General
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Target
b249a185429d2b01a1bf5cff5a74b52a562e4958370c7949b4fcb2b17e4cef1b
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Size
804KB
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Sample
230328-rd82fsda9t
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MD5
39254883c42a5ef6f253211356628298
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SHA1
125bad143142ee20b7dd00074ce95891fb6363d2
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SHA256
b249a185429d2b01a1bf5cff5a74b52a562e4958370c7949b4fcb2b17e4cef1b
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SHA512
3c01931131b1d60aa6dfb391e901e47fd03663adade5e626c92a08719cb213a33207d16ad25cdf246aa0eca3c516b5e305f1878b2e2e39599e78193dae9176a3
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SSDEEP
12288:Zfg6FuMlwLB9kv8+XjNv4iUhLASZR8sZ/8zMqheyxiHMMkAy4NzS:l/IMloEU+r8Lx14Mq5xqMXAy4V
Static task
static1
Behavioral task
behavioral1
Sample
b249a185429d2b01a1bf5cff5a74b52a562e4958370c7949b4fcb2b17e4cef1b.exe
Resource
win10-20230220-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
3.1
00d92484c9b27bc8482a2cc94cacc508
https://steamcommunity.com/profiles/76561199472266392
https://t.me/tabootalks
http://135.181.26.183:80
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profile_id_v2
00d92484c9b27bc8482a2cc94cacc508
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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
b249a185429d2b01a1bf5cff5a74b52a562e4958370c7949b4fcb2b17e4cef1b
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Size
804KB
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MD5
39254883c42a5ef6f253211356628298
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SHA1
125bad143142ee20b7dd00074ce95891fb6363d2
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SHA256
b249a185429d2b01a1bf5cff5a74b52a562e4958370c7949b4fcb2b17e4cef1b
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SHA512
3c01931131b1d60aa6dfb391e901e47fd03663adade5e626c92a08719cb213a33207d16ad25cdf246aa0eca3c516b5e305f1878b2e2e39599e78193dae9176a3
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SSDEEP
12288:Zfg6FuMlwLB9kv8+XjNv4iUhLASZR8sZ/8zMqheyxiHMMkAy4NzS:l/IMloEU+r8Lx14Mq5xqMXAy4V
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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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