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Analysis
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max time kernel
94s -
max time network
96s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
27/01/2025, 07:55
Static task
static1
Behavioral task
behavioral1
Sample
b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe
Resource
win7-20241010-en
Behavioral task
behavioral2
Sample
b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe
Resource
win10v2004-20241007-en
General
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Target
b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe
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Size
5.0MB
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MD5
c0628720a50269e551a2d5ae55ab558b
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SHA1
a56cbafdab74385d917a70ff82d0e2f0923bf78f
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SHA256
b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26
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SHA512
67898f886aa03d2a5852696477db606e9c2d17fb8ff121b4481f73f95b28885269f305974fa237f777e80e2d6ddd8cf254f6f838adc2baf7c363fb81cd9ba5cc
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SSDEEP
49152:RLImNoTxmPfJmD3X+4mNbdo1ZZU38tY1uHzm:9IqolmPfJmDH+4mNRo1Zg1o
Malware Config
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Signatures
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Stealc 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__ b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.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\VideoBiosVersion b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\SystemBiosVersion b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe -
Identifies Wine through registry keys 2 TTPs 1 IoCs
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Wine b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe -
Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4952 b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.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 b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 4952 b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe 4952 b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe"C:\Users\Admin\AppData\Local\Temp\b677cf42388939a0d9cbe0d2d832708eff4b2855f98fa584d879884c52c51a26.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:4952