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General

  • Target

    a026042dc2e48257fbf609822d8d9e396ef272a351e9f9ae26d2a825b9a80a05

  • Size

    91KB

  • Sample

    240526-bmv8yshe41

  • MD5

    5b55d07ee1a06e0e149f7a12031ea5e1

  • SHA1

    dca66ca8c269ea9ca355d6e0b3f3d1925db63faa

  • SHA256

    a026042dc2e48257fbf609822d8d9e396ef272a351e9f9ae26d2a825b9a80a05

  • SHA512

    83491e7ed10c4125e9d9ff34abef77726d23e6e6166309b16224528c6f859dff936fa27d538859a99f6009bbc634855f1c1a570893c1d974f5d7341f3e6af60e

  • SSDEEP

    1536:XRsjdLaslqdBXvTUL0Hnouy8VjERsjdLaslqdBXvTUL0Hnouy8VjYf:XOJKqsout9EOJKqsout9Yf

Score
10/10

Malware Config

Targets

    • Target

      a026042dc2e48257fbf609822d8d9e396ef272a351e9f9ae26d2a825b9a80a05

    • Size

      91KB

    • MD5

      5b55d07ee1a06e0e149f7a12031ea5e1

    • SHA1

      dca66ca8c269ea9ca355d6e0b3f3d1925db63faa

    • SHA256

      a026042dc2e48257fbf609822d8d9e396ef272a351e9f9ae26d2a825b9a80a05

    • SHA512

      83491e7ed10c4125e9d9ff34abef77726d23e6e6166309b16224528c6f859dff936fa27d538859a99f6009bbc634855f1c1a570893c1d974f5d7341f3e6af60e

    • SSDEEP

      1536:XRsjdLaslqdBXvTUL0Hnouy8VjERsjdLaslqdBXvTUL0Hnouy8VjYf:XOJKqsout9EOJKqsout9Yf

    Score
    10/10
    • Modifies WinLogon for persistence

    • Modifies visibility of file extensions in Explorer

    • Modifies visiblity of hidden/system files in Explorer

    • UPX dump on OEP (original entry point)

    • Disables RegEdit via registry modification

    • Disables use of System Restore points

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies system executable filetype association

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Adds Run key to start application

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks