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General
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Target
4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4
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Size
700KB
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Sample
230301-k7yn9afe66
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MD5
b37dbbda5cccadaf790a2f4ba521655c
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SHA1
ff1b5b752b332e58fa677f94439b6794163845cc
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SHA256
4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4
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SHA512
6a12f635653846488adc8c228aca1e4fd317f15210c7f74397148cf61a58d88128f18e40bf52bd51acc18447b63143e7fec2ec20c9b481475733f6b0bb35067a
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SSDEEP
12288:BTrSALLMFjbd4ZoBt6pC1ImD7DAf6SPddH6jUx2JKcS3wmxk8ibCmn3tdM0/Poyc:JrSAOjGZoBhIcDo3PdZ6jUxMtO28Lm3L
Static task
static1
Behavioral task
behavioral1
Sample
4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://jiqaz.com/test1/get.php
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extension
.qowd
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offline_id
Xh1imMzV8WzAm0eIWyn37eXohcBDjfS7qtFBdEt1
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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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Targets
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Target
4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4
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Size
700KB
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MD5
b37dbbda5cccadaf790a2f4ba521655c
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SHA1
ff1b5b752b332e58fa677f94439b6794163845cc
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SHA256
4900e1dfd6cf81b5777329dbfa0281b5ddd20627f87abed1dc89095ff0c5edb4
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SHA512
6a12f635653846488adc8c228aca1e4fd317f15210c7f74397148cf61a58d88128f18e40bf52bd51acc18447b63143e7fec2ec20c9b481475733f6b0bb35067a
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SSDEEP
12288:BTrSALLMFjbd4ZoBt6pC1ImD7DAf6SPddH6jUx2JKcS3wmxk8ibCmn3tdM0/Poyc:JrSAOjGZoBhIcDo3PdZ6jUxMtO28Lm3L
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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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