General
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Target
b8f76d9cd83557379f3fe8b5dd080f9a.exe
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Size
274KB
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Sample
210829-kpgtyxj1vj
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MD5
b8f76d9cd83557379f3fe8b5dd080f9a
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SHA1
5420b910b3230a670a79a6193fc76a7864a51967
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SHA256
a92eb964d56ff8dccb926598aca597a6244d10334f264aafcba9752a30dbe9b3
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SHA512
bab66ea8ffc11c79f0312f3d551b6230ae3f7b79125121fd5af8e3310f967aef8b77bafa2552a2fdbd2b08024b5d8719ec3821e47e67ba42e5a66150c30594ac
Static task
static1
Behavioral task
behavioral1
Sample
b8f76d9cd83557379f3fe8b5dd080f9a.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
b8f76d9cd83557379f3fe8b5dd080f9a.exe
Resource
win10v20210408
Malware Config
Extracted
smokeloader
2020
http://readinglistforaugust1.xyz/
http://readinglistforaugust2.xyz/
http://readinglistforaugust3.xyz/
http://readinglistforaugust4.xyz/
http://readinglistforaugust5.xyz/
http://readinglistforaugust6.xyz/
http://readinglistforaugust7.xyz/
http://readinglistforaugust8.xyz/
http://readinglistforaugust9.xyz/
http://readinglistforaugust10.xyz/
http://readinglistforaugust1.site/
http://readinglistforaugust2.site/
http://readinglistforaugust3.site/
http://readinglistforaugust4.site/
http://readinglistforaugust5.site/
http://readinglistforaugust6.site/
http://readinglistforaugust7.site/
http://readinglistforaugust8.site/
http://readinglistforaugust9.site/
http://readinglistforaugust10.site/
http://readinglistforaugust1.club/
http://readinglistforaugust2.club/
http://readinglistforaugust3.club/
http://readinglistforaugust4.club/
http://readinglistforaugust5.club/
http://readinglistforaugust6.club/
http://readinglistforaugust7.club/
http://readinglistforaugust8.club/
http://readinglistforaugust9.club/
http://readinglistforaugust10.club/
Extracted
raccoon
fe582536ec580228180f270f7cb80a867860e010
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url4cnc
https://telete.in/xylichanjk
Extracted
redline
Sergey
51.254.68.139:15009
Extracted
raccoon
d02c5d65069fc7ce1993e7c52edf0c9c4c195c81
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url4cnc
https://telete.in/open3entershift
Extracted
redline
WORD1
94.26.249.88:1902
Extracted
redline
nn
135.181.49.56:47634
Extracted
redline
1000
94.103.9.138:80
Extracted
C:\!!! ALL YOUR FILES ARE ENCRYPTED !!!.TXT
buran
Targets
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Target
b8f76d9cd83557379f3fe8b5dd080f9a.exe
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Size
274KB
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MD5
b8f76d9cd83557379f3fe8b5dd080f9a
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SHA1
5420b910b3230a670a79a6193fc76a7864a51967
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SHA256
a92eb964d56ff8dccb926598aca597a6244d10334f264aafcba9752a30dbe9b3
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SHA512
bab66ea8ffc11c79f0312f3d551b6230ae3f7b79125121fd5af8e3310f967aef8b77bafa2552a2fdbd2b08024b5d8719ec3821e47e67ba42e5a66150c30594ac
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Buran
Ransomware-as-a-service based on the VegaLocker family first identified in 2019.
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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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StormKitty Payload
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Suspicious use of NtCreateProcessExOtherParentProcess
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Turns off Windows Defender SpyNet reporting
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Async RAT payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Nirsoft
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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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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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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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Looks up geolocation information via web service
Uses a legitimate geolocation service to find the infected system's geolocation info.
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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
2New Service
1Registry Run Keys / Startup Folder
2Scheduled Task
1Defense Evasion
Bypass User Account Control
1Disabling Security Tools
5File Deletion
2Install Root Certificate
1Modify Registry
10Virtualization/Sandbox Evasion
1Web Service
1