General
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Target
601aebf106d927435aa783c5e17acc773ee3ecb44de4d531cf626d39c5563ce3
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Size
772KB
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Sample
230618-zhe8yahf54
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MD5
ee9325a886d44713a32e96cb43ef930e
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SHA1
5262f5efda217fd426daf5d1e5a9e99ab2be0b5a
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SHA256
601aebf106d927435aa783c5e17acc773ee3ecb44de4d531cf626d39c5563ce3
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SHA512
07eecd3612634a22d0f4cf44401653a6e408400c74f35cca5c67237140e8c2ac987c275bfcc83e43c20421c38443135bfb4e25f6847216bbc854c4897b0436b5
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SSDEEP
12288:p6zJNOMWYRwSsSFrraI28az3VidD3XIU+pCsc/H9A8tmMcqW4RF:p6nX3wjSl08Ilil4bCbltmjmF
Static task
static1
Behavioral task
behavioral1
Sample
601aebf106d927435aa783c5e17acc773ee3ecb44de4d531cf626d39c5563ce3.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
djvu
http://zexeq.com/raud/get.php
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extension
.ahui
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offline_id
vPWUuYIO6Lzy2cGt8zL7FERKTf4QMBPjn7F005t1
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payload_url
http://colisumy.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
vidar
4.3
a129a8292a021d62796bfced1018aa1f
https://steamcommunity.com/profiles/76561199514261168
https://t.me/kamaprimo
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profile_id_v2
a129a8292a021d62796bfced1018aa1f
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user_agent
Mozilla/5.0 (Linux; U; Tizen 2.0; en-us) AppleWebKit/537.1 (KHTML, like Gecko) Mobile TizenBrowser/2.0
Targets
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Target
601aebf106d927435aa783c5e17acc773ee3ecb44de4d531cf626d39c5563ce3
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Size
772KB
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MD5
ee9325a886d44713a32e96cb43ef930e
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SHA1
5262f5efda217fd426daf5d1e5a9e99ab2be0b5a
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SHA256
601aebf106d927435aa783c5e17acc773ee3ecb44de4d531cf626d39c5563ce3
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SHA512
07eecd3612634a22d0f4cf44401653a6e408400c74f35cca5c67237140e8c2ac987c275bfcc83e43c20421c38443135bfb4e25f6847216bbc854c4897b0436b5
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SSDEEP
12288:p6zJNOMWYRwSsSFrraI28az3VidD3XIU+pCsc/H9A8tmMcqW4RF:p6nX3wjSl08Ilil4bCbltmjmF
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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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