Overview

overview

9

Static

static

yichun_wmn.exe

windows7-x64

9

yichun_wmn.exe

windows10-2004-x64

9

Sharing

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General

  • Target

    2bc6db1cf2247108fa7636220aff73ae97d62902326f6571f40210257d386f30

  • Size

    481KB

  • Sample

    221125-2c1c2abe23

  • MD5

    0ffbc05024dbc5e5697e04f07a56da54

  • SHA1

    0cf5e0669e5e52f4ebb4d90a9b49e49f0e9a3803

  • SHA256

    2bc6db1cf2247108fa7636220aff73ae97d62902326f6571f40210257d386f30

  • SHA512

    5b0b191f9685fb08623586d695d340f3be52253161a7f728d27664b90e4221b49ba7156a923616a89d8a799c83c92afc1c0b277d94f787c66d275d54ad15923b

  • SSDEEP

    12288:SeeGjRiXTeqpSZc86xD5wak7ALuI51oNuZcJ8ece1vtaxi:ScYTBSZz6xD5nQALjcwB+lz

Score
9/10
bootkitpersistenceupx

Malware Config

Targets

    • Target

      yichun_wmn.exe

    • Size

      1.2MB

    • MD5

      6c1c3e867357b1fc3f79071ed029f133

    • SHA1

      8ed4718de573dc38633195b584d256cb059f47ce

    • SHA256

      7f252e395d7fa74a869f6f21e414a195135cfb930bfb15fcb48c8575053767e3

    • SHA512

      93a9e34ada8d010a1c43812f22c2e5dbf4761bc08411e64e173502b43be00d0ca80974ee075ea0deeb9707d58365a3631875f263490612ee5e0929abf9498993

    • SSDEEP

      24576:F2B3IFaREHU1LNJ71SuA1zW0jhFG4Q/+3/tliFHEVA3fRrgnG3J:F2iU1LNKXXjCm3/OFGufMm

    Score
    9/10
    bootkitpersistenceupx

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • UPX packed file

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

      upx

    • Loads dropped DLL

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

      bootkitpersistence
    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks