General
-
Target
Kopx_Perm.exe
-
Size
5.5MB
-
Sample
240906-zta4csxerq
-
MD5
8c13d2fd7836abcfe22c00ace0061d40
-
SHA1
3c9640ec84a86cb10e87f2b2d8217f034aab1d5b
-
SHA256
cd665494b4a760a948b940d3bbae302134c282deee633f04343fe34790406001
-
SHA512
3c192fe7231e7c0306521c2701a3c9eeac0fd0091f6d59ef0f35a2dca193fcf5ff36008065838b2cabc92757708525a4d500e315a5502cbd8d7a6e5850255285
-
SSDEEP
49152:/WFnhV6qMFnhVSr9JkzvkjXa+FnhVSr9JkzvkjXabsBFnhVKTTFBySg6etzcwp86:/YrkzgXyrkzgX9orG8farR1
Malware Config
Targets
-
-
Target
Kopx_Perm.exe
-
Size
5.5MB
-
MD5
8c13d2fd7836abcfe22c00ace0061d40
-
SHA1
3c9640ec84a86cb10e87f2b2d8217f034aab1d5b
-
SHA256
cd665494b4a760a948b940d3bbae302134c282deee633f04343fe34790406001
-
SHA512
3c192fe7231e7c0306521c2701a3c9eeac0fd0091f6d59ef0f35a2dca193fcf5ff36008065838b2cabc92757708525a4d500e315a5502cbd8d7a6e5850255285
-
SSDEEP
49152:/WFnhV6qMFnhVSr9JkzvkjXa+FnhVSr9JkzvkjXabsBFnhVKTTFBySg6etzcwp86:/YrkzgXyrkzgX9orG8farR1
-
Identifies VirtualBox via ACPI registry values (likely anti-VM)
-
Downloads MZ/PE file
-
Checks BIOS information in registry
BIOS information is often read in order to detect sandboxing environments.
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Legitimate hosting services abused for malware hosting/C2
-
Suspicious use of NtSetInformationThreadHideFromDebugger
-