General
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Target
82ebd4bfcb7cdee04ada9c6f3a7eadf0b02c57a99eb54d5a01c2d531e7ec7d4a
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Size
753KB
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Sample
230216-qrty1shc8y
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MD5
e93aa966bb43f850af9106bbfc60d14a
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SHA1
bcbedd2d2508727a13a2fa5040503077049f3d12
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SHA256
82ebd4bfcb7cdee04ada9c6f3a7eadf0b02c57a99eb54d5a01c2d531e7ec7d4a
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SHA512
98233888c4a10d9e3765218fc0ea5c671d8ddc18ef2e68e555b9effdf4d2003026b7fa358d865679313d67395e89925b4788152b58d5d78de53a18f8788303b7
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SSDEEP
12288:xpnDziZLrBlkiF+fVaygrpIx3toqeVLcso7kyS6ylfXJjPM45KfJK5Q4NKmiCAH6:xh3ALluu+f8CXoqeVLGny1PXKU5Qhmii
Static task
static1
Behavioral task
behavioral1
Sample
82ebd4bfcb7cdee04ada9c6f3a7eadf0b02c57a99eb54d5a01c2d531e7ec7d4a.exe
Resource
win10-20220901-en
Malware Config
Extracted
djvu
http://bihsy.com/test2/get.php
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extension
.hhee
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offline_id
dMMXkgwQTycP13C5xwPbHDSzhx1ZxiPgIMZXewt1
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payload_url
http://uaery.top/dl/build2.exe
http://bihsy.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
2.5
19
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profile_id
19
Targets
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Target
82ebd4bfcb7cdee04ada9c6f3a7eadf0b02c57a99eb54d5a01c2d531e7ec7d4a
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Size
753KB
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MD5
e93aa966bb43f850af9106bbfc60d14a
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SHA1
bcbedd2d2508727a13a2fa5040503077049f3d12
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SHA256
82ebd4bfcb7cdee04ada9c6f3a7eadf0b02c57a99eb54d5a01c2d531e7ec7d4a
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SHA512
98233888c4a10d9e3765218fc0ea5c671d8ddc18ef2e68e555b9effdf4d2003026b7fa358d865679313d67395e89925b4788152b58d5d78de53a18f8788303b7
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SSDEEP
12288:xpnDziZLrBlkiF+fVaygrpIx3toqeVLcso7kyS6ylfXJjPM45KfJK5Q4NKmiCAH6:xh3ALluu+f8CXoqeVLGny1PXKU5Qhmii
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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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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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