General
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Target
cb3c83da32f0b4243c341c37e9865ddaaa0a612b333f372671e3610fb8b8f586
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Size
246KB
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Sample
230218-2szrfadb51
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MD5
c3930d1f11425f93631557cb762e32fd
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SHA1
498320119f85c455cc5dca8f2aa60aa9290de90f
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SHA256
cb3c83da32f0b4243c341c37e9865ddaaa0a612b333f372671e3610fb8b8f586
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SHA512
d4c62aa173ce314c91104db30d6032c5e6c501cb4094aa761edb1e55e66c7b645b3e834db590da2d5c3e7550865cdfd191f4282588e262211d5dce3445babfa5
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SSDEEP
3072:mZ2xVf/LeleqnDDRpRF/k0OjIJA6bKIXYOU8R0c2M2ZdnVUkF:sEx/LelZDbdiiZoO1R0c2M2Zd
Static task
static1
Malware Config
Targets
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Target
cb3c83da32f0b4243c341c37e9865ddaaa0a612b333f372671e3610fb8b8f586
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Size
246KB
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MD5
c3930d1f11425f93631557cb762e32fd
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SHA1
498320119f85c455cc5dca8f2aa60aa9290de90f
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SHA256
cb3c83da32f0b4243c341c37e9865ddaaa0a612b333f372671e3610fb8b8f586
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SHA512
d4c62aa173ce314c91104db30d6032c5e6c501cb4094aa761edb1e55e66c7b645b3e834db590da2d5c3e7550865cdfd191f4282588e262211d5dce3445babfa5
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SSDEEP
3072:mZ2xVf/LeleqnDDRpRF/k0OjIJA6bKIXYOU8R0c2M2ZdnVUkF:sEx/LelZDbdiiZoO1R0c2M2Zd
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Detects Smokeloader packer
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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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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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Uses the VBS compiler for execution
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Legitimate hosting services abused for malware hosting/C2
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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 SetThreadContext
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