Analysis
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max time kernel
124s -
max time network
165s -
platform
windows7_x64 -
resource
win7v20210408 -
submitted
11-08-2021 12:52
General
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Target
Crystal.exe
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Size
3.0MB
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MD5
d59c7cc6f109cb59fa55309f4f829692
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SHA1
18c2361058540fdf9684ba07cef04085d90dbaa2
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SHA256
a35bb31351cf385fe52b27c02642f2f99aed0d8fd472b4df12bf508faf3426d3
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SHA512
532d135a1009a4a4985cbf15ad1cd1fe35a2ea5bb1a8ce15da5c2f5f6d7cb9b07491715b24539ad36702c664fb71e98a4f3aca1753691de5a02d73caa87bbc00
Score
10/10
Malware Config
Signatures
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs
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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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Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Themida packer 1 IoCs
Detects Themida, an advanced Windows software protection system.
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Accesses cryptocurrency files/wallets, possible credential harvesting 2 TTPs
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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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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious behavior: EnumeratesProcesses 3 IoCs
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Suspicious use of AdjustPrivilegeToken 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\Crystal.exe"C:\Users\Admin\AppData\Local\Temp\Crystal.exe"1⤵
- Checks BIOS information in registry
- Checks whether UAC is enabled
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
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Filesize
8KB
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Filesize
4KB
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Filesize
4KB