General
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Target
fb45ecbfb0e13b103b6b1c583479a21d.exe
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Size
128KB
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Sample
210927-v1z9lsheg4
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MD5
fb45ecbfb0e13b103b6b1c583479a21d
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SHA1
9cb9eead55f3b3f4847fd8f1bdd8d20ca46d9dc2
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SHA256
d0426ed95048ec08395edddaaa1d3ccc7a3f769d4324195e1f075b16f462a4c6
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SHA512
1969648cb590e6c71fcf0391003ce56d22472f01105d9e3fab9e3acbacb687dde8cf0ca01c26b862ee7cf582d8b5605b91b82011f9cc061e3500ef8390570889
Static task
static1
Behavioral task
behavioral1
Sample
fb45ecbfb0e13b103b6b1c583479a21d.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
fb45ecbfb0e13b103b6b1c583479a21d.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
raketa
45.144.29.94:61419
Extracted
redline
instashop
185.92.74.142:80
Extracted
redline
@DCM4Gentoo
138.124.186.42:14462
Extracted
redline
vol4
92.222.145.232:61157
Extracted
raccoon
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Targets
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Target
fb45ecbfb0e13b103b6b1c583479a21d.exe
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Size
128KB
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MD5
fb45ecbfb0e13b103b6b1c583479a21d
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SHA1
9cb9eead55f3b3f4847fd8f1bdd8d20ca46d9dc2
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SHA256
d0426ed95048ec08395edddaaa1d3ccc7a3f769d4324195e1f075b16f462a4c6
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SHA512
1969648cb590e6c71fcf0391003ce56d22472f01105d9e3fab9e3acbacb687dde8cf0ca01c26b862ee7cf582d8b5605b91b82011f9cc061e3500ef8390570889
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Modifies WinLogon for persistence
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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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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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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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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
Winlogon Helper DLL
1New Service
1Modify Existing Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Modify Registry
4Disabling Security Tools
1Virtualization/Sandbox Evasion
1