General
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Target
B499D366F01242597E6386FCBBBACFB7.exe
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Size
3.8MB
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Sample
210613-p4xphz8dzj
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MD5
b499d366f01242597e6386fcbbbacfb7
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SHA1
f4555ab40925523a3183adb353cde2d80aa5fad8
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SHA256
b566e04e4dde55640065fa942fcfa35ec3cb5f0c8b6057bfd0039ac4ebbc65f7
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SHA512
136fe6b35f1df85f5ea4121a1d3d64f54fbc6d5384ebfa9d69a4dd0c3e1073afd4592b62261080925513d4fa9b71a616d1c8e1e8cedb2a63e39d6b7b14a59401
Static task
static1
Behavioral task
behavioral1
Sample
B499D366F01242597E6386FCBBBACFB7.exe
Resource
win7v20210410
Behavioral task
behavioral2
Sample
B499D366F01242597E6386FCBBBACFB7.exe
Resource
win10v20210410
Malware Config
Extracted
redline
PUB57-1
pupdatastart.store:80
pupdata.online:80
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
B499D366F01242597E6386FCBBBACFB7.exe
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Size
3.8MB
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MD5
b499d366f01242597e6386fcbbbacfb7
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SHA1
f4555ab40925523a3183adb353cde2d80aa5fad8
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SHA256
b566e04e4dde55640065fa942fcfa35ec3cb5f0c8b6057bfd0039ac4ebbc65f7
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SHA512
136fe6b35f1df85f5ea4121a1d3d64f54fbc6d5384ebfa9d69a4dd0c3e1073afd4592b62261080925513d4fa9b71a616d1c8e1e8cedb2a63e39d6b7b14a59401
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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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Nirsoft
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Vidar Stealer
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Blocklisted process makes network request
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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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Program crash
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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
4Web Service
1