General
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Target
96021e4b25c1c2a93a2f77e7afd858aebacbcedcd30e71ea8a0fca5c4b0a09fc
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Size
318KB
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Sample
220115-exq9jacea3
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MD5
a19a55cf1683356ab4555f595e85d030
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SHA1
2770a0695ff3004a2a8e15e7d17229ea18445b6b
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SHA256
96021e4b25c1c2a93a2f77e7afd858aebacbcedcd30e71ea8a0fca5c4b0a09fc
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SHA512
d9c0e3b057c1121f6f2c25dd12f701eec2a03a61cabdffb52ee2e9e951721ce23d6972887ebfef133dc00db6297330c32101552207543abe62f90a6971f0eda1
Static task
static1
Behavioral task
behavioral1
Sample
96021e4b25c1c2a93a2f77e7afd858aebacbcedcd30e71ea8a0fca5c4b0a09fc.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
arkei
Default
http://file-file-host4.com/tratata.php
Extracted
tofsee
patmushta.info
parubey.info
Targets
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Target
96021e4b25c1c2a93a2f77e7afd858aebacbcedcd30e71ea8a0fca5c4b0a09fc
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Size
318KB
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MD5
a19a55cf1683356ab4555f595e85d030
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SHA1
2770a0695ff3004a2a8e15e7d17229ea18445b6b
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SHA256
96021e4b25c1c2a93a2f77e7afd858aebacbcedcd30e71ea8a0fca5c4b0a09fc
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SHA512
d9c0e3b057c1121f6f2c25dd12f701eec2a03a61cabdffb52ee2e9e951721ce23d6972887ebfef133dc00db6297330c32101552207543abe62f90a6971f0eda1
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Suspicious use of NtCreateProcessExOtherParentProcess
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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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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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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 Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
1Defense Evasion
Disabling Security Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1Web Service
1