General
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Target
6fe7ba44d70927fd40d24aeb610d01888609122c75d35be1f4a0dbadbc6c0c27
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Size
205KB
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Sample
230626-fe4ycahe5z
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MD5
9d8a3dd432e255ebb2e890d2a0653ddb
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SHA1
0e5741c323e7c35671333863492743ae0c64f64b
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SHA256
6fe7ba44d70927fd40d24aeb610d01888609122c75d35be1f4a0dbadbc6c0c27
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SHA512
758efb868176e8179256920f3663a77f8cb47ddfe3ad99a59038392cae0f5daea5fbbb3da85cf65559f6b4c6834db647b43b9544494d1085c49070da62e7da96
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SSDEEP
3072:g0t8tNh4pRETGd2/Rq9nvZCTBQAc5bGHtDuVszN54PKiIIiT28KHqK:QtJTY2/OQBQAc5qHtDN5kFIIiTVKHq
Static task
static1
Behavioral task
behavioral1
Sample
6fe7ba44d70927fd40d24aeb610d01888609122c75d35be1f4a0dbadbc6c0c27.exe
Resource
win7-20230621-en
Behavioral task
behavioral2
Sample
6fe7ba44d70927fd40d24aeb610d01888609122c75d35be1f4a0dbadbc6c0c27.exe
Resource
win10-20230621-en
Malware Config
Extracted
smokeloader
2022
http://serverlogs37.xyz/statweb255/
http://servblog757.xyz/statweb255/
http://dexblog45.xyz/statweb255/
http://admlogs.online/statweb255/
http://blogstat355.xyz/statweb255/
http://blogstatserv25.xyz/statweb255/
Extracted
systembc
adstat277xm.xyz:4044
demstat377xm.xyz:4044
Extracted
C:\info.hta
class='mark'>[email protected]</span></div>
http://www.w3.org/TR/html4/strict.dtd'>
Targets
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Target
6fe7ba44d70927fd40d24aeb610d01888609122c75d35be1f4a0dbadbc6c0c27
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Size
205KB
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MD5
9d8a3dd432e255ebb2e890d2a0653ddb
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SHA1
0e5741c323e7c35671333863492743ae0c64f64b
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SHA256
6fe7ba44d70927fd40d24aeb610d01888609122c75d35be1f4a0dbadbc6c0c27
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SHA512
758efb868176e8179256920f3663a77f8cb47ddfe3ad99a59038392cae0f5daea5fbbb3da85cf65559f6b4c6834db647b43b9544494d1085c49070da62e7da96
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SSDEEP
3072:g0t8tNh4pRETGd2/Rq9nvZCTBQAc5bGHtDuVszN54PKiIIiT28KHqK:QtJTY2/OQBQAc5qHtDN5kFIIiTVKHq
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Identifies VirtualBox via ACPI registry values (likely anti-VM)
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Modifies boot configuration data using bcdedit
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Renames multiple (451) files with added filename extension
This suggests ransomware activity of encrypting all the files on the system.
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Downloads MZ/PE file
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Modifies Windows Firewall
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Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
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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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Obfuscated with Agile.Net obfuscator
Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.
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Accesses Microsoft Outlook profiles
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Adds Run key to start application
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Drops desktop.ini file(s)
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Suspicious use of SetThreadContext
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