General
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Target
25cc387245bf79b1a64e007728a619224066d935278d0ff7905af41703210368.bin
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Size
1.7MB
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Sample
240517-ynfk8agb4t
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MD5
00e4894f209ea1c0ca632ddbb138d03b
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SHA1
3849b2bbac39e46b01fd8fa468fdd25309aa5ffd
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SHA256
25cc387245bf79b1a64e007728a619224066d935278d0ff7905af41703210368
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SHA512
8964c1e928fdafaea8012e44349571b3cad5a5f5b0f7c014fde6317f82e099a2a907fb3d2058b622ba75546ebefe08808d5bbf131c39050061027f2edbabba6d
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SSDEEP
49152:cSIuwTOYymK14I8O55gir4Rj7Cwhc2DlK:UOp1uOK5lK
Behavioral task
behavioral1
Sample
25cc387245bf79b1a64e007728a619224066d935278d0ff7905af41703210368.exe
Resource
win7-20240221-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
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
risepro
147.45.47.126:58709
Extracted
redline
1
185.215.113.67:26260
Extracted
gcleaner
185.172.128.90
5.42.64.56
5.42.65.64
Extracted
redline
Vic
beshomandotestbesnd.run.place:1111
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
Targets
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Target
25cc387245bf79b1a64e007728a619224066d935278d0ff7905af41703210368.bin
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Size
1.7MB
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MD5
00e4894f209ea1c0ca632ddbb138d03b
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SHA1
3849b2bbac39e46b01fd8fa468fdd25309aa5ffd
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SHA256
25cc387245bf79b1a64e007728a619224066d935278d0ff7905af41703210368
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SHA512
8964c1e928fdafaea8012e44349571b3cad5a5f5b0f7c014fde6317f82e099a2a907fb3d2058b622ba75546ebefe08808d5bbf131c39050061027f2edbabba6d
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SSDEEP
49152:cSIuwTOYymK14I8O55gir4Rj7Cwhc2DlK:UOp1uOK5lK
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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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Downloads MZ/PE file
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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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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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MITRE ATT&CK Matrix ATT&CK v13
Execution
Command and Scripting Interpreter
1PowerShell
1System Services
1Service Execution
1Scheduled Task/Job
1Persistence
Create or Modify System Process
2Windows Service
2Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Create or Modify System Process
2Windows Service
2Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
Virtualization/Sandbox Evasion
2Impair Defenses
2Disable or Modify System Firewall
1Modify Registry
2Subvert Trust Controls
1Install Root Certificate
1