General
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Target
21500B8F26A794E243DB18E50B19604F.exe
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Size
4.5MB
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Sample
210614-t6g5zt73r2
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MD5
21500b8f26a794e243db18e50b19604f
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SHA1
026efe006209bb1b0da8da054f0d3a6c3080eecd
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SHA256
9f502d67a0bf8c88a2569789a6ac21bd3bf80840b5eabcabffb6c493f7ba475e
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SHA512
9edcf82233c2b60426933c963a2ff733234f415923f47677b795566347e0b7af49ada81f0c060d38b8527b66df9422b131af598ca65a86ef1a4b83c39eea69db
Static task
static1
Behavioral task
behavioral1
Sample
21500B8F26A794E243DB18E50B19604F.exe
Resource
win7v20210408
Behavioral task
behavioral2
Sample
21500B8F26A794E243DB18E50B19604F.exe
Resource
win10v20210408
Malware Config
Extracted
vidar
39.3
706
https://bandakere.tumblr.com
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profile_id
706
Extracted
smokeloader
2020
http://ppcspb.com/upload/
http://mebbing.com/upload/
http://twcamel.com/upload/
http://howdycash.com/upload/
http://lahuertasonora.com/upload/
http://kpotiques.com/upload/
Targets
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Target
21500B8F26A794E243DB18E50B19604F.exe
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Size
4.5MB
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MD5
21500b8f26a794e243db18e50b19604f
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SHA1
026efe006209bb1b0da8da054f0d3a6c3080eecd
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SHA256
9f502d67a0bf8c88a2569789a6ac21bd3bf80840b5eabcabffb6c493f7ba475e
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SHA512
9edcf82233c2b60426933c963a2ff733234f415923f47677b795566347e0b7af49ada81f0c060d38b8527b66df9422b131af598ca65a86ef1a4b83c39eea69db
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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 NtCreateUserProcessOtherParentProcess
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Checks for common network interception software
Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.
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Vidar Stealer
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Downloads MZ/PE file
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Drops file in Drivers directory
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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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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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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 SetThreadContext
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MITRE ATT&CK Enterprise v6
Defense Evasion
Disabling Security Tools
1File and Directory Permissions Modification
1Install Root Certificate
1Modify Registry
3Web Service
1