General
- Target e5cf31523f01f3791bf0d2dbf2a232c4.exe
- Size 180KB
- Sample210929-d3mmvsdfbj
- SHA256 e312af68203fd80a2dd86a69460941ce29709424310abffd66fd7323a2b8ef6e
- MD5 e5cf31523f01f3791bf0d2dbf2a232c4
- SHA1 d992d4c7ff035d4dc730620924625d58be4bd4a6
- SHA512 83df9bc5351733b06adaa04f35bd3027c13ad995ea7bfde9c5ec60405c92bc5174718b80c54d1393917b3039efc26b09620807b5a995154902b3572ac3dda06c
- MD5 SHA1 SHA512
Static task
static1
Behavioral task
behavioral1
Sample
e5cf31523f01f3791bf0d2dbf2a232c4.exe
Resource
win7-en-20210920
Behavioral task
behavioral2
Sample
e5cf31523f01f3791bf0d2dbf2a232c4.exe
Resource
win10-en-20210920
Malware Config
Extracted
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smokeloader
-
2020
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http://naghenrietti1.top/
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http://kimballiett2.top/
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http://xadriettany3.top/
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http://jebeccallis4.top/
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http://nityanneron5.top/
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http://umayaniela6.top/
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http://lynettaram7.top/
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http://sadineyalas8.top/
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http://geenaldencia9.top/
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http://aradysiusep10.top/
Extracted
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redline
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92.246.89.6:38437
Extracted
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redline
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z0rm1onbuild
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45.156.21.209:56326
Extracted
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redline
-
777777
-
193.56.146.60:18243
Extracted
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raccoon
-
5ff0ccb2bc00dc52d1ad09949e9c7663bc9ca4d4
-
url4cnc
https://t.me/agrybirdsgamerept
Targets
-
- Target e5cf31523f01f3791bf0d2dbf2a232c4.exe
- Size 180KB
- SHA256 e312af68203fd80a2dd86a69460941ce29709424310abffd66fd7323a2b8ef6e
- MD5 e5cf31523f01f3791bf0d2dbf2a232c4
- SHA1 d992d4c7ff035d4dc730620924625d58be4bd4a6
- SHA512 83df9bc5351733b06adaa04f35bd3027c13ad995ea7bfde9c5ec60405c92bc5174718b80c54d1393917b3039efc26b09620807b5a995154902b3572ac3dda06c
- MD5 SHA1 SHA512
-
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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Turns off Windows Defender SpyNet reporting
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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 CnC Activity (dependency download)
suricata: ET MALWARE Win32.Raccoon Stealer CnC Activity (dependency download)
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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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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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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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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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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
MITRE ATT&CK Enterprise v6
Persistence
Hidden Files and Directories
1Modify Existing Service
2New Service
1Registry Run Keys / Startup Folder
2Defense Evasion
Disabling Security Tools
4Hidden Files and Directories
1Install Root Certificate
1Modify Registry
7Virtualization/Sandbox Evasion
1