General
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Target
1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9
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Size
838KB
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Sample
240114-175esseca6
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MD5
1f940a42c9441ea89bc4003de7dd477a
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SHA1
50d68efbd5390fa9421696fe86a03a893b0b12e4
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SHA256
1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9
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SHA512
bc393859e58a89701ebdd92bff35d8265ec991ecdc9bcb9db47c246b309b70ae142320092157f74f0ea6b34171034820589d5807a17451a051eeb61d366dad99
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SSDEEP
12288:R0+9YhTj9yMkBAONeXiIb/a4jCbKt/uIKfzLkhs34JKywTvcmK:V9YB9GBZNeXj/01zL71TEmK
Static task
static1
Behavioral task
behavioral1
Sample
1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9.exe
Resource
win10-20231215-en
Malware Config
Extracted
djvu
http://habrafa.com/test1/get.php
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extension
.cdpo
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offline_id
Bn3q97hwLouKbhkQRNO4SeV07gjdEQVm8NKhg0t1
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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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Targets
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Target
1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9
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Size
838KB
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MD5
1f940a42c9441ea89bc4003de7dd477a
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SHA1
50d68efbd5390fa9421696fe86a03a893b0b12e4
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SHA256
1a00b83b89579d21ffdfa114fc9cc74e283807af6bc1261d20e218953f8569a9
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SHA512
bc393859e58a89701ebdd92bff35d8265ec991ecdc9bcb9db47c246b309b70ae142320092157f74f0ea6b34171034820589d5807a17451a051eeb61d366dad99
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SSDEEP
12288:R0+9YhTj9yMkBAONeXiIb/a4jCbKt/uIKfzLkhs34JKywTvcmK:V9YB9GBZNeXj/01zL71TEmK
Score10/10-
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 Enterprise v15
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