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General
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Target
f1f45999e4848e6c26386a23cc8e4e79c619238dd7fa7023455b767f3ff6e727
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Size
231KB
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Sample
231209-ak5tyafbh7
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MD5
8ebc8a20bd048d839eb7b24643b76746
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SHA1
e11c18f575d21c47d48d1447526eac8a15ac31f9
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SHA256
f1f45999e4848e6c26386a23cc8e4e79c619238dd7fa7023455b767f3ff6e727
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SHA512
592e85ce54eae10f2ca55f11dc7ae77d5fc05be242a4a780fe933ff7ead7d588c2e1c1da4b1cd9c27f8e3565b4b589c91f9a476b00954f79dc6f767ccc63c60f
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SSDEEP
3072:wvEMe31ZJvyf5TQeTjBlVg+DQfrUhTBt4nRo4oGiWHFK:fMe31zK58eTtc+sohzh4BH
Static task
static1
Behavioral task
behavioral1
Sample
f1f45999e4848e6c26386a23cc8e4e79c619238dd7fa7023455b767f3ff6e727.exe
Resource
win10-20231129-en
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Extracted
djvu
http://zexeq.com/test1/get.php
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extension
.nbzi
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offline_id
csCsb6cUvy0iMa6NgGCGH0hSfXQlGjZVEmFVkgt1
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payload_url
http://brusuax.com/dl/build2.exe
http://zexeq.com/files/1/build3.exe
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ransomnote
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Extracted
risepro
193.233.132.51
Targets
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Target
f1f45999e4848e6c26386a23cc8e4e79c619238dd7fa7023455b767f3ff6e727
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Size
231KB
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MD5
8ebc8a20bd048d839eb7b24643b76746
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SHA1
e11c18f575d21c47d48d1447526eac8a15ac31f9
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SHA256
f1f45999e4848e6c26386a23cc8e4e79c619238dd7fa7023455b767f3ff6e727
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SHA512
592e85ce54eae10f2ca55f11dc7ae77d5fc05be242a4a780fe933ff7ead7d588c2e1c1da4b1cd9c27f8e3565b4b589c91f9a476b00954f79dc6f767ccc63c60f
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SSDEEP
3072:wvEMe31ZJvyf5TQeTjBlVg+DQfrUhTBt4nRo4oGiWHFK:fMe31zK58eTtc+sohzh4BH
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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 ZGRat V1
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Detected Djvu ransomware
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PrivateLoader
PrivateLoader is a downloader sold as a pay-per-install malware distribution service.
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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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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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Drops startup file
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Executes dropped EXE
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Modifies file permissions
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Accesses Microsoft Outlook profiles
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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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AutoIT Executable
AutoIT scripts compiled to PE executables.
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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
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1Scheduled Task/Job
1Defense Evasion
File and Directory Permissions Modification
1Modify Registry
3Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1