General
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Target
toolspub2(1).exe
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Size
206KB
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Sample
240111-f9expsgcf3
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MD5
2a62ea99f6e89fb1bcf249917cc87bfc
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SHA1
c5640703e1ed6276babbef5102dc247aaf3c17c8
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SHA256
ecbaeab79bb9ff98c691ffddfd29e59282af48d48a87fbe20cb94dc83c1c89f3
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SHA512
0a07d8b63555871cc339397ecad4e27cb0f75bf11ef66ac0c1070e06336a45936af70140f71bc635a01a218531955a6000906d4250d138ce09781c7e79717566
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SSDEEP
3072:Yp/htLJYeiJiiKnTa0/WxCExkGB4wYxRfHVvBL2A:+TLJYehe0/W8Qjn
Static task
static1
Behavioral task
behavioral1
Sample
toolspub2(1).exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
toolspub2(1).exe
Resource
win10v2004-20231222-en
Malware Config
Extracted
smokeloader
up3
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Targets
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-
Target
toolspub2(1).exe
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Size
206KB
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MD5
2a62ea99f6e89fb1bcf249917cc87bfc
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SHA1
c5640703e1ed6276babbef5102dc247aaf3c17c8
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SHA256
ecbaeab79bb9ff98c691ffddfd29e59282af48d48a87fbe20cb94dc83c1c89f3
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SHA512
0a07d8b63555871cc339397ecad4e27cb0f75bf11ef66ac0c1070e06336a45936af70140f71bc635a01a218531955a6000906d4250d138ce09781c7e79717566
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SSDEEP
3072:Yp/htLJYeiJiiKnTa0/WxCExkGB4wYxRfHVvBL2A:+TLJYehe0/W8Qjn
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Modifies firewall policy service
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Modifies security service
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Disables taskbar notifications via registry modification
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Disables use of System Restore points
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Sets file execution options in registry
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Sets service image path in registry
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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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Loads dropped DLL
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Adds Run key to start application
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Checks for any installed AV software in registry
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Drops desktop.ini file(s)
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Suspicious use of NtSetInformationThreadHideFromDebugger
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MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1Privilege Escalation
Boot or Logon Autostart Execution
3Registry Run Keys / Startup Folder
3Create or Modify System Process
2Windows Service
2Scheduled Task/Job
1