:\Windows\system32\MusNotifyIcon.exe%systemroot%\system32\MusNotifyIcon.exe NotifyTrayIcon 131⤵
- Checks processor information in registry
PID:1232
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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
PID:2156
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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
PID:2680
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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memory/2600-130-0x00000000779A0000-0x00000000779A1000-memory.dmpFilesize
4KB
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memory/2600-131-0x0000000077E74000-0x0000000077E76000-memory.dmpFilesize
8KB
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memory/2600-134-0x000000007540E000-0x000000007540F000-memory.dmpFilesize
4KB
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memory/2600-135-0x0000000000990000-0x00000000010D2000-memory.dmpFilesize
7.3MB
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memory/2600-136-0x0000000005F20000-0x0000000006538000-memory.dmpFilesize
6.1MB
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memory/2600-137-0x00000000013D0000-0x00000000013E2000-memory.dmpFilesize
72KB
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memory/2600-138-0x0000000005A10000-0x0000000005B1A000-memory.dmpFilesize
1.0MB
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memory/2600-139-0x00000000058F0000-0x00000000058F1000-memory.dmpFilesize
4KB
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memory/2600-140-0x0000000005940000-0x000000000597C000-memory.dmpFilesize
240KB