General
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Target
ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67
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Size
716KB
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Sample
221018-wpghssghbk
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MD5
00e85047117022a430b13b8d55e0b178
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SHA1
5bf28eb0d90e571d94cf5399ab647a46ff5edf48
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SHA256
ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67
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SHA512
74c2415c7dc9e23e706e81f6c4697d93779660eddb06933c17adb1846aa8feb573daf6b8787f9b94e80c478dfb073806eddc61d9bf476a57054e6a1bb44766da
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SSDEEP
12288:HCb03Vb04zuISpi6KMk5sReZvhmi0DAlNPJ+CAmdPoDppKy4XvkbVY6acIfG:HC09ipi1Mk5sRehhmtYNNoDPpMvgxac4
Static task
static1
Behavioral task
behavioral1
Sample
ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67.exe
Resource
win10v2004-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.tuis
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offline_id
Uz66zEbmA32arcxwT81zZhkb23026oHz5iSp8qt1
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payload_url
http://rgyui.top/dl/build2.exe
http://winnlinne.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
55
517
https://t.me/truewallets
https://mas.to/@zara99
http://116.203.10.3:80
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profile_id
517
Targets
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Target
ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67
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Size
716KB
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MD5
00e85047117022a430b13b8d55e0b178
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SHA1
5bf28eb0d90e571d94cf5399ab647a46ff5edf48
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SHA256
ca8a2770828d6c660dd6144ad0a989011ba43b753a8eeb83160608b95bc4fd67
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SHA512
74c2415c7dc9e23e706e81f6c4697d93779660eddb06933c17adb1846aa8feb573daf6b8787f9b94e80c478dfb073806eddc61d9bf476a57054e6a1bb44766da
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SSDEEP
12288:HCb03Vb04zuISpi6KMk5sReZvhmi0DAlNPJ+CAmdPoDppKy4XvkbVY6acIfG:HC09ipi1Mk5sRehhmtYNNoDPpMvgxac4
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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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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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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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