General
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Target
492072d033edf6ed617f46060b250de50deac9027c35fa8ed07318d594a30d7c_JC.exe
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Size
1.4MB
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Sample
230923-xafhmahf4v
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MD5
e919f97c108e9592d4267e2bbdcc0cdc
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SHA1
fc8a5bf5dfcdad00b228fba38e501d11bf0e3536
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SHA256
492072d033edf6ed617f46060b250de50deac9027c35fa8ed07318d594a30d7c
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SHA512
d9211924da173dbe466e93e498203abc5d087c757e1d681bfc7fa2593fc25764b0ab6dd8a16e791aa4320393280052a59a258c1d9648d7055b0fabe1f39e504a
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SSDEEP
24576:syCCjEh2YZzMTrnwAmmxMboL4ItWvmft/3mpWdkxdhE8WMl+WyQ8F:bCyEwYZzGnnmjboL4Bvq37kxdQw+WZ
Static task
static1
Behavioral task
behavioral1
Sample
492072d033edf6ed617f46060b250de50deac9027c35fa8ed07318d594a30d7c_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
492072d033edf6ed617f46060b250de50deac9027c35fa8ed07318d594a30d7c_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
fabookie
http://app.nnnaajjjgc.com/check/safe
Extracted
redline
trush
77.91.124.82:19071
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auth_value
c13814867cde8193679cd0cad2d774be
Targets
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Target
492072d033edf6ed617f46060b250de50deac9027c35fa8ed07318d594a30d7c_JC.exe
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Size
1.4MB
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MD5
e919f97c108e9592d4267e2bbdcc0cdc
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SHA1
fc8a5bf5dfcdad00b228fba38e501d11bf0e3536
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SHA256
492072d033edf6ed617f46060b250de50deac9027c35fa8ed07318d594a30d7c
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SHA512
d9211924da173dbe466e93e498203abc5d087c757e1d681bfc7fa2593fc25764b0ab6dd8a16e791aa4320393280052a59a258c1d9648d7055b0fabe1f39e504a
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SSDEEP
24576:syCCjEh2YZzMTrnwAmmxMboL4ItWvmft/3mpWdkxdhE8WMl+WyQ8F:bCyEwYZzGnnmjboL4Bvq37kxdQw+WZ
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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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Modifies boot configuration data using bcdedit
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XMRig Miner payload
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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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
4Disable or Modify Tools
3Modify Registry
6Scripting
1Subvert Trust Controls
1Install Root Certificate
1