General
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Target
a855f093fc753487c01f8a321417f1293c5278889398d0bba43ec6c106f47cca.bin
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Size
1.5MB
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Sample
240518-ht7c5agh52
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MD5
34a528949bbb8e436ff829b560bf9ed5
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SHA1
81605fc39325237e56ef41361daf255e7bb16b38
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SHA256
a855f093fc753487c01f8a321417f1293c5278889398d0bba43ec6c106f47cca
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SHA512
1af7e4ac473679f65f8f77ddbe0bcdc096a9e9905175feecb0dd63764e2bda5f73c8e67e9ec4ff85148cfad7f1c1463c59e270adda7481a7535c9466299bec06
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SSDEEP
49152:naaJcf9xgKLiOrCuoMEj3E/pxMAHSQk17R6pt7:xJcvHGuoMgAxIfRa7
Behavioral task
behavioral1
Sample
a855f093fc753487c01f8a321417f1293c5278889398d0bba43ec6c106f47cca.exe
Resource
win7-20231129-en
Malware Config
Extracted
amadey
4.20
18befc
http://5.42.96.141
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install_dir
908f070dff
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install_file
explorku.exe
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strings_key
b25a9385246248a95c600f9a061438e1
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url_paths
/go34ko8/index.php
Extracted
risepro
147.45.47.126:58709
Extracted
amadey
4.20
c767c0
http://5.42.96.7
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install_dir
7af68cdb52
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install_file
axplons.exe
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strings_key
e2ce58e78f631ed97d01fe7b70e85d5e
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url_paths
/zamo7h/index.php
Extracted
redline
1
185.215.113.67:26260
Extracted
xworm
127.0.0.1:7000
beshomandotestbesnd.run.place:7000
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Install_directory
%ProgramData%
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install_file
taskmgr.exe
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telegram
https://api.telegram.org/bot2128988424:AAEkYnwvOQA95riqRZwlqBxg4GV-odRNOyo/sendMessage?chat_id=966649672
Extracted
redline
Vic
beshomandotestbesnd.run.place:1111
Targets
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Target
a855f093fc753487c01f8a321417f1293c5278889398d0bba43ec6c106f47cca.bin
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Size
1.5MB
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MD5
34a528949bbb8e436ff829b560bf9ed5
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SHA1
81605fc39325237e56ef41361daf255e7bb16b38
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SHA256
a855f093fc753487c01f8a321417f1293c5278889398d0bba43ec6c106f47cca
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SHA512
1af7e4ac473679f65f8f77ddbe0bcdc096a9e9905175feecb0dd63764e2bda5f73c8e67e9ec4ff85148cfad7f1c1463c59e270adda7481a7535c9466299bec06
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SSDEEP
49152:naaJcf9xgKLiOrCuoMEj3E/pxMAHSQk17R6pt7:xJcvHGuoMgAxIfRa7
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DcRat
DarkCrystal(DC) is a new .NET RAT active since June 2019 capable of loading additional plugins.
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Detect Xworm Payload
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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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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
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Downloads MZ/PE file
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Drops file in Drivers directory
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Modifies Installed Components in the registry
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Modifies Windows Firewall
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Possible attempt to disable PatchGuard
Rootkits can use kernel patching to embed themselves in an operating system.
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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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Identifies Wine through registry keys
Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
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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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Legitimate hosting services abused for malware hosting/C2
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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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Suspicious use of NtSetInformationThreadHideFromDebugger
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Suspicious use of SetThreadContext
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MITRE ATT&CK Enterprise v15
Execution
Command and Scripting Interpreter
2PowerShell
1Scheduled Task/Job
1System Services
1Service Execution
1Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Defense Evasion
Impair Defenses
5Disable or Modify System Firewall
1Disable or Modify Tools
2Modify Registry
5Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
2