General
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Target
CA8C28106EF4CF7701356BD97E2EBED2.exe
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Size
2.6MB
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Sample
210717-gsrgqtvwre
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MD5
ca8c28106ef4cf7701356bd97e2ebed2
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SHA1
be2a4ae8f81547cefa42d31234df5f69555a3ef1
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SHA256
8c7964362c125bf14139540436ac14612f600b36b92fe85f5a63cbf0090ce3d5
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SHA512
1dfc7186c43be50299a758500d17158e2ba1a313e4461344d2d5689f0a990d7f4f3c4f7f3689af8644f93dc63277f50fef44d403c54e1539a1dff2bbc59296a8
Static task
static1
Behavioral task
behavioral1
Sample
CA8C28106EF4CF7701356BD97E2EBED2.exe
Resource
win7v20210408
Malware Config
Extracted
redline
Cana01
176.111.174.254:56328
Extracted
vidar
39.5
933
https://olegf9844.tumblr.com/
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profile_id
933
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Extracted
vidar
39.6
865
https://sslamlssa1.tumblr.com/
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profile_id
865
Targets
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Target
CA8C28106EF4CF7701356BD97E2EBED2.exe
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Size
2.6MB
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MD5
ca8c28106ef4cf7701356bd97e2ebed2
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SHA1
be2a4ae8f81547cefa42d31234df5f69555a3ef1
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SHA256
8c7964362c125bf14139540436ac14612f600b36b92fe85f5a63cbf0090ce3d5
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SHA512
1dfc7186c43be50299a758500d17158e2ba1a313e4461344d2d5689f0a990d7f4f3c4f7f3689af8644f93dc63277f50fef44d403c54e1539a1dff2bbc59296a8
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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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Suspicious use of NtCreateProcessExOtherParentProcess
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Nirsoft
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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 BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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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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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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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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