General
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Target
eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78
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Size
728KB
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Sample
240706-pem49syarr
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MD5
47fb0e536d5599d7068e0d62b611e456
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SHA1
397498ba1ce9c44e6093bbb19ebbdc4719f89f06
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SHA256
eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78
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SHA512
b7496968ea6d1cfb472e8d401ff3fd5689917d96e6bfcedd599bbb19549790a5eceeef1f49090c32713d4d142392f2c033249c71a58d017741aaab3d7d25d24d
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SSDEEP
12288:l8XNY7Vs9aJB9l+wrHbnrtGBTqPU2QW5wr1/SVGBBzC5gSLuzt7M+ZLZVcDV:lOcVs9sBDzrHLr6iQ3iG2BLGXUDV
Static task
static1
Behavioral task
behavioral1
Sample
eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78.exe
Resource
win10v2004-20240704-en
Behavioral task
behavioral2
Sample
eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78.exe
Resource
win11-20240704-en
Malware Config
Extracted
djvu
http://cajgtus.com/test2/get.php
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extension
.waqa
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offline_id
Lc3VTezPWbMhuVAQFzJUdeA68PwI7UDpc5aKHYt1
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payload_url
http://defgyma.com/dl/build2.exe
http://cajgtus.com/files/1/build3.exe
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ransomnote
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Targets
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Target
eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78
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Size
728KB
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MD5
47fb0e536d5599d7068e0d62b611e456
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SHA1
397498ba1ce9c44e6093bbb19ebbdc4719f89f06
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SHA256
eda25d91a02fafb1a3ece6bfd943ba34693e6a67f75ad492ff13a5f36cdf5c78
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SHA512
b7496968ea6d1cfb472e8d401ff3fd5689917d96e6bfcedd599bbb19549790a5eceeef1f49090c32713d4d142392f2c033249c71a58d017741aaab3d7d25d24d
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SSDEEP
12288:l8XNY7Vs9aJB9l+wrHbnrtGBTqPU2QW5wr1/SVGBBzC5gSLuzt7M+ZLZVcDV:lOcVs9sBDzrHLr6iQ3iG2BLGXUDV
Score10/10-
Detected Djvu ransomware
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Downloads MZ/PE file
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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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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
1Scheduled Task
1