General
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Target
a276858010264523d60e3ca50a6913c13dcc2987ecf28d05bf9744ca1eb46e00
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Size
227KB
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Sample
230425-j2a6bshc84
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MD5
0d794c6396fe86a351bfd4fd9816541e
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SHA1
026aba8c2b393b5b7aec7034ceec332a5a86b822
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SHA256
a276858010264523d60e3ca50a6913c13dcc2987ecf28d05bf9744ca1eb46e00
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SHA512
4c6a37f47e5e5ac2f9a1bd90706e6eca22ab2181bfdafff6efc0d70eff7dbb2c487f9d87be4d8ec85bc6bb9c5a4643ff1dce02ada244f07b555403966952c377
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SSDEEP
3072:nPYl+WttWKZvcpFtRjF61CnkWIJ2FFVx8rCIHX53vb:QzZ6FtRF61YkWI2x2
Static task
static1
Behavioral task
behavioral1
Sample
a276858010264523d60e3ca50a6913c13dcc2987ecf28d05bf9744ca1eb46e00.exe
Resource
win10v2004-20230221-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://aapu.at/tmp/
http://poudineh.com/tmp/
http://firsttrusteedrx.ru/tmp/
http://kingpirate.ru/tmp/
Extracted
vidar
3.5
5c24dc0e9726fcc756a18038ae4e0e67
https://steamcommunity.com/profiles/76561199497218285
https://t.me/tg_duckworld
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profile_id_v2
5c24dc0e9726fcc756a18038ae4e0e67
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user_agent
Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.93 Safari/537.36 Vivaldi/3.7
Extracted
raccoon
fc8427198f843d72c1aa8a66db1a98f3
http://91.235.234.235/
Extracted
djvu
http://zexeq.com/lancer/get.php
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extension
.coty
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offline_id
O8Ao46dcCReRPC4I1PGMYsRFFc9WI5eOp0O3MFt1
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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
smokeloader
pub1
Extracted
amadey
3.70
77.73.134.27/n9kdjc3xSf/index.php
Extracted
vidar
3.6
5cb879265de0011bfc7588d5d251aee6
https://steamcommunity.com/profiles/76561199499188534
https://t.me/nutalse
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profile_id_v2
5cb879265de0011bfc7588d5d251aee6
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user_agent
Mozilla/5.0 (Windows NT 6.1; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/104.0.0.0 Safari/537.36
Targets
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Target
a276858010264523d60e3ca50a6913c13dcc2987ecf28d05bf9744ca1eb46e00
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Size
227KB
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MD5
0d794c6396fe86a351bfd4fd9816541e
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SHA1
026aba8c2b393b5b7aec7034ceec332a5a86b822
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SHA256
a276858010264523d60e3ca50a6913c13dcc2987ecf28d05bf9744ca1eb46e00
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SHA512
4c6a37f47e5e5ac2f9a1bd90706e6eca22ab2181bfdafff6efc0d70eff7dbb2c487f9d87be4d8ec85bc6bb9c5a4643ff1dce02ada244f07b555403966952c377
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SSDEEP
3072:nPYl+WttWKZvcpFtRjF61CnkWIJ2FFVx8rCIHX53vb:QzZ6FtRF61YkWI2x2
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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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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
2Web Service
1