General
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Target
03857999.exe
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Size
737KB
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Sample
230619-ragsssfd6y
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MD5
f0e5212551572935a7ccae08e97e657b
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SHA1
c18a6e5debdf3c49df999ec5d17b9b88f5d8bc31
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SHA256
1f4d2a6b21caa102d46713728b872eed9cfedb2037ba9f5853741cb24ad37f21
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SHA512
8e4c98b9c911b234976e1304c8d9462ba77c13b03be1f9669f0cacbcdf8c0b4a7074cfa65c6f7fa0c28b024c37ba511791bb489aae4eba0eeb865d54c3c4a59d
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SSDEEP
12288:x1p/OSHl1L/w0NVuYtUFAJLX8ARpOFMHU5htmxZvGsU043Q8wz4hG51XgQVpAc:x1xrl1NNNtU2TRAy0LtmxZ607z4hA1we
Malware Config
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.ahtw
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offline_id
vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
ATTENTION! Don't worry, you can return all your files! All your files like pictures, databases, documents and other important are encrypted with strongest encryption and unique key. The only method of recovering files is to purchase decrypt tool and unique key for you. This software will decrypt all your encrypted files. What guarantees you have? You can send one of your encrypted file from your PC and we decrypt it for free. But we can decrypt only 1 file for free. File must not contain valuable information. You can get and look video overview decrypt tool: https://we.tl/t-sLaQRb9N6e Price of private key and decrypt software is $980. Discount 50% available if you contact us first 72 hours, that's price for you is $490. Please note that you'll never restore your data without payment. Check your e-mail "Spam" or "Junk" folder if you don't get answer more than 6 hours. To get this software you need write on our e-mail: support@freshmail.top Reserve e-mail address to contact us: datarestorehelp@airmail.cc Your personal ID: 0726Isk
Extracted
vidar
4.3
a129a8292a021d62796bfced1018aa1f
https://steamcommunity.com/profiles/76561199514261168
https://t.me/kamaprimo
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profile_id_v2
a129a8292a021d62796bfced1018aa1f
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user_agent
Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0
Targets
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Target
03857999.exe
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Size
737KB
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MD5
f0e5212551572935a7ccae08e97e657b
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SHA1
c18a6e5debdf3c49df999ec5d17b9b88f5d8bc31
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SHA256
1f4d2a6b21caa102d46713728b872eed9cfedb2037ba9f5853741cb24ad37f21
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SHA512
8e4c98b9c911b234976e1304c8d9462ba77c13b03be1f9669f0cacbcdf8c0b4a7074cfa65c6f7fa0c28b024c37ba511791bb489aae4eba0eeb865d54c3c4a59d
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SSDEEP
12288:x1p/OSHl1L/w0NVuYtUFAJLX8ARpOFMHU5htmxZvGsU043Q8wz4hG51XgQVpAc:x1xrl1NNNtU2TRAy0LtmxZ607z4hA1we
Score10/10-
Detected Djvu ransomware
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Djvu Ransomware
Ransomware which is a variant of the STOP family.
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Vidar
Vidar is an infostealer based on Arkei stealer.
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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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Loads dropped DLL
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Modifies file permissions
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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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Accesses 2FA software files, possible credential harvesting
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Accesses cryptocurrency files/wallets, possible credential harvesting
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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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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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