General
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Target
file.exe
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Size
3.5MB
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Sample
230719-1ba63sbc56
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MD5
00849efbfc868301729148fa957e35b7
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SHA1
fdf3feedc18b8806f3bb15e785907d2a738859bb
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SHA256
e2cd080304d92494e731ad88d60f1ba38670ba4a751cd8df1e09d6702345999b
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SHA512
a2c5eb6ba6e88cb8aef2c3d8464770bd65afbda0a88bbc4f6704b2679cfcb938d9cdaea5d15929b6e45cebee5445ca479c204b3579d6170d70f37e8133728f53
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SSDEEP
98304:Owp1OWggbmRn32RdGZXutOldZz/aSXtxpso:OwpUW/hu+eZz/aSXtrZ
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230712-en
Malware Config
Targets
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Target
file.exe
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Size
3.5MB
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MD5
00849efbfc868301729148fa957e35b7
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SHA1
fdf3feedc18b8806f3bb15e785907d2a738859bb
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SHA256
e2cd080304d92494e731ad88d60f1ba38670ba4a751cd8df1e09d6702345999b
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SHA512
a2c5eb6ba6e88cb8aef2c3d8464770bd65afbda0a88bbc4f6704b2679cfcb938d9cdaea5d15929b6e45cebee5445ca479c204b3579d6170d70f37e8133728f53
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SSDEEP
98304:Owp1OWggbmRn32RdGZXutOldZz/aSXtxpso:OwpUW/hu+eZz/aSXtrZ
Score10/10-
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)
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Downloads MZ/PE file
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Executes dropped EXE
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Loads dropped DLL
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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