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Analysis
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max time kernel
149s -
max time network
152s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
25/01/2025, 01:20
Static task
static1
Behavioral task
behavioral1
Sample
cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe
Resource
win7-20240729-en
Behavioral task
behavioral2
Sample
cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe
Resource
win10v2004-20241007-en
General
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Target
cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe
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Size
1.7MB
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MD5
9f930d4b2cecf249e5f18e18e3928c9f
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SHA1
94724f567e44b85847c8a39840a8a898904f1b8d
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SHA256
cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2
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SHA512
091482a3475b76f1591341f3b121b8ff142ab33e62935e513ae2e8a0cc6308e9ebcc259567818cf6b78a5e79e68efaffa110eecac125e88a1935ffbdcd37c91e
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SSDEEP
24576:N8DrG2Mbo6t2p6ZENcSmPUaqppw0sQ+Jh4Kx2YZ0Hn8Wpky9RmsTHVzKVXNdg0:Nf/c6t1Z7SmPzqpdw4q2eWNPV2Xbg
Malware Config
Extracted
stealc
brat
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__ cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.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 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\VideoBiosVersion cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.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 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe -
Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
pid Process 4944 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 4904 4944 WerFault.exe 84 -
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 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe -
Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
description ioc Process Key opened \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\CentralProcessor\0\ProcessorNameString cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe -
Suspicious behavior: EnumeratesProcesses 4 IoCs
pid Process 4944 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe 4944 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe 4944 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe 4944 cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe
Processes
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C:\Users\Admin\AppData\Local\Temp\cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.exe"C:\Users\Admin\AppData\Local\Temp\cd7f5c4f492d5d2e9fbf4a91de8a6e038d177a2ef2bcc916ab9ccc5f996421b2.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
- Checks processor information in registry
- Suspicious behavior: EnumeratesProcesses
PID:4944 -
C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4944 -s 14922⤵
- Program crash
PID:4904
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 4944 -ip 49441⤵PID:1684