General
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Target
a88886756e87735339ab0d3d553263f6.exe
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Size
149KB
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Sample
210925-3rq9caeaf3
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MD5
a88886756e87735339ab0d3d553263f6
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SHA1
affbfe893d1da0c3120a2228eebba1814984be41
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SHA256
89bad428ef1f3d8d2217fa8fbf5421824383232f60c1d72fb4ad80ee0c56663f
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SHA512
29a446b7ebf82cf5c6fa878a37da35a6aa0d8969223d91c8e316eb2518e3c9d333aadbc414a81f56a757c2d8547ac932142e454ea83a9eb9d364bf7271a3d36e
Static task
static1
Behavioral task
behavioral1
Sample
a88886756e87735339ab0d3d553263f6.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
a88886756e87735339ab0d3d553263f6.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
135.181.142.223:30397
Extracted
raccoon
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Extracted
raccoon
f6d7183c9e82d2a9b81e6c0608450aa66cefb51f
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url4cnc
https://t.me/justoprostohello
Targets
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Target
a88886756e87735339ab0d3d553263f6.exe
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Size
149KB
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MD5
a88886756e87735339ab0d3d553263f6
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SHA1
affbfe893d1da0c3120a2228eebba1814984be41
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SHA256
89bad428ef1f3d8d2217fa8fbf5421824383232f60c1d72fb4ad80ee0c56663f
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SHA512
29a446b7ebf82cf5c6fa878a37da35a6aa0d8969223d91c8e316eb2518e3c9d333aadbc414a81f56a757c2d8547ac932142e454ea83a9eb9d364bf7271a3d36e
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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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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
1Scheduled Task
1Defense Evasion
Disabling Security Tools
1Modify Registry
2Virtualization/Sandbox Evasion
1