Analysis
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max time kernel
132s -
max time network
167s -
platform
windows10-2004_x64 -
resource
win10v2004-20231215-en -
resource tags
arch:x64arch:x86image:win10v2004-20231215-enlocale:en-usos:windows10-2004-x64system -
submitted
13-02-2024 06:06
Static task
static1
Behavioral task
behavioral1
Sample
2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe
Resource
win10v2004-20231215-en
General
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Target
2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe
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Size
2.1MB
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MD5
75d85196bcd2dcd5b9c720639fa5ec0b
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SHA1
e5ff15ffd97b2be244dc677649ff8d0e4bd510ca
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SHA256
5ce05e579a9b572526c157814ea7d975888b445ba08e3dc2687bc8b35f7f84bb
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SHA512
4caf9d4950fe0cce53880615aa6c4195e56db89bad1b2457a0ad7f08ecd08f84f8e4a4f97e18f2fb9cd281f2462080656cfff91d380385fc481bf4f3106997ee
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SSDEEP
49152:bWxM9NpGFN4sTMrHMKxnsJA9c7KCqL9Xb6YL0AzteMz:bWWfpqEQKG+NYYL020Mz
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__ 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.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\SystemBiosDate 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8C60EF9F-E190-C5E7-CBDF-08F13EAA6576}\ = "HandWritingSkinProps Class" 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8C60EF9F-E190-C5E7-CBDF-08F13EAA6576}\InprocServer32 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8C60EF9F-E190-C5E7-CBDF-08F13EAA6576}\InprocServer32\ = "%CommonProgramFiles%\\microsoft shared\\ink\\tipskins.dll" 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8C60EF9F-E190-C5E7-CBDF-08F13EAA6576}\InprocServer32\ThreadingModel = "Apartment" 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{8C60EF9F-E190-C5E7-CBDF-08F13EAA6576} 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2872 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe Token: SeIncBasePriorityPrivilege 2872 2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-02-13_75d85196bcd2dcd5b9c720639fa5ec0b_mafia.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2872