Resubmissions
09-07-2024 20:30
240709-y97xlatgqk 10General
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Target
https://github.com/Da2dalus/The-MALWARE-Repo
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Sample
240709-y97xlatgqk
Static task
static1
URLScan task
urlscan1
Behavioral task
behavioral1
Sample
https://github.com/Da2dalus/The-MALWARE-Repo
Resource
win10-20240611-en
Behavioral task
behavioral2
Sample
https://github.com/Da2dalus/The-MALWARE-Repo
Resource
win7-20240704-en
Behavioral task
behavioral3
Sample
https://github.com/Da2dalus/The-MALWARE-Repo
Resource
win10v2004-20240709-en
Behavioral task
behavioral4
Sample
https://github.com/Da2dalus/The-MALWARE-Repo
Resource
win11-20240709-en
Malware Config
Extracted
crimsonrat
185.136.161.124
Extracted
asyncrat
| Edit 3LOSH RAT
rat1
xfreddy2751.duckdns.org:6606
xfreddy2751.duckdns.org:7707
xfreddy2751.duckdns.org:8808
darkstorm275991.ddns.net:6606
darkstorm275991.ddns.net:7707
darkstorm275991.ddns.net:8808
AsyncMutex_6SI8OkPnk
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delay
3
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install
true
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install_file
License.exe
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install_folder
%AppData%
Targets
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Target
https://github.com/Da2dalus/The-MALWARE-Repo
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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CrimsonRAT main payload
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Modifies WinLogon for persistence
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Process spawned unexpected child process
This typically indicates the parent process was compromised via an exploit or macro.
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AgentTesla payload
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Async RAT payload
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Downloads MZ/PE file
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Modifies Windows Firewall
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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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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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Adds Run key to start application
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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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Legitimate hosting services abused for malware hosting/C2
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Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
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AutoIT Executable
AutoIT scripts compiled to PE executables.
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Drops file in System32 directory
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Scheduled Task
1Privilege Escalation
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
1Winlogon Helper DLL
1Create or Modify System Process
1Windows Service
1Scheduled Task/Job
1Scheduled Task
1Defense Evasion
Hide Artifacts
2Hidden Files and Directories
2Impair Defenses
1Disable or Modify System Firewall
1Modify Registry
3Pre-OS Boot
1Bootkit
1