Analysis
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max time kernel
149s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240508-en -
resource tags
arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system -
submitted
18-05-2024 09:47
Behavioral task
behavioral1
Sample
2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe
Resource
win7-20240508-en
8 signatures
150 seconds
General
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Target
2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe
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Size
6.9MB
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MD5
bb59788bf9cbf41c274dc7727bf3ab71
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SHA1
1e59e75b8088d4ea3be582d4467e09fa4a809fd1
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SHA256
2973484f217dff3fa75a6e9f7b125fd2233cfad0fecdc479118a818d5339de5e
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SHA512
a72692fe61b15850467f952fb2e0742fb51325e758776ad7d2005ead907b726c48c3e1f7c4a6d98ee0d7254c6cd56af3db250b83a357d7bb5ca687c122ad82b3
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SSDEEP
98304:F+e/bDDHKCdmeLAuzduCzr1uHX7nJbVuHMGTSYNlEqa3KXWhOQzNYDtcyDBf:F+OrHNmkztuLnJAH7SoUKXWbcGGx
Malware Config
Signatures
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Banload
Banload variants download malicious files, then install and execute the files.
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Detects executables containing URLs to raw contents of a Github gist 1 IoCs
resource yara_rule behavioral2/memory/5036-20-0x0000000000400000-0x000000000206C000-memory.dmp INDICATOR_SUSPICIOUS_EXE_RawGitHub_URL -
Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\ACPI\DSDT\VBOX__ 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe -
UPX dump on OEP (original entry point) 4 IoCs
resource yara_rule behavioral2/memory/5036-12-0x0000000000400000-0x000000000206C000-memory.dmp UPX behavioral2/memory/5036-13-0x0000000000400000-0x000000000206C000-memory.dmp UPX behavioral2/memory/5036-11-0x0000000000400000-0x000000000206C000-memory.dmp UPX behavioral2/memory/5036-20-0x0000000000400000-0x000000000206C000-memory.dmp UPX -
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 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe -
resource yara_rule behavioral2/memory/5036-8-0x0000000000400000-0x000000000206C000-memory.dmp upx behavioral2/memory/5036-12-0x0000000000400000-0x000000000206C000-memory.dmp upx behavioral2/memory/5036-13-0x0000000000400000-0x000000000206C000-memory.dmp upx behavioral2/memory/5036-11-0x0000000000400000-0x000000000206C000-memory.dmp upx behavioral2/memory/5036-20-0x0000000000400000-0x000000000206C000-memory.dmp upx -
Modifies registry class 5 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048} 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\ = "CLSID_ExtensionListContextMenu" 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\InProcServer32 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\InProcServer32\ = "C:\\Windows\\SysWOW64\\TwinUI.dll" 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\WOW6432Node\CLSID\{7C231048-7C23-1048-7C23-10487C231048}\InProcServer32\ThreadingModel = "Apartment" 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 5036 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe Token: SeIncBasePriorityPrivilege 5036 2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_mafia.exe"C:\Users\Admin\AppData\Local\Temp\2024-05-18_bb59788bf9cbf41c274dc7727bf3ab71_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:5036