General
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Target
a8f9a08868396c691207daaafe596569.exe
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Size
243KB
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Sample
210920-emqv1scge6
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MD5
a8f9a08868396c691207daaafe596569
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SHA1
04ffa112f37475283540dcc2d970e74267c86ec3
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SHA256
90ce980b980b372a90c20b959ee2ad27dcea764ce2e858043a8e02aa307cf3b1
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SHA512
953121037ce193c2727de5a7df6b10d682ca7fb91748f7505815714815a13ccff6281a8b0af12ab50c5d293a77f4703b57f0ab0aa5dd621f2ff667ef430efd70
Static task
static1
Behavioral task
behavioral1
Sample
a8f9a08868396c691207daaafe596569.exe
Resource
win7v20210408
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
UDP
45.9.20.20:13441
Extracted
redline
New777
45.67.231.145:10991
Targets
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Target
a8f9a08868396c691207daaafe596569.exe
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Size
243KB
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MD5
a8f9a08868396c691207daaafe596569
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SHA1
04ffa112f37475283540dcc2d970e74267c86ec3
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SHA256
90ce980b980b372a90c20b959ee2ad27dcea764ce2e858043a8e02aa307cf3b1
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SHA512
953121037ce193c2727de5a7df6b10d682ca7fb91748f7505815714815a13ccff6281a8b0af12ab50c5d293a77f4703b57f0ab0aa5dd621f2ff667ef430efd70
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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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XMRig Miner Payload
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Creates new service(s)
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Downloads MZ/PE file
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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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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 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
1Install Root Certificate
1Modify Registry
4Virtualization/Sandbox Evasion
1