General
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Target
3ac981477f6371b6a6f83a33da8e7875e4451c0c7e41d5090b0742a133470152
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Size
298KB
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Sample
220105-l8yw3saedm
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MD5
26b1bbf8a2a28c04f8c8861a4cae383c
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SHA1
3adba2d32140f399d226bfd19a29fe59d47b6066
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SHA256
3ac981477f6371b6a6f83a33da8e7875e4451c0c7e41d5090b0742a133470152
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SHA512
a81bbc0516874aad0be99cd2bda3de218cbaa61e168f6430787d6f4ede8d371ccbbd6e1ed127f53c79259b4caeccb791118ea90e58672bf695c6d990064db4d2
Static task
static1
Behavioral task
behavioral1
Sample
3ac981477f6371b6a6f83a33da8e7875e4451c0c7e41d5090b0742a133470152.exe
Resource
win10-en-20211208
Malware Config
Extracted
smokeloader
2020
http://host-data-coin-11.com/
http://file-coin-host-12.com/
Extracted
tofsee
patmushta.info
parubey.info
Extracted
raccoon
10da56e7e71e97bdc1f36eb76813bbc3231de7e4
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url4cnc
http://194.180.174.53/capibar
http://91.219.236.18/capibar
http://194.180.174.41/capibar
http://91.219.236.148/capibar
https://t.me/capibar
Targets
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Target
3ac981477f6371b6a6f83a33da8e7875e4451c0c7e41d5090b0742a133470152
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Size
298KB
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MD5
26b1bbf8a2a28c04f8c8861a4cae383c
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SHA1
3adba2d32140f399d226bfd19a29fe59d47b6066
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SHA256
3ac981477f6371b6a6f83a33da8e7875e4451c0c7e41d5090b0742a133470152
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SHA512
a81bbc0516874aad0be99cd2bda3de218cbaa61e168f6430787d6f4ede8d371ccbbd6e1ed127f53c79259b4caeccb791118ea90e58672bf695c6d990064db4d2
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Suspicious use of NtCreateProcessExOtherParentProcess
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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 Single char EXE direct download likely trojan (multiple families)
suricata: ET MALWARE Single char EXE direct download likely trojan (multiple families)
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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 Win32/Vidar Variant Stealer CnC Exfil
suricata: ET MALWARE Win32/Vidar Variant Stealer CnC Exfil
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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 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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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
1Defense Evasion
Disabling Security Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1