General
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Target
8dec71df55f7027b3df7545f713663b63abec8ec23112aae1ae58fec78e8d5ec
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Size
717KB
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Sample
230331-p8pj7ahe97
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MD5
c31fb9ce577cf5157f179495a2bf6ce8
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SHA1
2adf67c3eb284bec857c964f29c8a774a3db8a6c
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SHA256
8dec71df55f7027b3df7545f713663b63abec8ec23112aae1ae58fec78e8d5ec
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SHA512
31ab5e9fe87ff7bf9676f13e120e3ad7ed9262404244d43b321fe361e55fc511572b39a6a34cb063c9350f5486326b2bd34e1ef0532fd70943d1b8d7f27971e3
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SSDEEP
12288:7czGi2lZ9BcVBtJ+Bo1YTFaVx2M7k8OftncIYtpob2KwgUOVqc0XKBL6lbUF:YzG5nBC2JaVQM7k3+IYtpoa7GMXKBON8
Static task
static1
Behavioral task
behavioral1
Sample
8dec71df55f7027b3df7545f713663b63abec8ec23112aae1ae58fec78e8d5ec.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.jywd
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offline_id
MEMHlobHgXqvmTWaMsLcwGZhDOd00bblO1yevst1
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payload_url
http://uaery.top/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Targets
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Target
8dec71df55f7027b3df7545f713663b63abec8ec23112aae1ae58fec78e8d5ec
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Size
717KB
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MD5
c31fb9ce577cf5157f179495a2bf6ce8
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SHA1
2adf67c3eb284bec857c964f29c8a774a3db8a6c
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SHA256
8dec71df55f7027b3df7545f713663b63abec8ec23112aae1ae58fec78e8d5ec
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SHA512
31ab5e9fe87ff7bf9676f13e120e3ad7ed9262404244d43b321fe361e55fc511572b39a6a34cb063c9350f5486326b2bd34e1ef0532fd70943d1b8d7f27971e3
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SSDEEP
12288:7czGi2lZ9BcVBtJ+Bo1YTFaVx2M7k8OftncIYtpob2KwgUOVqc0XKBL6lbUF:YzG5nBC2JaVQM7k3+IYtpoa7GMXKBON8
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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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