General
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Target
57f59a4d80d277578e6ebfb070dc69119e9e23eeabda5ea43267dee371c76454_JC.exe
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Size
269KB
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Sample
230928-xv9xzafb42
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MD5
bdab48e51ad2ba63ecf44c4fc6888b49
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SHA1
a7d472a6d7caf102946c975afb8c857d87a12174
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SHA256
57f59a4d80d277578e6ebfb070dc69119e9e23eeabda5ea43267dee371c76454
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SHA512
972b138a285e64e3c1876a9297f56f48fbb17a31b4ffba1beb1efc9bf57d6a951519596df5084f8a472da8f2118eb8b02b6798dc052ca606db0e59bf4fd52258
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SSDEEP
6144:WcKctlMQMY6Vo++E0R6gFAO09qKbT0g35:WcxtiQMYlXq9qa35
Static task
static1
Behavioral task
behavioral1
Sample
57f59a4d80d277578e6ebfb070dc69119e9e23eeabda5ea43267dee371c76454_JC.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
57f59a4d80d277578e6ebfb070dc69119e9e23eeabda5ea43267dee371c76454_JC.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
smokeloader
up3
Extracted
redline
YT LOGS CLOUD
176.123.4.46:33783
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auth_value
f423cd8452a39820862c1ea501db4ccf
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
fabookie
http://app.nnnaajjjgc.com/check/safe
Extracted
redline
luate
77.91.124.55:19071
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auth_value
e45cd419aba6c9d372088ffe5629308b
Extracted
redline
gruha
77.91.124.55:19071
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auth_value
2f4cf2e668a540e64775b27535cc6892
Targets
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Target
57f59a4d80d277578e6ebfb070dc69119e9e23eeabda5ea43267dee371c76454_JC.exe
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Size
269KB
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MD5
bdab48e51ad2ba63ecf44c4fc6888b49
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SHA1
a7d472a6d7caf102946c975afb8c857d87a12174
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SHA256
57f59a4d80d277578e6ebfb070dc69119e9e23eeabda5ea43267dee371c76454
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SHA512
972b138a285e64e3c1876a9297f56f48fbb17a31b4ffba1beb1efc9bf57d6a951519596df5084f8a472da8f2118eb8b02b6798dc052ca606db0e59bf4fd52258
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SSDEEP
6144:WcKctlMQMY6Vo++E0R6gFAO09qKbT0g35:WcxtiQMYlXq9qa35
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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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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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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Create or Modify System Process
2Windows Service
2Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Modify Registry
5Impair Defenses
4Disable or Modify Tools
3Scripting
1Subvert Trust Controls
1Install Root Certificate
1