General
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Target
Bpznb.msi
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Size
3.8MB
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Sample
230316-p4dl5aah37
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MD5
c39fec313f716b37b80ccf946ef5cc83
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SHA1
7af29257d77bab7ed5a70293abe44da3c1c10c37
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SHA256
015151bd2d2bfb88389899bfac44b0e17a28db00abc8e1463058d84de40b1925
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SHA512
0eeb8fa73bbf1886101db96ea376343fae6bae872a264b55feb58a1060c75772f45b5244b005613830e056cd7a58f8307bb54c01417cacd7a57d46542b160291
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SSDEEP
49152:LpUPlOPlQRNDP9nqI5KKs2p8iYu9ap7QqKHKG+n2H6h1Ug:LpTt4NDVPKB2vinG8n2Hs
Static task
static1
Behavioral task
behavioral1
Sample
Bpznb.msi
Resource
win7-20230220-en
Malware Config
Extracted
stealc
http://193.233.20.145
Extracted
laplas
http://193.233.20.134
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api_key
57728dce0f7018e17faf9f061cb2d77048e08414376baf6d860b78e74e83c208
Targets
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Target
Bpznb.msi
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Size
3.8MB
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MD5
c39fec313f716b37b80ccf946ef5cc83
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SHA1
7af29257d77bab7ed5a70293abe44da3c1c10c37
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SHA256
015151bd2d2bfb88389899bfac44b0e17a28db00abc8e1463058d84de40b1925
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SHA512
0eeb8fa73bbf1886101db96ea376343fae6bae872a264b55feb58a1060c75772f45b5244b005613830e056cd7a58f8307bb54c01417cacd7a57d46542b160291
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SSDEEP
49152:LpUPlOPlQRNDP9nqI5KKs2p8iYu9ap7QqKHKG+n2H6h1Ug:LpTt4NDVPKB2vinG8n2Hs
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Detects Stealc stealer
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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Accesses cryptocurrency files/wallets, possible credential harvesting
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Adds Run key to start application
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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