Analysis
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max time kernel
146s -
max time network
157s -
platform
windows10-2004_x64 -
resource
win10v2004-en-20220113 -
submitted
15-02-2022 11:42
Static task
static1
Behavioral task
behavioral1
Sample
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe
Resource
win10v2004-en-20220113
General
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Target
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe
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Size
3.3MB
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MD5
e76547e3e5f1ef9224631f883bf86a01
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SHA1
1429f3f4e095c61e96b142cdf142dec69ea37754
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SHA256
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c
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SHA512
2a9e9f9ff6dab49884416f999ddecdfbb440be83c4e7c2bb79730b63bc97416258f43426899fa314221866eaacf28ead09eff3cc06955ab04fd55466af9e4536
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/2708-136-0x0000000000230000-0x0000000000B1A000-memory.dmp family_redline -
.NET Reactor proctector 1 IoCs
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
Processes:
resource yara_rule behavioral2/memory/2708-136-0x0000000000230000-0x0000000000B1A000-memory.dmp net_reactor -
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:
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exedescription ioc process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion 85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe -
Processes:
resource yara_rule behavioral2/memory/2708-136-0x0000000000230000-0x0000000000B1A000-memory.dmp themida -
Processes:
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exedescription ioc process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA 85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
Processes:
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exepid process 2708 85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe -
Drops file in Windows directory 8 IoCs
Processes:
svchost.exeTiWorker.exedescription ioc process File opened for modification C:\Windows\SoftwareDistribution\DataStore\DataStore.edb svchost.exe 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 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes:
85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exepid process 2708 85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe 2708 85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe -
Suspicious use of AdjustPrivilegeToken 64 IoCs
Processes:
svchost.exeTiWorker.exedescription pid process Token: SeShutdownPrivilege 1284 svchost.exe Token: SeCreatePagefilePrivilege 1284 svchost.exe Token: SeShutdownPrivilege 1284 svchost.exe Token: SeCreatePagefilePrivilege 1284 svchost.exe Token: SeShutdownPrivilege 1284 svchost.exe Token: SeCreatePagefilePrivilege 1284 svchost.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe Token: SeRestorePrivilege 3432 TiWorker.exe Token: SeSecurityPrivilege 3432 TiWorker.exe Token: SeBackupPrivilege 3432 TiWorker.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.exe"C:\Users\Admin\AppData\Local\Temp\85f2c35da19cf828bb26a96e13780cdacfc24d08386f9a8fb0d29dd1decf542c.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\svchost.exeC:\Windows\system32\svchost.exe -k netsvcs -p -s wuauserv1⤵
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
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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
Loading Replay Monitor...
Downloads
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memory/1284-142-0x000001F8E9B20000-0x000001F8E9B30000-memory.dmpFilesize
64KB
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memory/1284-143-0x000001F8E9B80000-0x000001F8E9B90000-memory.dmpFilesize
64KB
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memory/1284-144-0x000001F8EC240000-0x000001F8EC244000-memory.dmpFilesize
16KB
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memory/2708-130-0x0000000075F60000-0x0000000075F61000-memory.dmpFilesize
4KB
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memory/2708-131-0x0000000077C54000-0x0000000077C56000-memory.dmpFilesize
8KB
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memory/2708-135-0x00000000751EE000-0x00000000751EF000-memory.dmpFilesize
4KB
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memory/2708-136-0x0000000000230000-0x0000000000B1A000-memory.dmpFilesize
8.9MB
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memory/2708-137-0x0000000006030000-0x0000000006648000-memory.dmpFilesize
6.1MB
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memory/2708-138-0x00000000058C0000-0x00000000058D2000-memory.dmpFilesize
72KB
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memory/2708-139-0x0000000005A10000-0x0000000005B1A000-memory.dmpFilesize
1.0MB
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memory/2708-140-0x0000000005920000-0x000000000595C000-memory.dmpFilesize
240KB
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memory/2708-141-0x0000000005A00000-0x0000000005A01000-memory.dmpFilesize
4KB