General
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Target
4bf505b5711c2bcf1a063b64c9159664625b22868707ea0a1e74f3ca2e92ff4d
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Size
284KB
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Sample
210924-q1y94ahbe4
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MD5
8df89755d076fee4123dd82751a04576
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SHA1
a509292d275f7195a8b1f9c26ef7e4180822ae0b
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SHA256
4bf505b5711c2bcf1a063b64c9159664625b22868707ea0a1e74f3ca2e92ff4d
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SHA512
538ab3dce4beba4a8c480671bca109f0f37a9032c85606c1dac9cab25538ae99d307fea672b97ff4c3300886e059c90a8d7a4a5f0c85344a220f3f3eba4afb18
Static task
static1
Behavioral task
behavioral1
Sample
4bf505b5711c2bcf1a063b64c9159664625b22868707ea0a1e74f3ca2e92ff4d.exe
Resource
win10-en-20210920
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
redline
700$
65.21.231.57:60751
Targets
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Target
4bf505b5711c2bcf1a063b64c9159664625b22868707ea0a1e74f3ca2e92ff4d
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Size
284KB
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MD5
8df89755d076fee4123dd82751a04576
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SHA1
a509292d275f7195a8b1f9c26ef7e4180822ae0b
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SHA256
4bf505b5711c2bcf1a063b64c9159664625b22868707ea0a1e74f3ca2e92ff4d
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SHA512
538ab3dce4beba4a8c480671bca109f0f37a9032c85606c1dac9cab25538ae99d307fea672b97ff4c3300886e059c90a8d7a4a5f0c85344a220f3f3eba4afb18
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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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ServHelper
ServHelper is a backdoor written in Delphi and is associated with the hacking group TA505.
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Grants admin privileges
Uses net.exe to modify the user's privileges.
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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 RDP port number used by Windows
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Modifies Windows Firewall
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Sets DLL path for service in the registry
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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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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 Enterprise v6
Persistence
Account Manipulation
1Modify Existing Service
1New Service
1Registry Run Keys / Startup Folder
3Defense Evasion
Disabling Security Tools
1Modify Registry
5Virtualization/Sandbox Evasion
1