General
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Target
f4de2bbceda5a540fb11ef4b9a3751bf4f9ddeccf0d0256781ca4a406133bc66
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Size
3.7MB
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Sample
220313-len5safcem
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MD5
ee5ea5f515f137844f57c743fe344239
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SHA1
374c1a768b7ccb0fbf456d933c19c68da1f29f05
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SHA256
f4de2bbceda5a540fb11ef4b9a3751bf4f9ddeccf0d0256781ca4a406133bc66
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SHA512
c259c73b2afb2782b0b1e78a7535401429b1890d142e127ae7cdc6bf267fc65874cfff266427b7a18a59f927a308f83fdfa52f70958c4759d4e19bc40120a00a
Static task
static1
Behavioral task
behavioral1
Sample
f4de2bbceda5a540fb11ef4b9a3751bf4f9ddeccf0d0256781ca4a406133bc66.exe
Resource
win7-20220311-en
Behavioral task
behavioral2
Sample
f4de2bbceda5a540fb11ef4b9a3751bf4f9ddeccf0d0256781ca4a406133bc66.exe
Resource
win10v2004-20220310-en
Malware Config
Extracted
redline
Cana
176.111.174.254:56328
Extracted
vidar
39.4
706
https://sergeevih43.tumblr.com/
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profile_id
706
Extracted
smokeloader
2020
http://conceitosseg.com/upload/
http://integrasidata.com/upload/
http://ozentekstil.com/upload/
http://finbelportal.com/upload/
http://telanganadigital.com/upload/
Extracted
redline
Ani
detuyaluro.xyz:80
Extracted
tofsee
patmushta.info
ovicrush.cn
Extracted
C:\Users\Admin\AppData\Local\Temp\MicrosoftPaks\Files\AppData\Local\Packages\Microsoft.Windows.Search_cw5n1h2txyewy\LocalState\ConstraintIndex\Settings_{4ebf61c9-c489-4749-8bd7-539d318db8e7}\0.0.filtertrie.intermediate.txt
Extracted
redline
ruzkida
185.11.73.55:22201
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auth_value
000938fe0d697ca6a3b6cee46ba02ff3
Extracted
arkei
Default
http://62.204.41.133/TnoGfVj67h.php
Extracted
djvu
http://fuyt.org/test3/get.php
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extension
.xcbg
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offline_id
y6oQcfhmSRc7ZQ1q8yjLE3LhY8kK7FHg6LLlEht1
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payload_url
http://zerit.top/dl/build2.exe
http://fuyt.org/files/1/build3.exe
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ransomnote
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Extracted
redline
ruzki12_03
176.122.23.55:11768
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auth_value
c51ddc8008e8581a01cec6e8291c5530
Targets
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Target
f4de2bbceda5a540fb11ef4b9a3751bf4f9ddeccf0d0256781ca4a406133bc66
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Size
3.7MB
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MD5
ee5ea5f515f137844f57c743fe344239
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SHA1
374c1a768b7ccb0fbf456d933c19c68da1f29f05
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SHA256
f4de2bbceda5a540fb11ef4b9a3751bf4f9ddeccf0d0256781ca4a406133bc66
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SHA512
c259c73b2afb2782b0b1e78a7535401429b1890d142e127ae7cdc6bf267fc65874cfff266427b7a18a59f927a308f83fdfa52f70958c4759d4e19bc40120a00a
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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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suricata: ET MALWARE Danabot Key Exchange Request
suricata: ET MALWARE Danabot Key Exchange Request
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suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
suricata: ET MALWARE EXE Download Request To Wordpress Folder Likely Malicious
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suricata: ET MALWARE GCleaner Downloader Activity M5
suricata: ET MALWARE GCleaner Downloader Activity M5
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt)
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (Passwords.txt) M2
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suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
suricata: ET MALWARE Suspicious Zipped Filename in Outbound POST Request (passwords.txt) M2
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suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
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suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
suricata: ET MALWARE Vidar/Arkei Stealer Client Data Upload
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer Data Exfil
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suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
suricata: ET MALWARE Vidar/Arkei/Megumin/Oski Stealer HTTP POST Pattern
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suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
suricata: ET MALWARE Win32.Raccoon Stealer - Telegram Mirror Checkin (generic)
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suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
suricata: ET MALWARE Win32.Raccoon Stealer Checkin M6
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suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
suricata: ET MALWARE Win32/Spy.Socelars.S CnC Activity M3
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Async RAT 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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Creates new service(s)
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Downloads MZ/PE file
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Executes dropped EXE
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Loads dropped DLL
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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 NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Matrix ATT&CK v6
Persistence
Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
1Scheduled Task
1Defense Evasion
Modify Registry
4Disabling Security Tools
1Virtualization/Sandbox Evasion
1Install Root Certificate
1