General
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Target
setup.exe
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Size
231KB
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Sample
230402-a2yf7adf99
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MD5
0788f5d49eee054490cebc8a02df877e
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SHA1
81f70140ef7e8459bf8f510784364a8f5431842a
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SHA256
908e4aefed17c00709274e5af47d6322c3597cadf4750a21abadd36005115281
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SHA512
61f00180bdcbcdb755b44b025e49a6fa9cdc90b7ae0022110888934ee0760dbdc7ddc0bda4d7a1504adbfe465a95420594559584c4b0d8793de7bc40dc9a4c6c
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SSDEEP
3072:etNp7T0LY2cqlReNI+TPMq8uVPNR7ZwkBgjHPs5YcQlOp81Pwr6VclYVcbHca:M00mlIAqvR1ZGEhBuVBVi
Static task
static1
Behavioral task
behavioral1
Sample
setup.exe
Resource
win7-20230220-en
Behavioral task
behavioral2
Sample
setup.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
djvu
http://zexeq.com/lancer/get.php
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extension
.nitz
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offline_id
FCP2fiITr4rryFhFBnA59GMgwES5CunmcbPc76t1
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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
smokeloader
pub1
Extracted
amadey
3.65
77.73.134.27/8bmdh3Slb2/index.php
Extracted
vidar
3.2
5df88deb5dde677ba658b77ad5f60248
https://steamcommunity.com/profiles/76561199489580435
https://t.me/tabootalks
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profile_id_v2
5df88deb5dde677ba658b77ad5f60248
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user_agent
Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/105.0.0.0 Safari/537.36 OPR/91.0.4516.79
Targets
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Target
setup.exe
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Size
231KB
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MD5
0788f5d49eee054490cebc8a02df877e
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SHA1
81f70140ef7e8459bf8f510784364a8f5431842a
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SHA256
908e4aefed17c00709274e5af47d6322c3597cadf4750a21abadd36005115281
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SHA512
61f00180bdcbcdb755b44b025e49a6fa9cdc90b7ae0022110888934ee0760dbdc7ddc0bda4d7a1504adbfe465a95420594559584c4b0d8793de7bc40dc9a4c6c
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SSDEEP
3072:etNp7T0LY2cqlReNI+TPMq8uVPNR7ZwkBgjHPs5YcQlOp81Pwr6VclYVcbHca:M00mlIAqvR1ZGEhBuVBVi
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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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XMRig Miner payload
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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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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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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
1Modify Registry
3Web Service
1