Overview

overview

10

Static

static

10

b4e42fe822...0c.exe

windows7-x64

10

b4e42fe822...0c.exe

windows10-2004-x64

10

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General

  • Target

    b4e42fe8229677da9d53fd5fd82d67881c94f200b31d1ab19a4783f6e8f4560c

  • Size

    200KB

  • Sample

    240523-ckzn2aab76

  • MD5

    210ba36f03c91c09af90264c599a0d35

  • SHA1

    00e3a226f220560109875c710ac1d48a38a8136b

  • SHA256

    b4e42fe8229677da9d53fd5fd82d67881c94f200b31d1ab19a4783f6e8f4560c

  • SHA512

    ee6092a0609a57fa1e06ebbd97ab6be81bbdb902da53e5ce44ffc1799688266022b68f0ab96a30c392c182134d3a8d88a91cfedd8b53d18a6cfbab8d5479aa5c

  • SSDEEP

    3072:+kWRM0We9kVF3GezUroWlBCtCmCdXC1D1NGWBgS7:+kWXV9wUezUroW+tCmCCfNGd+

Score
10/10
evasionpersistenceupx

Malware Config

Targets

    • Target

      b4e42fe8229677da9d53fd5fd82d67881c94f200b31d1ab19a4783f6e8f4560c

    • Size

      200KB

    • MD5

      210ba36f03c91c09af90264c599a0d35

    • SHA1

      00e3a226f220560109875c710ac1d48a38a8136b

    • SHA256

      b4e42fe8229677da9d53fd5fd82d67881c94f200b31d1ab19a4783f6e8f4560c

    • SHA512

      ee6092a0609a57fa1e06ebbd97ab6be81bbdb902da53e5ce44ffc1799688266022b68f0ab96a30c392c182134d3a8d88a91cfedd8b53d18a6cfbab8d5479aa5c

    • SSDEEP

      3072:+kWRM0We9kVF3GezUroWlBCtCmCdXC1D1NGWBgS7:+kWXV9wUezUroW+tCmCCfNGd+

    Score
    10/10
    evasionpersistenceupx

    • Modifies WinLogon for persistence

      persistence

    • Modifies visiblity of hidden/system files in Explorer

      evasion

    • UPX dump on OEP (original entry point)

    • Drops file in Drivers directory

    • Modifies Installed Components in the registry

      persistence

    • Executes dropped EXE

    • Loads dropped DLL

    • UPX packed file

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

      upx

    • Adds Run key to start application

      persistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks