Analysis
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max time kernel
30s -
max time network
31s -
platform
windows10-ltsc 2021_x64 -
resource
win10ltsc2021-20241211-en -
resource tags
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submitted
28-12-2024 15:30
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
AsyncRAT is designed to remotely monitor and control other computers written in C#.
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Asyncrat family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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Themida packer 3 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Program crash 1 IoCs
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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.
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Suspicious use of AdjustPrivilegeToken 43 IoCs
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
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4776 -s 12362⤵
- Program crash
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 472 -p 4776 -ip 47761⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
6.6MB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
960KB
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Filesize
4KB
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Filesize
960KB
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Filesize
6.6MB
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Filesize
6.6MB
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Filesize
5.6MB
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Filesize
6.6MB
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Filesize
4KB
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Filesize
960KB
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Filesize
960KB
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Filesize
408KB
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Filesize
6.6MB
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Filesize
960KB