General
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Target
file.exe
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Size
987KB
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Sample
230920-kcz9lafa8x
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MD5
b6cab87e438d584a62ffc6a79e51ba2b
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SHA1
f602fe73458306cf8764fd3516d09265a21d1c4b
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SHA256
3b7870b65227bcbbc9c5d71c50b214b4a5feb324afa62b1f1e75cbb422722666
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SHA512
caf7b75da53cfd0e2db5fd08b04693302198eb9c26e8891dea6b11ea7954bd8e55859024ee34d4323ed767b5d5a920a0024c8008c20db70c632e4b60d0bd0989
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SSDEEP
12288:gMrxy90nyU9A3JXW1De3saSzOHSCDb7FiElEyunB3FrLuP2zO3jFiRMmgfLzk:ByzUo5/3pb7FimGrrLuP2zOxqXgfLQ
Static task
static1
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
redline
trush
77.91.124.82:19071
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auth_value
c13814867cde8193679cd0cad2d774be
Targets
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Target
file.exe
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Size
987KB
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MD5
b6cab87e438d584a62ffc6a79e51ba2b
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SHA1
f602fe73458306cf8764fd3516d09265a21d1c4b
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SHA256
3b7870b65227bcbbc9c5d71c50b214b4a5feb324afa62b1f1e75cbb422722666
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SHA512
caf7b75da53cfd0e2db5fd08b04693302198eb9c26e8891dea6b11ea7954bd8e55859024ee34d4323ed767b5d5a920a0024c8008c20db70c632e4b60d0bd0989
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SSDEEP
12288:gMrxy90nyU9A3JXW1De3saSzOHSCDb7FiElEyunB3FrLuP2zO3jFiRMmgfLzk:ByzUo5/3pb7FimGrrLuP2zOxqXgfLQ
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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