Analysis
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max time kernel
94s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
03-08-2024 01:58
Static task
static1
Behavioral task
behavioral1
Sample
3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe
Resource
win7-20240704-en
Behavioral task
behavioral2
Sample
3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe
Resource
win10v2004-20240802-en
General
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Target
3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe
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Size
8.4MB
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MD5
966301a75152b02042112073a4702302
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SHA1
19b3c20c1dea7e16025f6bf4eaa31a3750e86110
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SHA256
3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab
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SHA512
2bf39d413f6620053be1d1664fe81a18d34006929e64b12e5a6c109c8d3672ec075891982290e450e1a90b982ff5b305dfa04fac30f43a70550ae57b3bea527d
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SSDEEP
98304:ERdoZZt1X3Hu3V9ke3jP8tDywZa1GTYNy9qDC2E8npPF4yRoo/RG1hhNFYH4Ao:ERdonX+lb8tDyhDw9Slnzoo/RG1XYG
Malware Config
Signatures
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Banload
Banload variants download malicious files, then install and execute the files.
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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__ 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.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 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe -
Event Triggered Execution: Component Object Model Hijacking 1 TTPs
Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.
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Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3} 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\ = "Broadcast Event Service" 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32\ = "C:\\Windows\\System32\\msvidctl.dll" 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\CLSID\{6EEAF7AB-9B86-0A4B-E9E8-6422E70DF8B3}\InprocServer32\ThreadingModel = "Both" 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 4424 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe Token: SeIncBasePriorityPrivilege 4424 3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe"C:\Users\Admin\AppData\Local\Temp\3a83b1c22e6cdc567b83f5000c9fdf84d7feb920eeb690ff38a294479c0933ab.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:4424