General
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Target
d64d8eed644caf8ae70e7ca3b427e10382d196636f0c189bb6a43ba3f39feb62
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Size
215KB
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Sample
210920-2frkasfef9
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MD5
946643f9d05ddb17aed8861b787dc9ef
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SHA1
987017fd4f6a5f63beff0f47dda9cc67ff9b9c75
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SHA256
d64d8eed644caf8ae70e7ca3b427e10382d196636f0c189bb6a43ba3f39feb62
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SHA512
bbf2813833b6f66ee32ec6498b4673a7489f7867066aaa3a2875de9b7ae78867375b660a7ad73695f3568c838cea1e8a3f1c6ecc22b63e05cfd1a1c4336f8853
Static task
static1
Behavioral task
behavioral1
Sample
d64d8eed644caf8ae70e7ca3b427e10382d196636f0c189bb6a43ba3f39feb62.exe
Resource
win10-en-20210920
Malware Config
Extracted
smokeloader
2020
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
Extracted
redline
installEXE
146.70.35.170:30905
Extracted
redline
khrip1k
91.142.77.155:5469
Targets
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Target
d64d8eed644caf8ae70e7ca3b427e10382d196636f0c189bb6a43ba3f39feb62
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Size
215KB
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MD5
946643f9d05ddb17aed8861b787dc9ef
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SHA1
987017fd4f6a5f63beff0f47dda9cc67ff9b9c75
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SHA256
d64d8eed644caf8ae70e7ca3b427e10382d196636f0c189bb6a43ba3f39feb62
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SHA512
bbf2813833b6f66ee32ec6498b4673a7489f7867066aaa3a2875de9b7ae78867375b660a7ad73695f3568c838cea1e8a3f1c6ecc22b63e05cfd1a1c4336f8853
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MedusaLocker Payload
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload
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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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XMRig Miner Payload
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Creates new service(s)
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Downloads MZ/PE file
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Drops file in Drivers directory
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Executes dropped EXE
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Modifies Windows Firewall
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Sets service image path in registry
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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Loads dropped DLL
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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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Drops desktop.ini file(s)
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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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Drops file in System32 directory
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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
1File Deletion
3Modify Registry
4Virtualization/Sandbox Evasion
1