General
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Target
b6438866e0d8397c30a6dbaf8b325aa1105ff7a43f36eeab5931132c0238c47e
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Size
335KB
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Sample
211220-xlpwfabfd6
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MD5
dfd4d41c02a8f3803005dd9ac8d85784
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SHA1
c2d3d3b36ede43180e2005e6b568b6a1a64c3a68
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SHA256
b6438866e0d8397c30a6dbaf8b325aa1105ff7a43f36eeab5931132c0238c47e
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SHA512
2e4c00ca9131c005f4ea640ad97016592087229ade4a8f0fd48cbf92ebb3f1c2546708341d5d10f43d3f2930364848baf94c54d4eaca48eff3bc009c7807eb04
Static task
static1
Behavioral task
behavioral1
Sample
b6438866e0d8397c30a6dbaf8b325aa1105ff7a43f36eeab5931132c0238c47e.exe
Resource
win10-en-20211208
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
redline
1
86.107.197.138:38133
Extracted
redline
install
62.182.156.187:56323
Extracted
tofsee
mubrikych.top
oxxyfix.xyz
Targets
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-
Target
b6438866e0d8397c30a6dbaf8b325aa1105ff7a43f36eeab5931132c0238c47e
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Size
335KB
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MD5
dfd4d41c02a8f3803005dd9ac8d85784
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SHA1
c2d3d3b36ede43180e2005e6b568b6a1a64c3a68
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SHA256
b6438866e0d8397c30a6dbaf8b325aa1105ff7a43f36eeab5931132c0238c47e
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SHA512
2e4c00ca9131c005f4ea640ad97016592087229ade4a8f0fd48cbf92ebb3f1c2546708341d5d10f43d3f2930364848baf94c54d4eaca48eff3bc009c7807eb04
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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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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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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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Drops startup file
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Disabling Security Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1