General
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Target
JC_b5019c0273e01b49279aad834879eef43e73fd4b9187dc89ed0b07c88a8c9781
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Size
261KB
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Sample
230918-xcpt3sca3x
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MD5
cae37882ec22810e535b113d13d784d1
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SHA1
176b2c8188b71fa3c342358c20ba40b62fafb044
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SHA256
b5019c0273e01b49279aad834879eef43e73fd4b9187dc89ed0b07c88a8c9781
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SHA512
4d410f0bdc7e370b2bcb3357887e9c5caf36f9e65430ceb05eb8b414b9c9f0db3c608b7fda6b51263e32d20200ce89e7f941538cf82054a5898269d2a1f98569
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SSDEEP
6144:ufvJm09zORs+z/TMify9DAOZqQWUKGR/8/:uHw09CK5NiEF/8/
Static task
static1
Behavioral task
behavioral1
Sample
JC_b5019c0273e01b49279aad834879eef43e73fd4b9187dc89ed0b07c88a8c9781.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
JC_b5019c0273e01b49279aad834879eef43e73fd4b9187dc89ed0b07c88a8c9781.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
smokeloader
2022
http://77.91.68.29/fks/
Extracted
redline
0305
185.215.113.25:10195
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auth_value
c86205ff1cc37b2da12f0190adfda52c
Extracted
smokeloader
up3
Extracted
redline
LegendaryInstalls_20230918
62.72.23.19:80
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auth_value
7e2e28855818d91285389c56372566f4
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Targets
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Target
JC_b5019c0273e01b49279aad834879eef43e73fd4b9187dc89ed0b07c88a8c9781
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Size
261KB
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MD5
cae37882ec22810e535b113d13d784d1
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SHA1
176b2c8188b71fa3c342358c20ba40b62fafb044
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SHA256
b5019c0273e01b49279aad834879eef43e73fd4b9187dc89ed0b07c88a8c9781
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SHA512
4d410f0bdc7e370b2bcb3357887e9c5caf36f9e65430ceb05eb8b414b9c9f0db3c608b7fda6b51263e32d20200ce89e7f941538cf82054a5898269d2a1f98569
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SSDEEP
6144:ufvJm09zORs+z/TMify9DAOZqQWUKGR/8/:uHw09CK5NiEF/8/
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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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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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Modifies boot configuration data using bcdedit
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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 Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
3Disable or Modify Tools
2Modify Registry
5Scripting
1Subvert Trust Controls
1Install Root Certificate
1