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Analysis
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max time kernel
139s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20230915-en -
resource tags
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submitted
11/10/2023, 10:24
General
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Target
aa3d40c34d88ebc024f798e3e5a720e6cd7f6f447cdfbbead1f0c5bba72d4312.exe
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Size
5.4MB
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MD5
380b17feab2c2dc51b7940a95295678e
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SHA1
d39bb6eabdf04e535737f77ef838f5ad6bdb4b6a
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SHA256
aa3d40c34d88ebc024f798e3e5a720e6cd7f6f447cdfbbead1f0c5bba72d4312
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SHA512
728c01575152a1b8637bba1db1078e3c66e8631351c18ec55c4356e26af1fcd16b5d9698058e4247b7e43c5090f173b19d81664b1c60b03b6e98cb3f6a278c3e
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SSDEEP
98304:c6te5FnoajcsPJRRCsA7J//OaHvQyqW9oe4+JOijZdMAuaKzG3gu5:c75ZxPJRRy7h/8yh13jZSAuaqGwC
Malware Config
Signatures
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
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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 14 IoCs
Detects Themida, an advanced Windows software protection system.
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Checks whether UAC is enabled 1 TTPs 1 IoCs
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Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory 4 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious behavior: EnumeratesProcesses 2 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\aa3d40c34d88ebc024f798e3e5a720e6cd7f6f447cdfbbead1f0c5bba72d4312.exe"C:\Users\Admin\AppData\Local\Temp\aa3d40c34d88ebc024f798e3e5a720e6cd7f6f447cdfbbead1f0c5bba72d4312.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Checks computer location settings
- Checks whether UAC is enabled
- Drops file in System32 directory
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -s WPDBusEnum1⤵
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C:\Windows\system32\svchost.exeC:\Windows\system32\svchost.exe -k LocalSystemNetworkRestricted -p -s fhsvc1⤵
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
127B
MD58ef9853d1881c5fe4d681bfb31282a01
SHA1a05609065520e4b4e553784c566430ad9736f19f
SHA2569228f13d82c3dc96b957769f6081e5bac53cffca4ffde0ba1e102d9968f184a2
SHA5125ddee931a08cfea5bb9d1c36355d47155a24d617c2a11d08364ffc54e593064011dee4fea8ac5b67029cab515d3071f0ba0422bb76af492a3115272ba8feb005
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Filesize
4KB
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Filesize
14.1MB
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Filesize
8KB
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Filesize
2.0MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
2.8MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
14.1MB
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Filesize
2.8MB
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Filesize
2.0MB
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Filesize
14.1MB
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Filesize
2.8MB
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Filesize
2.0MB