General
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Target
74afedc7e1ddfe9e427f4f32c964351abffecc6162f988846d4faa0c91c847f9
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Size
154KB
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Sample
231207-e3dwdsagh5
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MD5
1e990fd946480bc5d5c2ee0172cd27fb
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SHA1
89d03836415af340954becb47fafcc1be958f4ea
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SHA256
49edd5552e23969ee92d51b31f85b09732981fe42f0f7bbc9656bf94c02a26db
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SHA512
c9bc9bd03487349706b089fabe354ca109868893282b4b7e45e391b0a073cb0273b17dc8fea98a197d2879339710d4ff91aec4d5995a6a9bbff2be68a81da701
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SSDEEP
3072:ZWWvSg2LTafzJ7T29bfxYjPJHyvyQD6nLkV+ARzFSIxLagc3jMQDVEXi:afLTed7T29bfxcJc4a3zFSOe/DWi
Static task
static1
Behavioral task
behavioral1
Sample
74afedc7e1ddfe9e427f4f32c964351abffecc6162f988846d4faa0c91c847f9.exe
Resource
win7-20231130-en
Behavioral task
behavioral2
Sample
74afedc7e1ddfe9e427f4f32c964351abffecc6162f988846d4faa0c91c847f9.exe
Resource
win10v2004-20231201-en
Malware Config
Extracted
smokeloader
pu10
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
smokeloader
2022
http://81.19.131.34/fks/index.php
Extracted
risepro
193.233.132.51
Targets
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Target
74afedc7e1ddfe9e427f4f32c964351abffecc6162f988846d4faa0c91c847f9
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Size
301KB
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MD5
dd4e955f8edafe4070dc32eae77d39e6
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SHA1
692122e9c24e56a3123224b6c4009c8cb4c0abd0
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SHA256
74afedc7e1ddfe9e427f4f32c964351abffecc6162f988846d4faa0c91c847f9
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SHA512
11040e58955ede3c8f9fbbaa1d76615f97db23cb031c5cace496326e23b74ea7aa86dba13209de953e31e028b110a92bbd2e2105c561730b144847b86b69c4a7
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SSDEEP
3072:SwKoS/nIzAlQl0sQRA7VrW8vf343jrsN59g7Vdb9r/+:SzjIz8kVrDfIzo9gDh
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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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Deletes itself
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Drops startup file
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Executes dropped EXE
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Loads dropped DLL
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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
2Subvert Trust Controls
1Install Root Certificate
1Virtualization/Sandbox Evasion
1