Analysis
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max time kernel
149s -
max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-en -
resource tags
arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system -
submitted
05-03-2024 13:43
Behavioral task
behavioral1
Sample
b4d6a4a4f8a3a02395fa55b5a4d7d840.exe
Resource
win7-20240221-en
windows7-x64
10 signatures
150 seconds
General
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Target
b4d6a4a4f8a3a02395fa55b5a4d7d840.exe
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Size
4.3MB
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MD5
b4d6a4a4f8a3a02395fa55b5a4d7d840
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SHA1
bc377f66c3064e18de1360b28a26da64c843b653
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SHA256
6c9332da29df57478e1b793298a1d7999c387fbf41f2bb272f7e1b5323f4fbe3
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SHA512
e8fbc50a9974007601501b7e7fb00e2403a27b6e50b2428ffe1c41e66f4c1323cf127f3ff9f4b30d55817596cabd3bea3421246f3fbbe586fd2063fef1dcda1b
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SSDEEP
98304:uImv7DvgPSiF2jR49NERe12nwcEWTheFs/T3H:uIePg1kF4URbnwcEW9is/T
Malware Config
Signatures
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Detect ZGRat V1 1 IoCs
resource yara_rule behavioral2/memory/412-12-0x0000000000700000-0x0000000000B74000-memory.dmp family_zgrat_v1 -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ b4d6a4a4f8a3a02395fa55b5a4d7d840.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 b4d6a4a4f8a3a02395fa55b5a4d7d840.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion b4d6a4a4f8a3a02395fa55b5a4d7d840.exe -
resource yara_rule behavioral2/memory/412-12-0x0000000000700000-0x0000000000B74000-memory.dmp themida -
description ioc Process Key value queried \REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA b4d6a4a4f8a3a02395fa55b5a4d7d840.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 412 b4d6a4a4f8a3a02395fa55b5a4d7d840.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 412 b4d6a4a4f8a3a02395fa55b5a4d7d840.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b4d6a4a4f8a3a02395fa55b5a4d7d840.exe"C:\Users\Admin\AppData\Local\Temp\b4d6a4a4f8a3a02395fa55b5a4d7d840.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
- Suspicious use of AdjustPrivilegeToken
PID:412