General
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Target
0a1d8017a74c6b4681326a566fc47a75a98736a1d307693db08a1c8bd55dbb5f
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Size
244KB
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Sample
210919-wj8ebsfaak
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MD5
472b863c7d190aa0e6222bc7998020ed
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SHA1
d78c1b93217fabe6ce4484dc67525764a23f4d11
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SHA256
0a1d8017a74c6b4681326a566fc47a75a98736a1d307693db08a1c8bd55dbb5f
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SHA512
df8db345bc474fc4cea6a088093103d3022bbad4bb98f76769f8c4346b9e232dc79c66c5b1d8db47eae09281c1ec1d472dd259b903b6daa679e03f6149022c06
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
0a1d8017a74c6b4681326a566fc47a75a98736a1d307693db08a1c8bd55dbb5f
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Size
244KB
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MD5
472b863c7d190aa0e6222bc7998020ed
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SHA1
d78c1b93217fabe6ce4484dc67525764a23f4d11
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SHA256
0a1d8017a74c6b4681326a566fc47a75a98736a1d307693db08a1c8bd55dbb5f
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SHA512
df8db345bc474fc4cea6a088093103d3022bbad4bb98f76769f8c4346b9e232dc79c66c5b1d8db47eae09281c1ec1d472dd259b903b6daa679e03f6149022c06
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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