General
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Target
2f7d51d999ae1735556d1c3f30fc80c8c181f23cc0b0fb7a0c804b035d5b7e8a
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Size
333KB
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Sample
211023-a89sssdaa5
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MD5
3f155f27a5c60c075e5968ad9fa192e4
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SHA1
562091b2268e0057de20316143ed304c89a3e7e2
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SHA256
2f7d51d999ae1735556d1c3f30fc80c8c181f23cc0b0fb7a0c804b035d5b7e8a
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SHA512
e0241063056a129b4d207306b0070010337401fdc3cc9c5b4754a5cdcb4a88368134b0a456c3d8181de1474565011e67a3239a189b5ccde9245f67096eeab2ef
Static task
static1
Behavioral task
behavioral1
Sample
2f7d51d999ae1735556d1c3f30fc80c8c181f23cc0b0fb7a0c804b035d5b7e8a.exe
Resource
win10-en-20211014
Malware Config
Extracted
https://cdn.discordapp.com/attachments/900932703254364161/901102801902526486/worker.exe
Extracted
smokeloader
2020
http://gejajoo7.top/
http://sysaheu9.top/
http://xacokuo8.top/
http://hajezey1.top/
http://nusurtal4f.net/
http://netomishnetojuk.net/
http://escalivrouter.net/
http://nick22doom4.net/
http://wrioshtivsio.su/
http://nusotiso4.su/
http://rickkhtovkka.biz/
http://palisotoliso.net/
Extracted
redline
141.94.188.138:46419
Extracted
redline
BTC-2021
2.56.214.190:59628
Extracted
vidar
41.5
706
https://mas.to/@xeroxxx
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profile_id
706
Extracted
vidar
41.5
517
https://mas.to/@xeroxxx
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profile_id
517
Extracted
djvu
http://rlrz.org/lancer
Targets
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Target
2f7d51d999ae1735556d1c3f30fc80c8c181f23cc0b0fb7a0c804b035d5b7e8a
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Size
333KB
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MD5
3f155f27a5c60c075e5968ad9fa192e4
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SHA1
562091b2268e0057de20316143ed304c89a3e7e2
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SHA256
2f7d51d999ae1735556d1c3f30fc80c8c181f23cc0b0fb7a0c804b035d5b7e8a
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SHA512
e0241063056a129b4d207306b0070010337401fdc3cc9c5b4754a5cdcb4a88368134b0a456c3d8181de1474565011e67a3239a189b5ccde9245f67096eeab2ef
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Detected Djvu ransomware
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RedLine
RedLine Stealer is a malware family written in C#, first appearing in early 2020.
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RedLine Payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Vidar Stealer
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Blocklisted process makes network request
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Downloads MZ/PE file
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Executes dropped EXE
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Deletes itself
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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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