General
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Target
e142f4e8eb3fb4323fb377138.exe
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Size
281KB
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Sample
230625-mffepseg21
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MD5
9769c181ecef69544bbb2f974b8c0e10
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SHA1
5d0f447f4ccc89d7d79c0565372195240cdfa25f
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SHA256
e142f4e8eb3fb4323fb377138f53db66e3e6ec9e82930f4b23dd91a5f7bd45d0
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SHA512
b3da8fea6ee5d6b67f55a4043f18d7325f1700c9f3dcb0e7cbf21f49ebdbb56b5a10a2d03153d0dfb1e8dc34db20cdea0236c448f2c361fadbabf9a6f59b4c7a
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SSDEEP
3072:Z5SXIMALRKEttgCWAbi1D1fJmxIV0BN3omE9MA5yXsztcJe9:GIMpEtCCWAbiBRmE9o6
Static task
static1
Behavioral task
behavioral1
Sample
e142f4e8eb3fb4323fb377138.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
e142f4e8eb3fb4323fb377138.exe
Resource
win10v2004-20230621-en
Malware Config
Extracted
smokeloader
2022
http://serverlogs37.xyz/statweb255/
http://servblog757.xyz/statweb255/
http://dexblog45.xyz/statweb255/
http://admlogs.online/statweb255/
http://blogstat355.xyz/statweb255/
http://blogstatserv25.xyz/statweb255/
Targets
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Target
e142f4e8eb3fb4323fb377138.exe
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Size
281KB
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MD5
9769c181ecef69544bbb2f974b8c0e10
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SHA1
5d0f447f4ccc89d7d79c0565372195240cdfa25f
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SHA256
e142f4e8eb3fb4323fb377138f53db66e3e6ec9e82930f4b23dd91a5f7bd45d0
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SHA512
b3da8fea6ee5d6b67f55a4043f18d7325f1700c9f3dcb0e7cbf21f49ebdbb56b5a10a2d03153d0dfb1e8dc34db20cdea0236c448f2c361fadbabf9a6f59b4c7a
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SSDEEP
3072:Z5SXIMALRKEttgCWAbi1D1fJmxIV0BN3omE9MA5yXsztcJe9:GIMpEtCCWAbiBRmE9o6
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Renames multiple (407) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Blocklisted process makes network request
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Downloads MZ/PE file
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Modifies Windows Firewall
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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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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Accesses Microsoft Outlook profiles
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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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Drops desktop.ini file(s)
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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