General
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Target
da1d55245fc069814f37fb0268d2b12777f0e028bae80d0ebf0e405562ff35d9
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Size
665KB
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Sample
230221-vz9fwsff85
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MD5
63e055dd0cf821240262820b92627311
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SHA1
474b55a29207216afbd5aa16a88e55238e326196
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SHA256
da1d55245fc069814f37fb0268d2b12777f0e028bae80d0ebf0e405562ff35d9
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SHA512
a049b3f44610622fc43bb3e96d459f3716407cc263e7fb0f8e159179ffd3552ffd613a27a13fed681a6e460f50dbebc7fd892e6e3d4fa8aa50285eb38b997483
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SSDEEP
12288:t513mUNKoZa9538xoiaauQa1hAEl8E6jXNcW2KfSIxZYBkDP71kPw:t5x13AD38TvuQkhAEl87XNn2KfSIxZYp
Static task
static1
Behavioral task
behavioral1
Sample
da1d55245fc069814f37fb0268d2b12777f0e028bae80d0ebf0e405562ff35d9.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://jiqaz.com/test2/get.php
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extension
.ioqa
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offline_id
O5Ml6uMfuo0gYusk48e0q49EQlFERyL5eSVQmVt1
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payload_url
http://uaery.top/dl/build2.exe
http://jiqaz.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
2.6
19
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profile_id
19
Targets
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Target
da1d55245fc069814f37fb0268d2b12777f0e028bae80d0ebf0e405562ff35d9
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Size
665KB
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MD5
63e055dd0cf821240262820b92627311
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SHA1
474b55a29207216afbd5aa16a88e55238e326196
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SHA256
da1d55245fc069814f37fb0268d2b12777f0e028bae80d0ebf0e405562ff35d9
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SHA512
a049b3f44610622fc43bb3e96d459f3716407cc263e7fb0f8e159179ffd3552ffd613a27a13fed681a6e460f50dbebc7fd892e6e3d4fa8aa50285eb38b997483
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SSDEEP
12288:t513mUNKoZa9538xoiaauQa1hAEl8E6jXNcW2KfSIxZYBkDP71kPw:t5x13AD38TvuQkhAEl87XNn2KfSIxZYp
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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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