General
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Target
28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633
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Size
244KB
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Sample
210919-y4g4zsfbcj
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MD5
f6687c1b060443857627aa82bc9e3b07
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SHA1
9d84d05424ec77ab8634d258ee335d91655aa97d
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SHA256
28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633
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SHA512
d2f824a4d59f0da84929563ec46fbf9f23799d60e607050c39c142e01db07abc60f7b3f07bfd9175b9264ebe27e49f9e8ca4078131ca1f5b015246049338c92b
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
28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633
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Size
244KB
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MD5
f6687c1b060443857627aa82bc9e3b07
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SHA1
9d84d05424ec77ab8634d258ee335d91655aa97d
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SHA256
28a146249ee0d1cf4bb5fe0e8a56f94c917821ad3d16a1958623d09e4a2ce633
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SHA512
d2f824a4d59f0da84929563ec46fbf9f23799d60e607050c39c142e01db07abc60f7b3f07bfd9175b9264ebe27e49f9e8ca4078131ca1f5b015246049338c92b
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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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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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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 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
2Defense Evasion
Disabling Security Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1Web Service
1