General
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Target
fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc_JC.exe
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Size
1.4MB
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Sample
230923-yayjwabh49
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MD5
5a3b9e26d0562313dc6c967d9f44c60d
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SHA1
4b8705775cd2dc3615ff0ffce5b067f4c7360f6d
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SHA256
fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc
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SHA512
5bd72da9082f397a6d59dd25101dcf9980e217961c12249ff1b495d33eb2577fd713985f7487ecf23cb57675f53a9dbeb0aef1cc4f32489e0b895d33d2d61aa3
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SSDEEP
24576:tylrrfrV3Rq5RLRgr97S381J0zMDtrAz2gAdr8wcwZ0ixYXW5CO3sFySK/0BfNM:I1rfrV3RSxRAfezMZEzt+Q9wZj4QCwI2
Static task
static1
Behavioral task
behavioral1
Sample
fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
fabookie
http://app.nnnaajjjgc.com/check/safe
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
redline
trush
77.91.124.82:19071
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auth_value
c13814867cde8193679cd0cad2d774be
Targets
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Target
fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc_JC.exe
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Size
1.4MB
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MD5
5a3b9e26d0562313dc6c967d9f44c60d
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SHA1
4b8705775cd2dc3615ff0ffce5b067f4c7360f6d
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SHA256
fc18db83372bbba3bf7022910d2c5e8bbec0b1fa7afaf0c63f3be478e0ae9acc
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SHA512
5bd72da9082f397a6d59dd25101dcf9980e217961c12249ff1b495d33eb2577fd713985f7487ecf23cb57675f53a9dbeb0aef1cc4f32489e0b895d33d2d61aa3
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SSDEEP
24576:tylrrfrV3Rq5RLRgr97S381J0zMDtrAz2gAdr8wcwZ0ixYXW5CO3sFySK/0BfNM:I1rfrV3RSxRAfezMZEzt+Q9wZj4QCwI2
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect Fabookie payload
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Detects Healer an antivirus disabler dropper
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Glupteba payload
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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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XMRig Miner payload
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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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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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
3Disable or Modify Tools
3Modify Registry
6Scripting
1Subvert Trust Controls
1Install Root Certificate
1