Analysis
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max time kernel
93s -
max time network
141s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
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submitted
21-11-2024 10:08
General
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Target
UMCUD_file.exe
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Size
1.7MB
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MD5
88d9a99ca46e751ab8202680c23046f3
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SHA1
dcba4b2d61dc2e695d2f0d6c4e4011cfd66d547f
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SHA256
16503ad13cedbcd3a80af81e25a871ef01ca4606fa2e61f3960924fd2c000ee4
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SHA512
0ac42f6dbabc574024472697b42d9d38c14230e69a5e434fb97e1c3c95b58d5d4fe593965812dd209b2414167662377006b1562033acf5d9b6d6bba5c7cc1ff3
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SSDEEP
49152:N9QJ8SRmZEblDMUePc0eTM0QoEzH934Ma18:bQ2SRkE9cIwNo
Malware Config
Extracted
stealc
mars
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 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\UMCUD_file.exe"C:\Users\Admin\AppData\Local\Temp\UMCUD_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