General
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Target
9163a6415086a2610be12ecce764a40cfff1ba9b46041a2c2160e3df89e2889a
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Size
346KB
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Sample
230415-12ebesfh66
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MD5
c8af8a0bc620e98496146d18c2f79acc
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SHA1
39844f50a4b853e749a4a05f5337676fc8ba74d2
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SHA256
9163a6415086a2610be12ecce764a40cfff1ba9b46041a2c2160e3df89e2889a
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SHA512
87c94dacd4bbefcda7d7f00c15fa7081727c22d6d4ec312221941d61817d5eadb92725491cb0c38ec36effee11803507e37d6576f72822ceceff5279e268d673
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SSDEEP
6144:MJlzm6r0ELvk3qQLXETYToSNHr23qYYbe4:MJlm6wKk3qQLUT8ZNLqqYYq4
Static task
static1
Behavioral task
behavioral1
Sample
9163a6415086a2610be12ecce764a40cfff1ba9b46041a2c2160e3df89e2889a.exe
Resource
win10v2004-20230220-en
Malware Config
Extracted
smokeloader
2022
http://potunulit.org/
http://hutnilior.net/
http://bulimu55t.net/
http://soryytlic4.net/
http://novanosa5org.org/
http://nuljjjnuli.org/
http://tolilolihul.net/
http://somatoka51hub.net/
http://hujukui3.net/
http://bukubuka1.net/
http://golilopaster.org/
http://newzelannd66.org/
http://otriluyttn.org/
http://hoh0aeghwugh2gie.com/
http://hie7doodohpae4na.com/
http://aek0aicifaloh1yo.com/
http://yic0oosaeiy7ahng.com/
http://wa5zu7sekai8xeih.com/
http://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
smokeloader
sprg
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
smokeloader
pub1
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.boty
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offline_id
A5whrmSMRYQPLIwxS6XFix1PGn8lJ9uXUaipSat1
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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
3.4
623db25256a5734d1207787d269d05b2
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
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profile_id_v2
623db25256a5734d1207787d269d05b2
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user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0
Extracted
laplas
http://185.106.92.74
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api_key
bc2dceabe69fa26dbf4dd8295d65e03e1990633a88c1c8410825c9266b239396
Targets
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Target
9163a6415086a2610be12ecce764a40cfff1ba9b46041a2c2160e3df89e2889a
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Size
346KB
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MD5
c8af8a0bc620e98496146d18c2f79acc
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SHA1
39844f50a4b853e749a4a05f5337676fc8ba74d2
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SHA256
9163a6415086a2610be12ecce764a40cfff1ba9b46041a2c2160e3df89e2889a
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SHA512
87c94dacd4bbefcda7d7f00c15fa7081727c22d6d4ec312221941d61817d5eadb92725491cb0c38ec36effee11803507e37d6576f72822ceceff5279e268d673
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SSDEEP
6144:MJlzm6r0ELvk3qQLXETYToSNHr23qYYbe4:MJlm6wKk3qQLUT8ZNLqqYYq4
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Detected Djvu ransomware
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Modifies security service
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Suspicious use of NtCreateUserProcessOtherParentProcess
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Blocklisted process makes network request
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Downloads MZ/PE file
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Stops running service(s)
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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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Legitimate hosting services abused for malware hosting/C2
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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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Drops file in System32 directory
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
2Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
File and Directory Permissions Modification
1Impair Defenses
1Modify Registry
3Web Service
1