General
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Target
a6a986ab9eae9f6d8eb6fbfe1e9ff56a.exe
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Size
302KB
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Sample
231206-z4fftshbf2
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MD5
a6a986ab9eae9f6d8eb6fbfe1e9ff56a
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SHA1
21ce1d8ea7a03730b459c8842fa208f4f05fadf5
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SHA256
b64ff9e441be1386300550bfd3f41bae61bebee22c9f858cedcb57d3e143f98a
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SHA512
c3c405a2648f732c5b120364bd40f6460022b65dbfd5d46688a19368b10ef91aa25dd048519dff9eec3f0ea76cd4f23f0a91b3f148b762865821ced2d8eec72c
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SSDEEP
3072:IxlfU8xp5wVX7zmPS+QF7+XX+BBKtWTB5o7Vdb9r/+:QDP5wdz6uF7jBKggDh
Static task
static1
Behavioral task
behavioral1
Sample
a6a986ab9eae9f6d8eb6fbfe1e9ff56a.exe
Resource
win7-20231023-en
Behavioral task
behavioral2
Sample
a6a986ab9eae9f6d8eb6fbfe1e9ff56a.exe
Resource
win10v2004-20231130-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
a6a986ab9eae9f6d8eb6fbfe1e9ff56a.exe
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Size
302KB
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MD5
a6a986ab9eae9f6d8eb6fbfe1e9ff56a
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SHA1
21ce1d8ea7a03730b459c8842fa208f4f05fadf5
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SHA256
b64ff9e441be1386300550bfd3f41bae61bebee22c9f858cedcb57d3e143f98a
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SHA512
c3c405a2648f732c5b120364bd40f6460022b65dbfd5d46688a19368b10ef91aa25dd048519dff9eec3f0ea76cd4f23f0a91b3f148b762865821ced2d8eec72c
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SSDEEP
3072:IxlfU8xp5wVX7zmPS+QF7+XX+BBKtWTB5o7Vdb9r/+:QDP5wdz6uF7jBKggDh
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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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Raccoon Stealer V2 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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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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Executes dropped EXE
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Modifies file permissions
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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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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
1Virtualization/Sandbox Evasion
1