General
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Target
c010d2fbf77931ba29d911e5c6a77062c9530e28ee4980b28b600503a6214cf5
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Size
791KB
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Sample
221005-esl41sdcf5
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MD5
b5b7b11b44d02e4e7961595de03eed5c
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SHA1
e54da75857987ad56ee4ffaa122ef213b7a18f9b
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SHA256
c010d2fbf77931ba29d911e5c6a77062c9530e28ee4980b28b600503a6214cf5
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SHA512
39b415578d271dfb9b531d6234573033b929012ce0e536251ddb075852badff473c7c38b7638685b18e6b5c5943313879b8b1f49d406a0a1c3a3f4836447d8fd
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SSDEEP
12288:sackklNCaAQ3mBR4GuKaD/A4htBA1AmjkKOPFjRZedbmvunnp:s1zNCrQIuKODA15Sd9IhRp
Static task
static1
Behavioral task
behavioral1
Sample
c010d2fbf77931ba29d911e5c6a77062c9530e28ee4980b28b600503a6214cf5.exe
Resource
win10-20220812-en
Malware Config
Extracted
djvu
http://winnlinne.com/test1/get.php
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extension
.adlg
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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
c010d2fbf77931ba29d911e5c6a77062c9530e28ee4980b28b600503a6214cf5
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Size
791KB
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MD5
b5b7b11b44d02e4e7961595de03eed5c
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SHA1
e54da75857987ad56ee4ffaa122ef213b7a18f9b
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SHA256
c010d2fbf77931ba29d911e5c6a77062c9530e28ee4980b28b600503a6214cf5
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SHA512
39b415578d271dfb9b531d6234573033b929012ce0e536251ddb075852badff473c7c38b7638685b18e6b5c5943313879b8b1f49d406a0a1c3a3f4836447d8fd
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SSDEEP
12288:sackklNCaAQ3mBR4GuKaD/A4htBA1AmjkKOPFjRZedbmvunnp:s1zNCrQIuKODA15Sd9IhRp
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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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