General
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Target
cdcaae5709190ead7b126d3f06456d9f.exe
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Size
325KB
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Sample
210728-l68lvkvtrj
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MD5
cdcaae5709190ead7b126d3f06456d9f
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SHA1
3548a576e212c7924413e58157b697a66a2d0077
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SHA256
d3849946eb2dd2aa6bebcddb30751a4a99bc05ee5011db3f5081df2f970a1854
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SHA512
7ae08e1fb93073854391d4a6748d6e7b2e3e899fed999f3c79f946b5b94b4c88fd03c49fbdda222b71820a6fd97c3e64fcdab1737a3a238c898950bea8abb749
Static task
static1
Behavioral task
behavioral1
Sample
cdcaae5709190ead7b126d3f06456d9f.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
cdcaae5709190ead7b126d3f06456d9f.exe
Resource
win10v20210408
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/
Extracted
vidar
39.8
828
https://xeronxikxxx.tumblr.com/
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profile_id
828
Targets
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Target
cdcaae5709190ead7b126d3f06456d9f.exe
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Size
325KB
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MD5
cdcaae5709190ead7b126d3f06456d9f
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SHA1
3548a576e212c7924413e58157b697a66a2d0077
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SHA256
d3849946eb2dd2aa6bebcddb30751a4a99bc05ee5011db3f5081df2f970a1854
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SHA512
7ae08e1fb93073854391d4a6748d6e7b2e3e899fed999f3c79f946b5b94b4c88fd03c49fbdda222b71820a6fd97c3e64fcdab1737a3a238c898950bea8abb749
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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 Vidar/Arkei Stealer Client Data Upload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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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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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
1Defense Evasion
Disabling Security Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1Install Root Certificate
1