General
- Target a6c4829fac2841a9c83391a4275c3901.exe
- Size 313KB
- Sample220116-jh4zasffbk
- SHA256 ee907caabbeb9840e89ba0a214d4e652a336c882a06d6e93af878fa018275e13
- MD5 a6c4829fac2841a9c83391a4275c3901
- SHA1 817f3436f0c83223e9231bd1a69e0dd74ea0bfd8
- SHA512 03c639dfdc427c7359b22d3c677896ef3c4624c9c6fc1b42bcd473c1907bc6f5567d0cc52c78189237fb5b6fb541e5f104809e1a5a57fb6f5f104faf89e7a69d
- MD5 SHA1 SHA512
Static task
static1
Behavioral task
behavioral1
Sample
a6c4829fac2841a9c83391a4275c3901.exe
Resource
win7-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/
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http://amogohuigotuli.at/
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http://novohudosovu.com/
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http://brutuilionust.com/
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http://bubushkalioua.com/
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http://dumuilistrati.at/
-
http://verboliatsiaeeees.com/
Extracted
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arkei
-
Default
-
http://file-file-host4.com/tratata.php
Extracted
-
tofsee
-
patmushta.info
-
parubey.info
Extracted
-
raccoon
-
1.8.4-hotfixs
Targets
-
- Target a6c4829fac2841a9c83391a4275c3901.exe
- Size 313KB
- SHA256 ee907caabbeb9840e89ba0a214d4e652a336c882a06d6e93af878fa018275e13
- MD5 a6c4829fac2841a9c83391a4275c3901
- SHA1 817f3436f0c83223e9231bd1a69e0dd74ea0bfd8
- SHA512 03c639dfdc427c7359b22d3c677896ef3c4624c9c6fc1b42bcd473c1907bc6f5567d0cc52c78189237fb5b6fb541e5f104809e1a5a57fb6f5f104faf89e7a69d
- MD5 SHA1 SHA512
-
Modifies WinLogon for persistence
-
Suspicious use of NtCreateProcessExOtherParentProcess
-
suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
-
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
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Arkei Stealer Payload
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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 Installed Components in the registry
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Modifies Windows Firewall
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Sets service image path in registry
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Deletes itself
-
Loads dropped DLL
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Accesses cryptocurrency files/wallets, possible credential harvesting
-
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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
Legitimate hosting services abused for malware hosting/C2
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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
MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
1Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
3Winlogon Helper DLL
1Defense Evasion
Disabling Security Tools
1Hidden Files and Directories
1Modify Registry
5Web Service
1