General
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Target
35b28af7605694de5b0386418ab892b6.exe
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Size
317KB
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Sample
210726-a7fal1z2lx
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MD5
35b28af7605694de5b0386418ab892b6
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SHA1
827b1315f45b797ff83f3ee5a5dc993bf1180284
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SHA256
6942f06c0718cbc965d52519949816c8c77bc9bca7cc654802ea6841c35fe3b3
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SHA512
28c529aa6677a5ba23e5682dc61cb894dd0a43a39de7ab337d46ba2fc7d62c44f32ebb65b9db7aded68f12821dcf68a7ffb5c65a4953f871c273862176d13eca
Static task
static1
Malware Config
Extracted
smokeloader
2020
http://readinglistforjuly1.xyz/
http://readinglistforjuly2.xyz/
http://readinglistforjuly3.xyz/
http://readinglistforjuly4.xyz/
http://readinglistforjuly5.xyz/
http://readinglistforjuly6.xyz/
http://readinglistforjuly7.xyz/
http://readinglistforjuly8.xyz/
http://readinglistforjuly9.xyz/
http://readinglistforjuly10.xyz/
http://readinglistforjuly1.site/
http://readinglistforjuly2.site/
http://readinglistforjuly3.site/
http://readinglistforjuly4.site/
http://readinglistforjuly5.site/
http://readinglistforjuly6.site/
http://readinglistforjuly7.site/
http://readinglistforjuly8.site/
http://readinglistforjuly9.site/
http://readinglistforjuly10.site/
http://readinglistforjuly1.club/
http://readinglistforjuly2.club/
http://readinglistforjuly3.club/
http://readinglistforjuly4.club/
http://readinglistforjuly5.club/
http://readinglistforjuly6.club/
http://readinglistforjuly7.club/
http://readinglistforjuly8.club/
http://readinglistforjuly9.club/
http://readinglistforjuly10.club/
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
Extracted
vidar
39.7
408
https://shpak125.tumblr.com/
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profile_id
408
Extracted
vidar
39.7
824
https://shpak125.tumblr.com/
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profile_id
824
Extracted
vidar
39.7
517
https://shpak125.tumblr.com/
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profile_id
517
Extracted
redline
Market
salanoajalio.xyz:80
Targets
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Target
35b28af7605694de5b0386418ab892b6.exe
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Size
317KB
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MD5
35b28af7605694de5b0386418ab892b6
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SHA1
827b1315f45b797ff83f3ee5a5dc993bf1180284
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SHA256
6942f06c0718cbc965d52519949816c8c77bc9bca7cc654802ea6841c35fe3b3
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SHA512
28c529aa6677a5ba23e5682dc61cb894dd0a43a39de7ab337d46ba2fc7d62c44f32ebb65b9db7aded68f12821dcf68a7ffb5c65a4953f871c273862176d13eca
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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 Potential Dridex.Maldoc Minimal Executable Request
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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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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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Modifies file permissions
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Drops file in System32 directory
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Suspicious use of NtCreateThreadExHideFromDebugger
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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
2Defense Evasion
Disabling Security Tools
1Modify Registry
4Virtualization/Sandbox Evasion
1File Permissions Modification
1Install Root Certificate
1