General
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Target
9b5dbf7ff9c0ffbdbab75334e6cc89198bcda4a4c4704e1ec9cbc46d4fead650
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Size
799KB
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Sample
221005-v6kq4sfad9
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MD5
11c0e6b0471d88e56d9e598c13d6624a
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SHA1
8e5e8d0f8118c3767d7c314d26b00bd5602a1fcd
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SHA256
9b5dbf7ff9c0ffbdbab75334e6cc89198bcda4a4c4704e1ec9cbc46d4fead650
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SHA512
61b5490907d69a5403c9e988a812f0731138c244de8ed12391b82ab8d718d32976026097a9aed220f63b666071931aa0f7e4c51fb1d7ae65887137d2b4d68254
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SSDEEP
12288:unKRqN0r8vioZoX+DEfrUxB14YKtZSATm2VMmVRMMDeqE5sBUp/zRunnmLv:unKW0X0ybYKX/is4fsupGmL
Static task
static1
Behavioral task
behavioral1
Sample
9b5dbf7ff9c0ffbdbab75334e6cc89198bcda4a4c4704e1ec9cbc46d4fead650.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/lancer/get.php
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extension
.adww
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offline_id
z8lhl4oForVEc7gy9Ra8rSqjYMl3xiFRuIW4not1
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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
54.9
517
https://t.me/larsenup
https://ioc.exchange/@zebra54
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profile_id
517
Targets
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Target
9b5dbf7ff9c0ffbdbab75334e6cc89198bcda4a4c4704e1ec9cbc46d4fead650
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Size
799KB
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MD5
11c0e6b0471d88e56d9e598c13d6624a
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SHA1
8e5e8d0f8118c3767d7c314d26b00bd5602a1fcd
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SHA256
9b5dbf7ff9c0ffbdbab75334e6cc89198bcda4a4c4704e1ec9cbc46d4fead650
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SHA512
61b5490907d69a5403c9e988a812f0731138c244de8ed12391b82ab8d718d32976026097a9aed220f63b666071931aa0f7e4c51fb1d7ae65887137d2b4d68254
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SSDEEP
12288:unKRqN0r8vioZoX+DEfrUxB14YKtZSATm2VMmVRMMDeqE5sBUp/zRunnmLv:unKW0X0ybYKX/is4fsupGmL
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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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