General
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Target
8fc231b273bce371d521d8ce5283aa6a.exe
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Size
234KB
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Sample
210929-dshadsdehj
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MD5
8fc231b273bce371d521d8ce5283aa6a
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SHA1
4edb2f91be0120c3fa3fad07e295b1cd3bbd381b
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SHA256
b286cfb96b929e11071196a5a8e41b50c8adf29a0e46963e2842f7b19b7f2da5
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SHA512
5299b8c987407efbadfb41f088b498cfb1d508d5f5a1f8d28bc608184d6270e2995a8bfbc0401d8e012adf54e06ee5f9f7e2fb465bd22a36ea47f688e8333c28
Static task
static1
Behavioral task
behavioral1
Sample
8fc231b273bce371d521d8ce5283aa6a.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
8fc231b273bce371d521d8ce5283aa6a.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
777777
193.56.146.60:18243
Extracted
raccoon
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
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url4cnc
https://t.me/agrybirdsgamerept
Extracted
redline
92.246.89.6:38437
Extracted
redline
z0rm1onbuild
45.156.21.209:56326
Targets
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Target
8fc231b273bce371d521d8ce5283aa6a.exe
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Size
234KB
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MD5
8fc231b273bce371d521d8ce5283aa6a
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SHA1
4edb2f91be0120c3fa3fad07e295b1cd3bbd381b
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SHA256
b286cfb96b929e11071196a5a8e41b50c8adf29a0e46963e2842f7b19b7f2da5
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SHA512
5299b8c987407efbadfb41f088b498cfb1d508d5f5a1f8d28bc608184d6270e2995a8bfbc0401d8e012adf54e06ee5f9f7e2fb465bd22a36ea47f688e8333c28
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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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Turns off Windows Defender SpyNet reporting
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suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
suricata: ET MALWARE DNS Query Sinkhole Domain Various Families (Possible Infected Host)
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suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
suricata: ET MALWARE Observed Malicious SSL Cert (BitRAT CnC)
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suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
suricata: ET MALWARE Sharik/Smoke CnC Beacon 11
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suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
suricata: ET MALWARE Win32.Raccoon Stealer Data Exfil Attempt
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Arkei Stealer Payload
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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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Nirsoft
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XMRig Miner Payload
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Blocklisted process makes network request
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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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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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Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
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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
1Hidden Files and Directories
1Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
3Defense Evasion
Disabling Security Tools
4Hidden Files and Directories
1Install Root Certificate
1Modify Registry
9Virtualization/Sandbox Evasion
1