General
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Target
4b53e9b398eb1772e90b44eca22b8ed1748b4b8973762134727512d1a03874b4
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Size
746KB
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Sample
230404-fsvltseg8y
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MD5
76924ec6ce057beae54c23e321a932df
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SHA1
bc608d41626f7f99a63e770bd1fc217b90cb57a1
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SHA256
4b53e9b398eb1772e90b44eca22b8ed1748b4b8973762134727512d1a03874b4
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SHA512
d94c557adb5c1ad8d40f08e0f5d1d26ced77d62ad9f2b89a7a008e85bab13ada007df6a23f66d0ee2b81542372ffb3597f2165b3c3705a36226a7e7d47154b1f
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SSDEEP
12288:9jqKLLI/nZjfxVLJrn1B5UHL+j+wjlmfPRhkUoBFijQeFT9lYNRRtO:BLI/ZrxtJrniWvjEJhp4FissT92NnA
Static task
static1
Behavioral task
behavioral1
Sample
4b53e9b398eb1772e90b44eca22b8ed1748b4b8973762134727512d1a03874b4.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.niwm
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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
4b53e9b398eb1772e90b44eca22b8ed1748b4b8973762134727512d1a03874b4
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Size
746KB
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MD5
76924ec6ce057beae54c23e321a932df
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SHA1
bc608d41626f7f99a63e770bd1fc217b90cb57a1
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SHA256
4b53e9b398eb1772e90b44eca22b8ed1748b4b8973762134727512d1a03874b4
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SHA512
d94c557adb5c1ad8d40f08e0f5d1d26ced77d62ad9f2b89a7a008e85bab13ada007df6a23f66d0ee2b81542372ffb3597f2165b3c3705a36226a7e7d47154b1f
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SSDEEP
12288:9jqKLLI/nZjfxVLJrn1B5UHL+j+wjlmfPRhkUoBFijQeFT9lYNRRtO:BLI/ZrxtJrniWvjEJhp4FissT92NnA
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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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