Analysis
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max time kernel
60s -
max time network
16s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
02-01-2025 19:01
Static task
static1
Behavioral task
behavioral1
Sample
b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe
Resource
win10v2004-20241007-en
General
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Target
b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe
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Size
15.7MB
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MD5
21d88dc3265c802a0c214a5946bdd88a
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SHA1
3a304f2e5c5d86092d92a438d2ad2179a6dee349
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SHA256
b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06
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SHA512
56a0dedf2620c1c9f093f33de3db828c08f1caf5ec373ce4cf48af0a6e5dde5f76e1093c767a983e2c5ea0322979953b465fba1f6aeb6be1559f1c0e1d2761a3
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SSDEEP
98304:RF8QUitE4iLqaPWGnEvK7RkOEEo+A7mOk3oaCVA7m2St29Ejzh9oEuF8QUitE4i1:RFQWEPnPBnEXPEtFQWEPnPBnEXPE8Q
Malware Config
Signatures
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Banload
Banload variants download malicious files, then install and execute the files.
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Banload family
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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__ b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe -
Renames multiple (51) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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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 b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosDate b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe -
System Location Discovery: System Language Discovery 1 TTPs 1 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe -
Modifies registry class 5 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5ADD62E2-4A23-86F4-8704-0C62BF6886E2}\InProcServer32\ = "C:\\Windows\\SysWOW64\\oleacc.dll" b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5ADD62E2-4A23-86F4-8704-0C62BF6886E2}\InProcServer32\ThreadingModel = "Both" b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5ADD62E2-4A23-86F4-8704-0C62BF6886E2} b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5ADD62E2-4A23-86F4-8704-0C62BF6886E2}\ = "PSFactoryBuffer" b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{5ADD62E2-4A23-86F4-8704-0C62BF6886E2}\InProcServer32 b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe -
Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: 33 2260 b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe Token: SeIncBasePriorityPrivilege 2260 b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe"C:\Users\Admin\AppData\Local\Temp\b66429cf4aef8350c484fdab30a29a0a800ec9e32812725e0fcb26790edcbf06.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
PID:2260
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
15.8MB
MD5d229b0a281f7764bf9ee450ed4105f74
SHA1ae5448193e8a123881dbb22034503d8b3a220484
SHA256ed7a793bdeaff1974f4efa475e5bb488ede4153ca0a9f246036bd305e15c2845
SHA51223afbe9087330956a795604127c3e1f4412d8f4cbb512ad99b97290ddf796f2844784e358ba4c380a0e700075da80903f7fda4c699581d9940176cb3d10286e8
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Filesize
15.8MB
MD544508e5e799389e49eff6565aa73e2d5
SHA167dcaf9274b630a3a8bddc15ba0a18b9362b1a11
SHA256963240a87ae3177de2d5d04c0d10dfab3ee74c57a2cfb71d98406f3e656a931a
SHA512c2d2253da4180482f6b9aa3c24169f05adda7ed3628aa7cc876e22639ac940fb0e9177a20c650da1009e97b62e94e55036a0363e38a544eba25f4938742c5ab6