General
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Target
SecuriteInfo.com.W32.AIDetect.malware1.21112.25472
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Size
292KB
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Sample
210314-w612dbgk4s
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MD5
b6478e8e908b78bec9a56db8074d4449
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SHA1
9b0f9ab2c8f2877f232e5abb0aaee3cd027caf70
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SHA256
87e1e8b1fb643ea3665a8d6994bf5f7f9b48ce07218ef488d49f95142eac0eaa
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SHA512
4df0fa7418f503691514698dbcb1efd6bd54aa96de20ea07ed6b08f58974ce4bd0b5566e67b0c5017e41de894cded8f71ba83a324200f983f408ceb36cdc814d
Static task
static1
Behavioral task
behavioral1
Sample
SecuriteInfo.com.W32.AIDetect.malware1.21112.25472.exe
Resource
win7v20201028
Behavioral task
behavioral2
Sample
SecuriteInfo.com.W32.AIDetect.malware1.21112.25472.exe
Resource
win10v20201028
Malware Config
Extracted
smokeloader
2020
http://funzel.info/upload/
http://doeros.xyz/upload/
http://vromus.com/upload/
http://hqans.com/upload/
http://vxeudy.com/upload/
http://poderoa.com/upload/
http://nezzzo.com/upload/
Targets
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Target
SecuriteInfo.com.W32.AIDetect.malware1.21112.25472
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Size
292KB
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MD5
b6478e8e908b78bec9a56db8074d4449
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SHA1
9b0f9ab2c8f2877f232e5abb0aaee3cd027caf70
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SHA256
87e1e8b1fb643ea3665a8d6994bf5f7f9b48ce07218ef488d49f95142eac0eaa
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SHA512
4df0fa7418f503691514698dbcb1efd6bd54aa96de20ea07ed6b08f58974ce4bd0b5566e67b0c5017e41de894cded8f71ba83a324200f983f408ceb36cdc814d
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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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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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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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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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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating 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
1Bootkit
1Defense Evasion
Disabling Security Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1