General
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Target
44AC6FC2F8D02857F9D7A7BFDE1E2376.exe
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Size
3.9MB
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Sample
210813-bk5em7bt5x
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MD5
44ac6fc2f8d02857f9d7a7bfde1e2376
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SHA1
0e3c85f03fd36cc4001fb68996b53ff8afb17f7e
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SHA256
bae14391cbc9ddb999947b70f3975a7309f73d422a02aaa13ae9100baaa0652c
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SHA512
585a915f8669d2303eca95729ec062dbe08907c33e5685f68a0fa563d3ba03f0754b82982c28e74a1f586d5c96872cb1a0c11fb30eec95c3263fcf058ec2cca8
Static task
static1
Behavioral task
behavioral1
Sample
44AC6FC2F8D02857F9D7A7BFDE1E2376.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
44AC6FC2F8D02857F9D7A7BFDE1E2376.exe
Resource
win10v20210410
Malware Config
Extracted
vidar
39.9
706
https://prophefliloc.tumblr.com/
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profile_id
706
Extracted
smokeloader
2020
http://aucmoney.com/upload/
http://thegymmum.com/upload/
http://atvcampingtrips.com/upload/
http://kuapakualaman.com/upload/
http://renatazarazua.com/upload/
http://nasufmutlu.com/upload/
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
40
916
https://lenak513.tumblr.com/
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profile_id
916
Targets
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Target
44AC6FC2F8D02857F9D7A7BFDE1E2376.exe
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Size
3.9MB
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MD5
44ac6fc2f8d02857f9d7a7bfde1e2376
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SHA1
0e3c85f03fd36cc4001fb68996b53ff8afb17f7e
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SHA256
bae14391cbc9ddb999947b70f3975a7309f73d422a02aaa13ae9100baaa0652c
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SHA512
585a915f8669d2303eca95729ec062dbe08907c33e5685f68a0fa563d3ba03f0754b82982c28e74a1f586d5c96872cb1a0c11fb30eec95c3263fcf058ec2cca8
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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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 GCleaner Downloader Activity M1
suricata: ET MALWARE GCleaner Downloader Activity M1
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suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)
suricata: ET MALWARE Observed Elysium Stealer Variant CnC Domain (all-brain-company .xyz in TLS SNI)
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Vidar Stealer
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Downloads MZ/PE file
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Executes dropped EXE
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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Adds Run key to start application
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Legitimate hosting services abused for malware hosting/C2
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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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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Modify Registry
3Disabling Security Tools
1Install Root Certificate
1