Analysis
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max time kernel
30s -
max time network
17s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-12-2024 15:30
Behavioral task
behavioral1
Sample
Client_protected.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
Client_protected.exe
Resource
win10v2004-20241007-en
Behavioral task
behavioral3
Sample
Client_protected.exe
Resource
win10ltsc2021-20241211-en
General
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Target
Client_protected.exe
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Size
6.5MB
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MD5
19574d1c471ceaa99d0d05321e7beba4
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SHA1
9c192eee06421e8a557b0afe0355545bae5366e6
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SHA256
df606ef08b80c10d12a7372505f51e2641b263ded0280edcaf9085e7419b5f3e
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SHA512
b73a16cd6f529cb8688b96f7039cfbca49c191b32b2240b56681125a4f8f63ceb625ae0077d1a845319f1a035524f314c95c3ef259cc7d284d7b557460db3244
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SSDEEP
98304:ytpOyr9VNf1P2tLnkJfA5Wmon5miZlE5aJ4aoAqq1k4MjNU+3:Z+jZ+5NgFbMy4
Malware Config
Extracted
asyncrat
Venom RAT + HVNC + Stealer + Grabber v6.0.3
Default
85.198.108.36:7667
egghlcckqridunl
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delay
6
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install
false
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install_folder
%Temp%
Signatures
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Asyncrat family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ Client_protected.exe -
Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion Client_protected.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion Client_protected.exe -
resource yara_rule behavioral2/memory/220-10-0x0000000000860000-0x0000000000EEE000-memory.dmp themida behavioral2/memory/220-11-0x0000000000860000-0x0000000000EEE000-memory.dmp themida behavioral2/memory/220-23-0x0000000000860000-0x0000000000EEE000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA Client_protected.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 220 Client_protected.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1220 220 WerFault.exe 82 -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Client_protected.exe -
Suspicious use of AdjustPrivilegeToken 43 IoCs
description pid Process Token: SeDebugPrivilege 220 Client_protected.exe Token: SeIncreaseQuotaPrivilege 220 Client_protected.exe Token: SeSecurityPrivilege 220 Client_protected.exe Token: SeTakeOwnershipPrivilege 220 Client_protected.exe Token: SeLoadDriverPrivilege 220 Client_protected.exe Token: SeSystemProfilePrivilege 220 Client_protected.exe Token: SeSystemtimePrivilege 220 Client_protected.exe Token: SeProfSingleProcessPrivilege 220 Client_protected.exe Token: SeIncBasePriorityPrivilege 220 Client_protected.exe Token: SeCreatePagefilePrivilege 220 Client_protected.exe Token: SeBackupPrivilege 220 Client_protected.exe Token: SeRestorePrivilege 220 Client_protected.exe Token: SeShutdownPrivilege 220 Client_protected.exe Token: SeDebugPrivilege 220 Client_protected.exe Token: SeSystemEnvironmentPrivilege 220 Client_protected.exe Token: SeRemoteShutdownPrivilege 220 Client_protected.exe Token: SeUndockPrivilege 220 Client_protected.exe Token: SeManageVolumePrivilege 220 Client_protected.exe Token: 33 220 Client_protected.exe Token: 34 220 Client_protected.exe Token: 35 220 Client_protected.exe Token: 36 220 Client_protected.exe Token: SeIncreaseQuotaPrivilege 220 Client_protected.exe Token: SeSecurityPrivilege 220 Client_protected.exe Token: SeTakeOwnershipPrivilege 220 Client_protected.exe Token: SeLoadDriverPrivilege 220 Client_protected.exe Token: SeSystemProfilePrivilege 220 Client_protected.exe Token: SeSystemtimePrivilege 220 Client_protected.exe Token: SeProfSingleProcessPrivilege 220 Client_protected.exe Token: SeIncBasePriorityPrivilege 220 Client_protected.exe Token: SeCreatePagefilePrivilege 220 Client_protected.exe Token: SeBackupPrivilege 220 Client_protected.exe Token: SeRestorePrivilege 220 Client_protected.exe Token: SeShutdownPrivilege 220 Client_protected.exe Token: SeDebugPrivilege 220 Client_protected.exe Token: SeSystemEnvironmentPrivilege 220 Client_protected.exe Token: SeRemoteShutdownPrivilege 220 Client_protected.exe Token: SeUndockPrivilege 220 Client_protected.exe Token: SeManageVolumePrivilege 220 Client_protected.exe Token: 33 220 Client_protected.exe Token: 34 220 Client_protected.exe Token: 35 220 Client_protected.exe Token: 36 220 Client_protected.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Client_protected.exe"C:\Users\Admin\AppData\Local\Temp\Client_protected.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:220 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 220 -s 13522⤵
- Program crash
PID:1220
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 476 -p 220 -ip 2201⤵PID:5092