Analysis
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max time kernel
154s -
max time network
163s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220112 -
submitted
15-02-2022 06:08
Static task
static1
Behavioral task
behavioral1
Sample
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe
Resource
win10v2004-en-20220112
General
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Target
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe
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Size
2.4MB
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MD5
8a07d238fff6bf229b75505fbd8fa4b1
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SHA1
a6041f6807969f1fa811f6782adb9297b87db39d
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SHA256
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2
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SHA512
f1fa7b9a294d02b77825dc0621ca7233fa0b1f8b3a76f7d24136bdb6ade615b2b20bda261c76b3a196faa12066c77b40f8a5814f3fa93eb2beee981f7007ab71
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/1248-134-0x0000000000CB0000-0x0000000001382000-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:
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe -
Processes:
resource yara_rule behavioral2/memory/1248-134-0x0000000000CB0000-0x0000000001382000-memory.dmp themida -
Processes:
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exepid process 1248 ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.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 54 IoCs
Processes:
svchost.exedescription ioc process Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CDNConnectionCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "4.166327" 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\DownloadMonthlyInternetBytes = "0" 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\UploadMonthlyLanBytes = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\NormalDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.421592" 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\MonthlyUploadRestriction = "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\Config\KVFileExpirationTime = "132895554359019534" 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 = "1157726" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4320" 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\DownloadMonthlyCacheHostBytes = "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\MonthID = "2" 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\SwarmCount = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\PriorityDownloadCount = "0" svchost.exe Set value (str) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\CPUpct = "5.000989" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4200" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MonthID = "1" 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\UploadRatePct = "100" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\MemoryUsageKB = "4132" 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\DownloadMonthlyRateBkBps = "0" 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\DownloadMonthlyRateFrBps = "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\LinkLocalConnectionCount = "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 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\DownloadMonthlyCdnBytes = "90228624" 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\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\SwarmCount = "0" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "4" 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\PeerInfoCount = "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\BkDownloadRatePct = "45" 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\UploadMonthlyInternetBytes = "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\Config\DODownloadMode = "1" svchost.exe Set value (int) \REGISTRY\USER\S-1-5-20\SOFTWARE\Microsoft\Windows\CurrentVersion\DeliveryOptimization\Usage\DownloadMonthlyRateBkCnt = "0" svchost.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exepid process 1248 ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe 1248 ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
TiWorker.exedescription pid process Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe Token: SeRestorePrivilege 2324 TiWorker.exe Token: SeSecurityPrivilege 2324 TiWorker.exe Token: SeBackupPrivilege 2324 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.exe"C:\Users\Admin\AppData\Local\Temp\ca3da0c1036027d528fa90b35bd0cb9d486591c6ab946d8aefdaf075f78a09d2.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 131⤵
- 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/1248-131-0x00000000775B4000-0x00000000775B6000-memory.dmpFilesize
8KB
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memory/1248-130-0x0000000076B90000-0x0000000076B91000-memory.dmpFilesize
4KB
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memory/1248-133-0x0000000074AAE000-0x0000000074AAF000-memory.dmpFilesize
4KB
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memory/1248-134-0x0000000000CB0000-0x0000000001382000-memory.dmpFilesize
6.8MB
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memory/1248-135-0x00000000065B0000-0x0000000006BC8000-memory.dmpFilesize
6.1MB
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memory/1248-136-0x0000000005F20000-0x0000000005F32000-memory.dmpFilesize
72KB
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memory/1248-137-0x00000000062E0000-0x00000000063EA000-memory.dmpFilesize
1.0MB
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memory/1248-138-0x0000000005F80000-0x0000000005F81000-memory.dmpFilesize
4KB
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memory/1248-139-0x0000000001700000-0x000000000173C000-memory.dmpFilesize
240KB