Analysis
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max time kernel
148s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20231130-en -
resource tags
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submitted
04-12-2023 09:09
General
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Target
Sales Contract DC-HHP-046.exe
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Size
1002KB
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MD5
95f1677bda0ecc9c08e5fa8df14c0e13
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SHA1
8e40dd502651cee37fd7ee1eca5d34a3183a54c8
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SHA256
6a785fc98d9962b475ba45b90865158bf15bdbbdc9caea83ea3afc3a84fed246
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SHA512
b14a9cfb32964a80bc6a3fc1aef2cf54bf30ad31716aa6cca44d9fb6e033c22d843cc002c528a28c068f22cf5ae64bd3e6192d280565db2ffbd71755e6a52783
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SSDEEP
12288:vp8FfEp4L+L/3FSr6RPO98wvpB6XFb6pwYETuWOmlHgKRKNIJX3hftGgNlsjQ:vpp4yckPyhBGx6ajNlHgKUKV3hIgnYQ
Malware Config
Signatures
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Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
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Loads dropped DLL 1 IoCs
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Drops file in System32 directory 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Drops file in Program Files directory 3 IoCs
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Drops file in Windows directory 2 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Suspicious behavior: MapViewOfSection 1 IoCs
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Suspicious use of WriteProcessMemory 5 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Sales Contract DC-HHP-046.exe"C:\Users\Admin\AppData\Local\Temp\Sales Contract DC-HHP-046.exe"1⤵
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Drops file in Windows directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Windows\Microsoft.NET\Framework\v4.0.30319\msbuild.exe"C:\Users\Admin\AppData\Local\Temp\Sales Contract DC-HHP-046.exe"2⤵
- Suspicious use of NtSetInformationThreadHideFromDebugger
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
12KB
MD50d7ad4f45dc6f5aa87f606d0331c6901
SHA148df0911f0484cbe2a8cdd5362140b63c41ee457
SHA2563eb38ae99653a7dbc724132ee240f6e5c4af4bfe7c01d31d23faf373f9f2eaca
SHA512c07de7308cb54205e8bd703001a7fe4fd7796c9ac1b4bb330c77c872bf712b093645f40b80ce7127531fe6746a5b66e18ea073ab6a644934abed9bb64126fea9
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Filesize
44B
MD5ad691854b5e0587ed7af25c249a68fd5
SHA160a4465cfe7b6b663b9993fe958f8306de76d556
SHA256b20bf1c3b7b6a17271b6a463eaac81ac8d2debc47950479047cf14ac51ca04c8
SHA5122018e53a9c97641be6313912d3277f7aedc7788c74c0bd4574504892dc8ddeff9a206d59aa302c971a9a9e227a28055e790a94f747f3d5ab7762d2f64fb3d9b3
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Filesize
35.8MB
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Filesize
4KB
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Filesize
1.1MB
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Filesize
18.3MB
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Filesize
35.8MB
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Filesize
35.8MB
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Filesize
1.1MB
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Filesize
28KB
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Filesize
35.8MB