General
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Target
81f74860c26c00abdd28403b003f2058aba9efff2903a634e7088a2aece17a90
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Size
313KB
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Sample
220115-ltvwwadfh5
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MD5
0e3e0e302a41ba96e84799f44f1e94a5
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SHA1
dbaf67c47bbf3af0252385573f4bd9b61499d659
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SHA256
81f74860c26c00abdd28403b003f2058aba9efff2903a634e7088a2aece17a90
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SHA512
650e847970db9f76fa9309c15c18d68ca98e2b249280b8cf26280f23ba0bd6cffccc2fd818e11b71360430247c1770cf98c353aab8547a4faeb7c0860e7cbff3
Static task
static1
Malware Config
Extracted
smokeloader
2020
http://host-data-coin-11.com/
http://file-coin-host-12.com/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
Extracted
arkei
Default
http://file-file-host4.com/tratata.php
Extracted
tofsee
patmushta.info
parubey.info
Extracted
raccoon
1.8.4-hotfixs
Targets
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Target
81f74860c26c00abdd28403b003f2058aba9efff2903a634e7088a2aece17a90
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Size
313KB
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MD5
0e3e0e302a41ba96e84799f44f1e94a5
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SHA1
dbaf67c47bbf3af0252385573f4bd9b61499d659
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SHA256
81f74860c26c00abdd28403b003f2058aba9efff2903a634e7088a2aece17a90
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SHA512
650e847970db9f76fa9309c15c18d68ca98e2b249280b8cf26280f23ba0bd6cffccc2fd818e11b71360430247c1770cf98c353aab8547a4faeb7c0860e7cbff3
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Suspicious use of NtCreateProcessExOtherParentProcess
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Arkei Stealer 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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Drops file in Drivers directory
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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 Matrix ATT&CK v6
Persistence
New Service
1Modify Existing Service
1Hidden Files and Directories
2Registry Run Keys / Startup Folder
2Scheduled Task
1Defense Evasion
Virtualization/Sandbox Evasion
1Hidden Files and Directories
2Modify Registry
2