General
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Target
b539b7ae7809c0176ac5f095e97f7ca34e87302be107a32bd52733fdc7ef5a6f
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Size
711KB
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Sample
230221-fhp9csfe7z
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MD5
e703fdec53502a33899a69a88033a1e9
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SHA1
8df68f60069eadcd4a039d8a87f9c88ba7aba327
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SHA256
b539b7ae7809c0176ac5f095e97f7ca34e87302be107a32bd52733fdc7ef5a6f
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SHA512
88722aa1a762b23346eee3c945917ae31cf691662d6a73b376468871c3f3183d67e257579cf1a5a699b3bbb38ac3156a88ef6d250dc2f42d91481edd3207eb4b
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SSDEEP
12288:Ivvb/JyBlspAfh1Ls7MlORaTGFt996rNGV9+AwaMtoFoZbqVhoK8jd6:GJgS00Q3T4EcV4OM9K8jd6
Static task
static1
Behavioral task
behavioral1
Sample
b539b7ae7809c0176ac5f095e97f7ca34e87302be107a32bd52733fdc7ef5a6f.exe
Resource
win10v2004-20230220-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
b539b7ae7809c0176ac5f095e97f7ca34e87302be107a32bd52733fdc7ef5a6f
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Size
711KB
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MD5
e703fdec53502a33899a69a88033a1e9
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SHA1
8df68f60069eadcd4a039d8a87f9c88ba7aba327
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SHA256
b539b7ae7809c0176ac5f095e97f7ca34e87302be107a32bd52733fdc7ef5a6f
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SHA512
88722aa1a762b23346eee3c945917ae31cf691662d6a73b376468871c3f3183d67e257579cf1a5a699b3bbb38ac3156a88ef6d250dc2f42d91481edd3207eb4b
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SSDEEP
12288:Ivvb/JyBlspAfh1Ls7MlORaTGFt996rNGV9+AwaMtoFoZbqVhoK8jd6:GJgS00Q3T4EcV4OM9K8jd6
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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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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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