Analysis
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max time kernel
432s -
max time network
602s -
platform
windows11-21h2_x64 -
resource
win11-20240709-en -
resource tags
arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system -
submitted
22/07/2024, 21:08
Behavioral task
behavioral1
Sample
Venom-Crypter-main/Core/dnlib.dll
Resource
win11-20240709-en
Behavioral task
behavioral2
Sample
Venom-Crypter-main/Core/dotnetreactor.exe
Resource
win11-20240709-en
Behavioral task
behavioral3
Sample
Venom-Crypter-main/Core/venom_crypter.exe
Resource
win11-20240709-en
Behavioral task
behavioral4
Sample
Venom-Crypter-main/Guna.UI2.dll
Resource
win11-20240709-en
Behavioral task
behavioral5
Sample
Venom-Crypter-main/SimpleObfuscator.dll
Resource
win11-20240709-en
General
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Target
Venom-Crypter-main/VenomCrypter.exe
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Size
995KB
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MD5
b8f9138bd9a2c93a1b7ada47586c8202
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SHA1
998850da4b2c4f5152d637222613b114338e6ba4
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SHA256
54fc1ddf8dd8880f29ec3335d602de20f0b9ecafb9cd3dc9dc090ab6a1540535
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SHA512
54b99cb1a821dab4a2c79560a13f637db1cae5658d2293e28c7449930052bcc35d4e92ad30a6d720224fcccf78c70aaace5c502bb8ba39e3fc7f607c2197a590
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SSDEEP
24576:A6QogdyF69wA1s33ryeg5b0O9Xld7T7lY7NSe3TwHur8pOfVnnbeC13Uv8r:A5zdyF69mrU5nJ7lY7EaUHvYz
Malware Config
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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AgentTesla payload 1 IoCs
resource yara_rule behavioral6/memory/248-8-0x000000000C0B0000-0x000000000C2C4000-memory.dmp family_agenttesla -
Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Oracle\VirtualBox Guest Additions VenomCrypter.exe -
Looks for VMWare Tools registry key 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\VMware, Inc.\VMware Tools VenomCrypter.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 VenomCrypter.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion VenomCrypter.exe -
Maps connected drives based on registry 3 TTPs 2 IoCs
Disk information is often read in order to detect sandboxing environments.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\disk\Enum\0 VenomCrypter.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Disk\Enum VenomCrypter.exe -
Enumerates system info in registry 2 TTPs 3 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS VenomCrypter.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemManufacturer VenomCrypter.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\BIOS\SystemVersion VenomCrypter.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 248 VenomCrypter.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\Venom-Crypter-main\VenomCrypter.exe"C:\Users\Admin\AppData\Local\Temp\Venom-Crypter-main\VenomCrypter.exe"1⤵
- Looks for VirtualBox Guest Additions in registry
- Looks for VMWare Tools registry key
- Checks BIOS information in registry
- Maps connected drives based on registry
- Enumerates system info in registry
- Suspicious use of AdjustPrivilegeToken
PID:248