General
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Target
466a770ba78acf73d45a5c8ca7a93c88eb460a3e6a1b17cf8e1b58d56641f1b1
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Size
346KB
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Sample
230416-nmmyssaa46
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MD5
127aeeb9d5c0f64930c576f75830afa7
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SHA1
189e743eae16e9a129c1fef673a7dab75fbc9bb9
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SHA256
466a770ba78acf73d45a5c8ca7a93c88eb460a3e6a1b17cf8e1b58d56641f1b1
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SHA512
bd1db120c6e5d77504a01dfd97665c70a28c87a322dfb1f8e93f219ff875bd2479f9021ab198e2078a5d681d21195833d6d612c5f241d2c976673bb29b7cfb5e
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SSDEEP
6144:WdKYCyrW9UVP5+HwSky9sppnpPKy/vcRR:WdJCoWWP5+HBkxBnu
Static task
static1
Behavioral task
behavioral1
Sample
466a770ba78acf73d45a5c8ca7a93c88eb460a3e6a1b17cf8e1b58d56641f1b1.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
e749025c61b2caca10aa829a9e1a65a1
https://steamcommunity.com/profiles/76561199494593681
https://t.me/auftriebs
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profile_id_v2
e749025c61b2caca10aa829a9e1a65a1
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user_agent
Mozilla/5.0 (X11; Ubuntu; Linux x86_64; rv:105.0) Gecko/20100101 Firefox/105.0
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
466a770ba78acf73d45a5c8ca7a93c88eb460a3e6a1b17cf8e1b58d56641f1b1
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Size
346KB
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MD5
127aeeb9d5c0f64930c576f75830afa7
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SHA1
189e743eae16e9a129c1fef673a7dab75fbc9bb9
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SHA256
466a770ba78acf73d45a5c8ca7a93c88eb460a3e6a1b17cf8e1b58d56641f1b1
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SHA512
bd1db120c6e5d77504a01dfd97665c70a28c87a322dfb1f8e93f219ff875bd2479f9021ab198e2078a5d681d21195833d6d612c5f241d2c976673bb29b7cfb5e
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SSDEEP
6144:WdKYCyrW9UVP5+HwSky9sppnpPKy/vcRR:WdJCoWWP5+HBkxBnu
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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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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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
1Install Root Certificate
1Modify Registry
4Web Service
1