General
- Target file.exe
- Size 978KB
- Sample231016-b33yqsdb84
- SHA256 9d5a2dd32dd86bd8454ea8b4b48cdffb3fc3e077820a5645602016f64dc82125
- MD5 32d909e366c69f79c4f1647eca45f5ec
- SHA1 c59997b21efd167e115e84321ba0b543303d6503
- SHA512 52d6f6e20b0e5f34316551a9747bba6a49b17ff6e54a1ce2fef9a7e8c3f6cff775a3f310ecda7981909bf2488d96c73acaed9a01ebe827e4cd6fdc0b20073c4f
- SSDEEP 24576:Nykv5JWPlGbyRyLZC9U2OBCTNymGEbXVy:okPWI+yz2OBKEmZ
- MD5 SHA1 SHA512 SSDEEP
Static task
static1
Behavioral task
behavioral1
Sample
file.exe
Resource
win7-20230831-en
Behavioral task
behavioral2
Sample
file.exe
Resource
win10v2004-20230915-en
Malware Config
Extracted
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redline
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breha
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77.91.124.55:19071
Extracted
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smokeloader
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2022
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http://77.91.68.29/fks/
Extracted
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redline
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pixelscloud2.0
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85.209.176.128:80
Extracted
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redline
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kukish
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77.91.124.55:19071
Extracted
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redline
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@ytlogsbot
-
185.216.70.238:37515
Targets
-
- Target file.exe
- Size 978KB
- SHA256 9d5a2dd32dd86bd8454ea8b4b48cdffb3fc3e077820a5645602016f64dc82125
- MD5 32d909e366c69f79c4f1647eca45f5ec
- SHA1 c59997b21efd167e115e84321ba0b543303d6503
- SHA512 52d6f6e20b0e5f34316551a9747bba6a49b17ff6e54a1ce2fef9a7e8c3f6cff775a3f310ecda7981909bf2488d96c73acaed9a01ebe827e4cd6fdc0b20073c4f
- SSDEEP 24576:Nykv5JWPlGbyRyLZC9U2OBCTNymGEbXVy:okPWI+yz2OBKEmZ
- MD5 SHA1 SHA512 SSDEEP
-
DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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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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SectopRAT payload
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Looks for VirtualBox Guest Additions in registry
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Downloads MZ/PE file
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Looks for VMWare Tools registry key
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Modifies Windows Firewall
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.NET Reactor proctector
Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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Checks computer location settings
Looks up country code configured in the registry, likely geofence.
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Executes dropped EXE
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Loads dropped DLL
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Uses the VBS compiler for execution
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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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Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
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Maps connected drives based on registry
Disk information is often read in order to detect sandboxing environments.
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Suspicious use of SetThreadContext
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
2Disable or Modify Tools
2Modify Registry
3Scripting
1Virtualization/Sandbox Evasion
2