General
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Target
9dc7f9c0d0554a9523ffbf163b42fe1396b6257a79eea2e0b35315923a47c9a2
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Size
243KB
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Sample
210919-xka1wsfaen
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MD5
077824d166b694addfa6236f176320a8
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SHA1
5496be6cc9cf51018c8f6da779be115563b0615c
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SHA256
9dc7f9c0d0554a9523ffbf163b42fe1396b6257a79eea2e0b35315923a47c9a2
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SHA512
8a04ab05f326bd58cfe96c426cafd3c35f5979da93486e0a511688ec7f6e39b8ce2d21c288000c2a19445431067c1a979b3fe7f00603f2744dc4592451a2181a
Static task
static1
Behavioral task
behavioral1
Sample
9dc7f9c0d0554a9523ffbf163b42fe1396b6257a79eea2e0b35315923a47c9a2.exe
Resource
win10-en
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
9dc7f9c0d0554a9523ffbf163b42fe1396b6257a79eea2e0b35315923a47c9a2
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Size
243KB
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MD5
077824d166b694addfa6236f176320a8
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SHA1
5496be6cc9cf51018c8f6da779be115563b0615c
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SHA256
9dc7f9c0d0554a9523ffbf163b42fe1396b6257a79eea2e0b35315923a47c9a2
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SHA512
8a04ab05f326bd58cfe96c426cafd3c35f5979da93486e0a511688ec7f6e39b8ce2d21c288000c2a19445431067c1a979b3fe7f00603f2744dc4592451a2181a
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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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Legitimate hosting services abused for malware hosting/C2
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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
2Scheduled Task
1Defense Evasion
Disabling Security Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1Web Service
1