General
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Target
44d648bfd0f341fb9c9d10a42c0261c7455eb3fbcdd59c93ddad4211b6380452
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Size
203KB
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Sample
240401-fj3k3sea6v
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MD5
2c4aebcc97030695e4eae570e2aa1f1a
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SHA1
b43be65cd79153d07a8959d06583a87650c59699
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SHA256
44d648bfd0f341fb9c9d10a42c0261c7455eb3fbcdd59c93ddad4211b6380452
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SHA512
fa99384bc9b5ccb21f0859576d3a420ad6118849fe2892c53e7782096a14d3b9ceb86fb528ce362612d131194c5562ba57190315359e2573564bb2267297f8ee
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SSDEEP
3072:bKIdo3wKvh4ZsXLK0aWcfX98+8spxn0bDU+OWJ:bK/3wKvh4ZXnX98Bs3nk
Static task
static1
Behavioral task
behavioral1
Sample
44d648bfd0f341fb9c9d10a42c0261c7455eb3fbcdd59c93ddad4211b6380452.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
44d648bfd0f341fb9c9d10a42c0261c7455eb3fbcdd59c93ddad4211b6380452.exe
Resource
win10-20240319-en
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Extracted
djvu
http://sajdfue.com/test1/get.php
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extension
.vook
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offline_id
1eSPzWRaNslCgtjBZfL5pzvovoiaVI4IZSnvAwt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/122.0.0.0 Safari/537.36
Targets
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Target
44d648bfd0f341fb9c9d10a42c0261c7455eb3fbcdd59c93ddad4211b6380452
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Size
203KB
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MD5
2c4aebcc97030695e4eae570e2aa1f1a
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SHA1
b43be65cd79153d07a8959d06583a87650c59699
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SHA256
44d648bfd0f341fb9c9d10a42c0261c7455eb3fbcdd59c93ddad4211b6380452
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SHA512
fa99384bc9b5ccb21f0859576d3a420ad6118849fe2892c53e7782096a14d3b9ceb86fb528ce362612d131194c5562ba57190315359e2573564bb2267297f8ee
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SSDEEP
3072:bKIdo3wKvh4ZsXLK0aWcfX98+8spxn0bDU+OWJ:bK/3wKvh4ZXnX98Bs3nk
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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 Vidar Stealer
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Detected Djvu ransomware
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Glupteba payload
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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 Installed Components in the registry
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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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Deletes itself
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Executes dropped EXE
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Loads dropped DLL
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Modifies file permissions
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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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Legitimate hosting services abused for malware hosting/C2
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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v13
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Defense Evasion
Impair Defenses
4Disable or Modify Tools
2Disable or Modify System Firewall
1Modify Registry
5File and Directory Permissions Modification
1Subvert Trust Controls
1Install Root Certificate
1