General
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Target
684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377
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Size
311KB
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Sample
240119-wr4q4sbbfr
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MD5
6842403982c36b6c450fde3035eb7043
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SHA1
d40806e8623b10811703aadf27d5b055da6e98a5
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SHA256
684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377
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SHA512
2d10d7bb85475a86f85019228a88cebf0da92ed5cb24102facbb34a875f3666d0ebf0783b1db1b996f2087feb672f337e91cb72c8b899c632496344a42e4ab37
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SSDEEP
3072:uQLPli/LX0eRJibugxk++1iyvoBgDym4BV9JxNcdOOQVmRZ+pfTK7KVDrc+B5f2B:uQLPwkvB+iIoBoSVPW3ofTgYn79oUq
Static task
static1
Behavioral task
behavioral1
Sample
684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377.exe
Resource
win7-20231215-en
Behavioral task
behavioral2
Sample
684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377.exe
Resource
win10v2004-20231215-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
684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377
-
Size
311KB
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MD5
6842403982c36b6c450fde3035eb7043
-
SHA1
d40806e8623b10811703aadf27d5b055da6e98a5
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SHA256
684bcee9dcb5326013108c4f4fb40dce8d98bc937a00b64e9d9f9754d0c78377
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SHA512
2d10d7bb85475a86f85019228a88cebf0da92ed5cb24102facbb34a875f3666d0ebf0783b1db1b996f2087feb672f337e91cb72c8b899c632496344a42e4ab37
-
SSDEEP
3072:uQLPli/LX0eRJibugxk++1iyvoBgDym4BV9JxNcdOOQVmRZ+pfTK7KVDrc+B5f2B:uQLPwkvB+iIoBoSVPW3ofTgYn79oUq
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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