General
- Target 4bf8cca281ead5ee814dd1edf9a41a48.exe
- Size 294KB
- Sample220105-anb12aaacq
- SHA256 b2e2b3756e1e8506d37bf855754c3e240672de8e7757cebce39cc6c516097588
- MD5 4bf8cca281ead5ee814dd1edf9a41a48
- SHA1 a4b6a5e11fe789eee4501e2ef12a49d486a956fa
- SHA512 9d9fd32bec6083a52e72fa620cc313cc17415bc14adc1dcf1cf9d1f50af84dacb1ca82193702fc4460458f078185f07110e54acede320c2a2baef636a03b7766
- MD5 SHA1 SHA512
Static task
static1
Behavioral task
behavioral1
Sample
4bf8cca281ead5ee814dd1edf9a41a48.exe
Resource
win7-en-20211208
Behavioral task
behavioral2
Sample
4bf8cca281ead5ee814dd1edf9a41a48.exe
Resource
win10-en-20211208
Malware Config
Extracted
-
smokeloader
-
2020
-
http://host-data-coin-11.com/
-
http://file-coin-host-12.com/
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http://srtuiyhuali.at/
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http://fufuiloirtu.com/
-
http://amogohuigotuli.at/
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http://novohudosovu.com/
-
http://brutuilionust.com/
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http://bubushkalioua.com/
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http://dumuilistrati.at/
-
http://verboliatsiaeeees.com/
Extracted
-
tofsee
-
patmushta.info
-
parubey.info
Targets
-
- Target 4bf8cca281ead5ee814dd1edf9a41a48.exe
- Size 294KB
- SHA256 b2e2b3756e1e8506d37bf855754c3e240672de8e7757cebce39cc6c516097588
- MD5 4bf8cca281ead5ee814dd1edf9a41a48
- SHA1 a4b6a5e11fe789eee4501e2ef12a49d486a956fa
- SHA512 9d9fd32bec6083a52e72fa620cc313cc17415bc14adc1dcf1cf9d1f50af84dacb1ca82193702fc4460458f078185f07110e54acede320c2a2baef636a03b7766
- MD5 SHA1 SHA512
-
Suspicious use of NtCreateProcessExOtherParentProcess
-
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
-
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
-
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
suricata: ET MALWARE Terse alphanumeric executable downloader high likelihood of being hostile
-
suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
-
Arkei Stealer Payload
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
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XMRig Miner Payload
-
Creates new service(s)
-
Downloads MZ/PE file
-
Executes dropped EXE
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Modifies Windows Firewall
-
Sets service image path in registry
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Deletes itself
-
Loads dropped DLL
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Accesses Microsoft Outlook profiles
-
Accesses cryptocurrency files/wallets, possible credential harvesting
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Checks installed software on the system
Looks up Uninstall key entries in the registry to enumerate software on the system.
-
Drops file in System32 directory
-
Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
1Defense Evasion
Disabling Security Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1