General
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Target
fb436d73dd1d08b57731b2d0454c80bd0deb68f50c7b7c7fcd3efb95e6ea052a
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Size
190KB
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Sample
211211-g3ylxacbdq
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MD5
4f3424d12241bcbdaf87a750dfe3b5a3
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SHA1
4a38f423918059ff6a0aae3c75032d447916f247
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SHA256
fb436d73dd1d08b57731b2d0454c80bd0deb68f50c7b7c7fcd3efb95e6ea052a
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SHA512
d24d443cbcd395c62d6af73253c56bc502f29a40557460bf14e058e2bd1ca9d8f52b0fda494bfb36c16925a7c63ed633c8c2dd053ee3662bd7c2937947e34821
Static task
static1
Behavioral task
behavioral1
Sample
fb436d73dd1d08b57731b2d0454c80bd0deb68f50c7b7c7fcd3efb95e6ea052a.exe
Resource
win10-en-20211208
Malware Config
Extracted
smokeloader
2020
http://host-data-coin-11.com/
http://file-coin-host-12.com/
http://srtuiyhuali.at/
http://fufuiloirtu.com/
http://amogohuigotuli.at/
http://novohudosovu.com/
http://brutuilionust.com/
http://bubushkalioua.com/
http://dumuilistrati.at/
http://verboliatsiaeeees.com/
Extracted
raccoon
Extracted
raccoon
1.8.3-hotfix
f797145799b7b1b77b35d81de942eee0908da519
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url4cnc
http://91.219.236.27/capibar
http://94.158.245.167/capibar
http://185.163.204.216/capibar
http://185.225.19.238/capibar
http://185.163.204.218/capibar
https://t.me/capibar
Extracted
raccoon
1.8.3-hotfix
eab89db8f8e51b4a23c6cffb85db8684a0f53e06
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url4cnc
http://91.219.236.27/zalmanssx
http://94.158.245.167/zalmanssx
http://185.163.204.216/zalmanssx
http://185.225.19.238/zalmanssx
http://185.163.204.218/zalmanssx
https://t.me/zalmanssx
Extracted
tofsee
mubrikych.top
oxxyfix.xyz
Targets
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Target
fb436d73dd1d08b57731b2d0454c80bd0deb68f50c7b7c7fcd3efb95e6ea052a
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Size
190KB
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MD5
4f3424d12241bcbdaf87a750dfe3b5a3
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SHA1
4a38f423918059ff6a0aae3c75032d447916f247
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SHA256
fb436d73dd1d08b57731b2d0454c80bd0deb68f50c7b7c7fcd3efb95e6ea052a
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SHA512
d24d443cbcd395c62d6af73253c56bc502f29a40557460bf14e058e2bd1ca9d8f52b0fda494bfb36c16925a7c63ed633c8c2dd053ee3662bd7c2937947e34821
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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 Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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suricata: ET MALWARE Win32/Tofsee Connectivity Check M2
suricata: ET MALWARE Win32/Tofsee Connectivity Check M2
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suricata: ET MALWARE Win32/Tofsee Connectivity Check M3
suricata: ET MALWARE Win32/Tofsee Connectivity Check M3
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Arkei Stealer Payload
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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XMRig Miner Payload
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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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Sets service image path in registry
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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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Drops startup file
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Loads dropped DLL
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Accesses Microsoft Outlook profiles
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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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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
New Service
1Modify Existing Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
1Modify Registry
3Virtualization/Sandbox Evasion
1