General
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Target
ce7755ec3a7e3e663379a26157f93838e0de19b143c6be8568bffc4722b41bc8
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Size
664KB
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Sample
230221-m661cagd7x
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MD5
e2bea73993c9fa4a45dea11c7decd890
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SHA1
c22c715f915d04362567f28b6c08d843937a10ed
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SHA256
ce7755ec3a7e3e663379a26157f93838e0de19b143c6be8568bffc4722b41bc8
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SHA512
ca5d2d8c2e621c4be1f290d12e07ef5c548cbb004662ba856473e979ba5ff003a810ffe5068fe467bcedf32da4efd46bbea05d0399131e93edec527d4493e021
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SSDEEP
12288:Y3HR//TckAjBeR1ViSLslY+/Yql2upq80vJS51x26Tij6jlJS/:Y3xzbAVeRunll/T/ISY6JTS
Static task
static1
Behavioral task
behavioral1
Sample
ce7755ec3a7e3e663379a26157f93838e0de19b143c6be8568bffc4722b41bc8.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
ce7755ec3a7e3e663379a26157f93838e0de19b143c6be8568bffc4722b41bc8.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://jiqaz.com/test1/get.php
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extension
.iowd
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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
ce7755ec3a7e3e663379a26157f93838e0de19b143c6be8568bffc4722b41bc8
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Size
664KB
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MD5
e2bea73993c9fa4a45dea11c7decd890
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SHA1
c22c715f915d04362567f28b6c08d843937a10ed
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SHA256
ce7755ec3a7e3e663379a26157f93838e0de19b143c6be8568bffc4722b41bc8
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SHA512
ca5d2d8c2e621c4be1f290d12e07ef5c548cbb004662ba856473e979ba5ff003a810ffe5068fe467bcedf32da4efd46bbea05d0399131e93edec527d4493e021
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SSDEEP
12288:Y3HR//TckAjBeR1ViSLslY+/Yql2upq80vJS51x26Tij6jlJS/:Y3xzbAVeRunll/T/ISY6JTS
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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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