General
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Target
50190a5e1894a8e0be33bdce6761f82b8d6b7dfd8ea6f514fdd6f82fb4e1d3b7
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Size
731KB
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Sample
240212-fjpzzsdf26
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MD5
1631ad2890c0ea11bdeaa0c7de6be588
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SHA1
8ab8539c0ab10f634306d0de4c8c93c93f983cf8
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SHA256
50190a5e1894a8e0be33bdce6761f82b8d6b7dfd8ea6f514fdd6f82fb4e1d3b7
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SHA512
e918cf1c03adbf72c67e843802ccde0111692bfdba9f9251fe93d5e0e4f00e44e7c98e5f8bd997b2f26027b29a0a1cf75cb10ac4a3f1aed7a351a7c2112616e7
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SSDEEP
12288:iAGLq78qAXl+IjtzTAc2Q7sJO6SeUXYmRqAJsceXoM5yQ6:wLw8q+JzTAc2jOZY8tCSMcl
Static task
static1
Behavioral task
behavioral1
Sample
50190a5e1894a8e0be33bdce6761f82b8d6b7dfd8ea6f514fdd6f82fb4e1d3b7.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
50190a5e1894a8e0be33bdce6761f82b8d6b7dfd8ea6f514fdd6f82fb4e1d3b7.exe
Resource
win10-20231215-en
Malware Config
Extracted
djvu
http://habrafa.com/test1/get.php
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extension
.ldhy
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offline_id
pIGzEr0bxHiTz7xnvNidWeqzKkxMfVdHTyCkzwt1
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payload_url
http://brusuax.com/dl/build2.exe
http://habrafa.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
7.7
655507914130aa0fe72362726c206a7c
https://t.me/newagev
https://steamcommunity.com/profiles/76561199631487327
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profile_id_v2
655507914130aa0fe72362726c206a7c
Targets
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Target
50190a5e1894a8e0be33bdce6761f82b8d6b7dfd8ea6f514fdd6f82fb4e1d3b7
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Size
731KB
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MD5
1631ad2890c0ea11bdeaa0c7de6be588
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SHA1
8ab8539c0ab10f634306d0de4c8c93c93f983cf8
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SHA256
50190a5e1894a8e0be33bdce6761f82b8d6b7dfd8ea6f514fdd6f82fb4e1d3b7
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SHA512
e918cf1c03adbf72c67e843802ccde0111692bfdba9f9251fe93d5e0e4f00e44e7c98e5f8bd997b2f26027b29a0a1cf75cb10ac4a3f1aed7a351a7c2112616e7
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SSDEEP
12288:iAGLq78qAXl+IjtzTAc2Q7sJO6SeUXYmRqAJsceXoM5yQ6:wLw8q+JzTAc2jOZY8tCSMcl
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Detect Vidar Stealer
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Detected Djvu ransomware
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Downloads MZ/PE file
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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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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
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1