General
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Target
3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a
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Size
694KB
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Sample
230404-chzw1scd45
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MD5
5b1538e7d9f6a659292cb7c21e53249c
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SHA1
3940f99a47e68a17266fcdbe1de5a453a7da697b
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SHA256
3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a
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SHA512
a8f583e9e74d4733333783ecfcb8943504f81a43cd78dd32c80200707bd4a0f82385386ce0930902e5dfe8db7e4f19b62c14a06ecf155cfa77a7afb18eee9d20
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SSDEEP
12288:q+ifvjMxsojWLo5t/HZ1jtKvdryDPzifYInrxDtxCvoP567XE:q+wo6ih1jt8y3i1rxe1X
Static task
static1
Behavioral task
behavioral1
Sample
3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a.exe
Resource
win10-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/test2/get.php
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extension
.nifr
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offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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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
3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a
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Size
694KB
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MD5
5b1538e7d9f6a659292cb7c21e53249c
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SHA1
3940f99a47e68a17266fcdbe1de5a453a7da697b
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SHA256
3013721576be8ecd94a1c1d1170887c5ec42b852a1e39f133b571bb9acbe1c1a
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SHA512
a8f583e9e74d4733333783ecfcb8943504f81a43cd78dd32c80200707bd4a0f82385386ce0930902e5dfe8db7e4f19b62c14a06ecf155cfa77a7afb18eee9d20
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SSDEEP
12288:q+ifvjMxsojWLo5t/HZ1jtKvdryDPzifYInrxDtxCvoP567XE:q+wo6ih1jt8y3i1rxe1X
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Detected Djvu ransomware
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Downloads MZ/PE file
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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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