Analysis
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max time kernel
119s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20241023-en -
resource tags
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submitted
13-12-2024 01:34
General
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Target
R70ZI_file.exe
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Size
1.7MB
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MD5
91c87d6521355c02422acb98aea28b43
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SHA1
71f5a66b2d645b355e675ce458f302b192da214b
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SHA256
f7df3bbf114ddb67167ed7b1bbea2ce1a575b0cba8d5b54a21a59b662dfd5139
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SHA512
dea14418513777047d89268e316fa71a2f17f3cdd7d912688302ee332b4a15343ee4a0bf515beb308b58ea742b905b5e29f57531fcf8da1d3d83708ce8cab1a5
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SSDEEP
49152:rF60ad127GTPoq6IHg7SfyaVoIndGruuLzv:rI0addTO8gUyaVrd+N
Malware Config
Extracted
stealc
stok
http://185.215.113.206
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url_path
/c4becf79229cb002.php
Signatures
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Stealc
Stealc is an infostealer written in C++.
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Stealc family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Checks BIOS information in registry 2 TTPs 2 IoCs
BIOS information is often read in order to detect sandboxing environments.
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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.
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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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.
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Suspicious behavior: EnumeratesProcesses 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\R70ZI_file.exe"C:\Users\Admin\AppData\Local\Temp\R70ZI_file.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
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
6.6MB
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Filesize
8KB
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Filesize
92KB
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Filesize
6.6MB
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Filesize
6.6MB