General
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Target
svchost.ex_
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Size
500KB
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Sample
221221-mwyafsfc8z
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MD5
4dc8cae2cfff6ac862aea48b014937bb
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SHA1
80486ca4caa5cb4ce42885dcd66d7a1b4a27d5ce
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SHA256
ab0774b4ac9eb7e50c82abad03293ae39b668e81712b6ceb0d35ffe7e330881b
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SHA512
79eb56d858b21743ca565d22bb56cd3d8e4ecfdf462f03124672dca090c95ca51f8908f8dea22c3631dddba0a1a2bf443f41fdf8bf70e826335bcc56d0def47d
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SSDEEP
12288:YLrjOlAQS+OeO+OeNhBBhhBBYIeVZkD097u8HvaEs1Mm7Q:YLrjSGtVGD05u4yVMm
Malware Config
Extracted
mespinoza
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ransomnote
Hi Company, Every byte on any types of your devices was encrypted. Don't try to use backups because it were encrypted too. To get all your data back contact us: [email protected] [email protected] [email protected] Also, be aware that we downloaded files from your servers and in case of non-payment we will be forced to upload them on our website, and if necessary, we will sell them on the darknet. Check out our website, we just posted there new updates for our partners: http://pysa2bitc5ldeyfak4seeruqymqs4sj5wt5qkcq7aoyg4h2acqieywad.onion/ -------------- FAQ: 1. Q: How can I make sure you don't fooling me? A: You can send us 2 files(max 2mb). 2. Q: What to do to get all data back? A: Don't restart the computer, don't move files and write us. 3. Q: What to tell my boss? A: Protect Your System Amigo.
Targets
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Target
svchost.ex_
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Size
500KB
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MD5
4dc8cae2cfff6ac862aea48b014937bb
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SHA1
80486ca4caa5cb4ce42885dcd66d7a1b4a27d5ce
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SHA256
ab0774b4ac9eb7e50c82abad03293ae39b668e81712b6ceb0d35ffe7e330881b
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SHA512
79eb56d858b21743ca565d22bb56cd3d8e4ecfdf462f03124672dca090c95ca51f8908f8dea22c3631dddba0a1a2bf443f41fdf8bf70e826335bcc56d0def47d
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SSDEEP
12288:YLrjOlAQS+OeO+OeNhBBhhBBYIeVZkD097u8HvaEs1Mm7Q:YLrjSGtVGD05u4yVMm
Score10/10-
Mespinoza Ransomware
Also known as Pysa. Ransomware-as-a-servoce which first appeared in 2020.
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Modifies extensions of user files
Ransomware generally changes the extension on encrypted files.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Deletes itself
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Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
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