General
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Target
c3f20c9b1318e18c27bf77039ce49157.exe
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Size
135KB
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Sample
210927-jx7czagac8
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MD5
c3f20c9b1318e18c27bf77039ce49157
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SHA1
ee544248e7b8bb6703812b40b698e3cf8f6a9268
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SHA256
9b047c007e428da0cc6a5c01b143ac1f299133ae7509e88923c430f7ee8b3f27
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SHA512
9fe84246083c9d2ae5467e396a406a3dffa0fc438599a2f5cf822966d6b15f992c3db4b53b714e6312ea1a06271a35f6d1b70e6a8798272b636b1d6034f928f4
Static task
static1
Behavioral task
behavioral1
Sample
c3f20c9b1318e18c27bf77039ce49157.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
c3f20c9b1318e18c27bf77039ce49157.exe
Resource
win10v20210408
Malware Config
Extracted
smokeloader
2020
http://naghenrietti1.top/
http://kimballiett2.top/
http://xadriettany3.top/
http://jebeccallis4.top/
http://nityanneron5.top/
http://umayaniela6.top/
http://lynettaram7.top/
http://sadineyalas8.top/
http://geenaldencia9.top/
http://aradysiusep10.top/
Extracted
redline
92.246.89.6:38437
Extracted
raccoon
a72c96f6762e4258a13dee8bc0dd14557df18467
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url4cnc
https://t.me/h_wacel1new_1
Extracted
raccoon
b2f2e53f9e27f901d453d8f6fbafe1b4d5266bb7
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url4cnc
https://t.me/hcdrom1
Extracted
redline
karma
94.103.9.133:39323
Extracted
redline
Bliss
185.237.98.178:62607
Targets
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Target
c3f20c9b1318e18c27bf77039ce49157.exe
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Size
135KB
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MD5
c3f20c9b1318e18c27bf77039ce49157
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SHA1
ee544248e7b8bb6703812b40b698e3cf8f6a9268
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SHA256
9b047c007e428da0cc6a5c01b143ac1f299133ae7509e88923c430f7ee8b3f27
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SHA512
9fe84246083c9d2ae5467e396a406a3dffa0fc438599a2f5cf822966d6b15f992c3db4b53b714e6312ea1a06271a35f6d1b70e6a8798272b636b1d6034f928f4
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Generic Chinese Botnet
A botnet originating from China which is currently unnamed publicly.
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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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Arkei Stealer Payload
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Chinese Botnet 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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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Loads dropped DLL
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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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
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MITRE ATT&CK Enterprise v6
Persistence
Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
1Install Root Certificate
1Modify Registry
4Virtualization/Sandbox Evasion
2Web Service
1