General
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Target
eeb0579f309f7c084e5b313c4d79106c2ca4f7ea68ff92127077018a05b7c316
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Size
270KB
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Sample
210920-1qm47aabgr
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MD5
1c1ba9aab0fe6101fe5981644cfeca48
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SHA1
c32496a11684cc7a680f92a64d036e68bace27ab
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SHA256
eeb0579f309f7c084e5b313c4d79106c2ca4f7ea68ff92127077018a05b7c316
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SHA512
698763916ee04994b75638eb12e01f3c17a9a74f97cb87867c5a112cf48213f3fd418abeec6d714c5d6468a4f413ce612c5dfb2f0cc91d9a36d781158bb9c30e
Static task
static1
Behavioral task
behavioral1
Sample
eeb0579f309f7c084e5b313c4d79106c2ca4f7ea68ff92127077018a05b7c316.exe
Resource
win10v20210408
Malware Config
Extracted
smokeloader
2020
http://venerynnet1.top/
http://kevonahira2.top/
http://vegangelist3.top/
http://kingriffaele4.top/
http://arakeishant5.top/
Extracted
redline
khrip1k
91.142.77.155:5469
Targets
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Target
eeb0579f309f7c084e5b313c4d79106c2ca4f7ea68ff92127077018a05b7c316
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Size
270KB
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MD5
1c1ba9aab0fe6101fe5981644cfeca48
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SHA1
c32496a11684cc7a680f92a64d036e68bace27ab
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SHA256
eeb0579f309f7c084e5b313c4d79106c2ca4f7ea68ff92127077018a05b7c316
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SHA512
698763916ee04994b75638eb12e01f3c17a9a74f97cb87867c5a112cf48213f3fd418abeec6d714c5d6468a4f413ce612c5dfb2f0cc91d9a36d781158bb9c30e
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MedusaLocker Payload
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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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Modifies boot configuration data using bcdedit
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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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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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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 desktop.ini file(s)
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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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
1File Deletion
3Modify Registry
4Virtualization/Sandbox Evasion
1