General
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Target
7a2899fc058c83f293b08384dd2922d1.exe
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Size
176KB
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Sample
210331-vjtmf7bpf2
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MD5
7a2899fc058c83f293b08384dd2922d1
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SHA1
ff28d906cae7fb816caebbf2ae1bdaf583e3ae32
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SHA256
deceb572b4fd9c2e2c964ea1a574082a7bb6cc3952ad0c2eaeabe64f20d706fe
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SHA512
acb914443fb000e88262eed0f6509d89c81d6a244d35bab6f1c4991c8599739155bf5db05f2c5218f54d9c10f58e070c80851caec522e09c0a0e569d496fd1e4
Static task
static1
Behavioral task
behavioral1
Sample
7a2899fc058c83f293b08384dd2922d1.exe
Resource
win7v20201028
Malware Config
Extracted
smokeloader
2020
http://xsss99.icu/upload/
http://bingooodsg.icu/upload/
http://junntd.xyz/upload/
http://ginessa11.xyz/upload/
http://overplayninsx.xyz/upload/
http://bananinze.com/upload/
http://daunimlas.com/upload/
Targets
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Target
7a2899fc058c83f293b08384dd2922d1.exe
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Size
176KB
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MD5
7a2899fc058c83f293b08384dd2922d1
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SHA1
ff28d906cae7fb816caebbf2ae1bdaf583e3ae32
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SHA256
deceb572b4fd9c2e2c964ea1a574082a7bb6cc3952ad0c2eaeabe64f20d706fe
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SHA512
acb914443fb000e88262eed0f6509d89c81d6a244d35bab6f1c4991c8599739155bf5db05f2c5218f54d9c10f58e070c80851caec522e09c0a0e569d496fd1e4
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Suspicious use of NtCreateProcessExOtherParentProcess
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Creates new service(s)
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Executes dropped EXE
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Modifies Windows Firewall
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Sets service image path in registry
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Deletes itself
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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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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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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 SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
New Service
1Modify Existing Service
1Registry Run Keys / Startup Folder
2Bootkit
1Defense Evasion
Modify Registry
3File Permissions Modification
1Install Root Certificate
1