General
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Target
toolspub1(2).exe
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Size
198KB
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Sample
240111-f9expsgcf4
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MD5
ac27d06e4345f34cfa44e08a860d88f1
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SHA1
c5575397ff27d7f3a22ed9e0537e060d33bb4890
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SHA256
d47be58f4a767dcfe803a43a184158fdb7f0bbc379c4519e435540f9224c82dc
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SHA512
8cae7d2d4208a68b74ad3bab556d4b6b459058fcc7e8b8a364fb4a2e0a1ee55ca43274e509a9f4da208ac6c072fc4d2d119e52cfc966538d737f9410441025d4
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SSDEEP
3072:dE/htLJYeiJiiKDuSRpXxLNjwakyBvwyYR2QvBL2A:yTLJYeF9LXh7U+
Static task
static1
Behavioral task
behavioral1
Sample
toolspub1(2).exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
toolspub1(2).exe
Resource
win10v2004-20231215-en
Malware Config
Extracted
smokeloader
pub1
Extracted
smokeloader
2020
http://host-file-host6.com/
http://host-host-file8.com/
Targets
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-
Target
toolspub1(2).exe
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Size
198KB
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MD5
ac27d06e4345f34cfa44e08a860d88f1
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SHA1
c5575397ff27d7f3a22ed9e0537e060d33bb4890
-
SHA256
d47be58f4a767dcfe803a43a184158fdb7f0bbc379c4519e435540f9224c82dc
-
SHA512
8cae7d2d4208a68b74ad3bab556d4b6b459058fcc7e8b8a364fb4a2e0a1ee55ca43274e509a9f4da208ac6c072fc4d2d119e52cfc966538d737f9410441025d4
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SSDEEP
3072:dE/htLJYeiJiiKDuSRpXxLNjwakyBvwyYR2QvBL2A:yTLJYeF9LXh7U+
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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