General
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Target
4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f
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Size
242KB
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Sample
210919-mjq1lseecr
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MD5
c3a276188e0464f14b014b3f700a4f40
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SHA1
e5184e9f3c3dc5fd3290a31e23c51b7a269eced6
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SHA256
4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f
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SHA512
ca225b2735abc971c1554670d30851ab7a6f4bd372bc3138c657d45c4067ae985288bda7a3eba6146b9d82c412fcdca307f206adcb53f692adc93bb387701507
Static task
static1
Malware Config
Extracted
smokeloader
2020
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
Extracted
redline
UDP
45.9.20.20:13441
Targets
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Target
4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f
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Size
242KB
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MD5
c3a276188e0464f14b014b3f700a4f40
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SHA1
e5184e9f3c3dc5fd3290a31e23c51b7a269eced6
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SHA256
4bb89740e995ea5239ccd9a4a88c9374ae09e83a2606ead985937fac4deb2c4f
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SHA512
ca225b2735abc971c1554670d30851ab7a6f4bd372bc3138c657d45c4067ae985288bda7a3eba6146b9d82c412fcdca307f206adcb53f692adc93bb387701507
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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
1Modify Registry
3Virtualization/Sandbox Evasion
1