Analysis
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max time kernel
54s -
max time network
59s -
platform
windows7_x64 -
resource
win7-20241010-en -
resource tags
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submitted
26/03/2025, 15:19
General
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Target
92a8a8f5fbf19f583536f9c3bb70e5db.exe
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Size
4.5MB
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MD5
92a8a8f5fbf19f583536f9c3bb70e5db
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SHA1
8c4fd01541cdf56c2d24a0323b25855efdc0f02d
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SHA256
d3b494428053c4d255f7d092850f73d944d609675f7c4b1a56d400fd4d2b8813
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SHA512
68d14aa14da43cfdfa539833d44362cc22b8500c9c2bfb8579636e6649821ea575d242bdf282e8957ccca49869be74b55dd99cdfb6d014ea6824361a84203a47
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SSDEEP
98304:76oKhEPphKTL5yya2wuE+RpJq8dXRt6zJ2cG8UlBCY:7KqSTPaCE4q8/MzXGFlBCY
Malware Config
Signatures
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GCleaner
GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.
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Gcleaner family
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Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 1 IoCs
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Downloads MZ/PE file 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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Executes dropped EXE 1 IoCs
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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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Loads dropped DLL 1 IoCs
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Suspicious use of NtSetInformationThreadHideFromDebugger 1 IoCs
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Suspicious use of SetThreadContext 1 IoCs
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Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 2 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
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Suspicious use of WriteProcessMemory 10 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\92a8a8f5fbf19f583536f9c3bb70e5db.exe"C:\Users\Admin\AppData\Local\Temp\92a8a8f5fbf19f583536f9c3bb70e5db.exe"1⤵
- Identifies VirtualBox via ACPI registry values (likely anti-VM)
- Checks BIOS information in registry
- Identifies Wine through registry keys
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\svchost015.exe"C:\Users\Admin\AppData\Local\Temp\92a8a8f5fbf19f583536f9c3bb70e5db.exe"2⤵
- Downloads MZ/PE file
- Executes dropped EXE
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
1B
MD5cfcd208495d565ef66e7dff9f98764da
SHA1b6589fc6ab0dc82cf12099d1c2d40ab994e8410c
SHA2565feceb66ffc86f38d952786c6d696c79c2dbc239dd4e91b46729d73a27fb57e9
SHA51231bca02094eb78126a517b206a88c73cfa9ec6f704c7030d18212cace820f025f00bf0ea68dbf3f3a5436ca63b53bf7bf80ad8d5de7d8359d0b7fed9dbc3ab99
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Filesize
2.9MB
MD5b826dd92d78ea2526e465a34324ebeea
SHA1bf8a0093acfd2eb93c102e1a5745fb080575372e
SHA2567824b50acdd144764dac7445a4067b35cf0fef619e451045ab6c1f54f5653a5b
SHA5121ac4b731b9b31cabf3b1c43aee37206aee5326c8e786abe2ab38e031633b778f97f2d6545cf745c3066f3bd47b7aaf2ded2f9955475428100eaf271dd9aeef17
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Filesize
10.1MB
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Filesize
8KB
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Filesize
288KB
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Filesize
10.1MB
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Filesize
10.1MB
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Filesize
10.1MB
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Filesize
10.1MB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
112KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
184KB
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Filesize
1024KB