General
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Target
bc1d715110d34c705944635aa9d31ea7.exe
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Size
161KB
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Sample
240306-gxj7bsea38
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MD5
bc1d715110d34c705944635aa9d31ea7
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SHA1
61fe5b0107489bd36600dae217c3ef6863bfde23
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SHA256
ce46c89555525a74ecc82cd2291e6f93427558887c18923eaca699be08a090de
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SHA512
d651965d279f22f5f3f57b7d5e4a356f12e67e3a77fa25389bd9abb260bbcd87d7607f89bfa6cccf67c92f97dc9923b171dcd889b5479dad3728ce4ea6b9d824
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SSDEEP
3072:QiZUCzGvz/JqhqOeM3JohWsGZ1bRCXfS:Q6UCy/JdgpDZd0
Static task
static1
Behavioral task
behavioral1
Sample
bc1d715110d34c705944635aa9d31ea7.exe
Resource
win7-20240215-en
Behavioral task
behavioral2
Sample
bc1d715110d34c705944635aa9d31ea7.exe
Resource
win10v2004-20240226-en
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2022
http://trad-einmyus.com/index.php
http://tradein-myus.com/index.php
http://trade-inmyus.com/index.php
Extracted
djvu
http://sajdfue.com/test1/get.php
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extension
.wisz
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offline_id
4p0Nzrg1q0ND5of5Gtp2UBjthSXuE8VxnMrd4vt1
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payload_url
http://sdfjhuz.com/dl/build2.exe
http://sajdfue.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
8.1
e2da5861d01d391b927839bbec00e666
https://steamcommunity.com/profiles/76561199649267298
https://t.me/uprizin
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profile_id_v2
e2da5861d01d391b927839bbec00e666
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user_agent
Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/110.0.0.0 Safari/537.36 OPR/96.0.0.0
Extracted
lumma
https://resergvearyinitiani.shop/api
https://technologyenterdo.shop/api
https://detectordiscusser.shop/api
https://turkeyunlikelyofw.shop/api
https://associationokeo.shop/api
Targets
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Target
bc1d715110d34c705944635aa9d31ea7.exe
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Size
161KB
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MD5
bc1d715110d34c705944635aa9d31ea7
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SHA1
61fe5b0107489bd36600dae217c3ef6863bfde23
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SHA256
ce46c89555525a74ecc82cd2291e6f93427558887c18923eaca699be08a090de
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SHA512
d651965d279f22f5f3f57b7d5e4a356f12e67e3a77fa25389bd9abb260bbcd87d7607f89bfa6cccf67c92f97dc9923b171dcd889b5479dad3728ce4ea6b9d824
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SSDEEP
3072:QiZUCzGvz/JqhqOeM3JohWsGZ1bRCXfS:Q6UCy/JdgpDZd0
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Detect Vidar Stealer
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Detected Djvu ransomware
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Glupteba payload
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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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Deletes itself
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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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Adds Run key to start application
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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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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1