Overview

overview

10

Static

static

3

65adc2db90...e1.exe

windows7-x64

10

65adc2db90...e1.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    65adc2db90cb7fbc9ab0ffe2ce6f0ae1

  • Size

    784KB

  • Sample

    240118-wn4a6sfcf3

  • MD5

    65adc2db90cb7fbc9ab0ffe2ce6f0ae1

  • SHA1

    0f536b9a8d787c03d987c40fd5f5cd7d60e946e2

  • SHA256

    35701d9df1ab230e057f1f2cc194556d52e07e523ff743e3c42db3bf905575e7

  • SHA512

    7b602b02f6f7c8e20aa8ff12019e89d6468d82b85cd0c5dfb0be19a0be98f162e15a4e149a838f53b9a9b98a99c26ba8b6a3f9d45d24b59e647e49fa790462a5

  • SSDEEP

    24576:tEtl9mRda1ASGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvq:mEs1tg

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      65adc2db90cb7fbc9ab0ffe2ce6f0ae1

    • Size

      784KB

    • MD5

      65adc2db90cb7fbc9ab0ffe2ce6f0ae1

    • SHA1

      0f536b9a8d787c03d987c40fd5f5cd7d60e946e2

    • SHA256

      35701d9df1ab230e057f1f2cc194556d52e07e523ff743e3c42db3bf905575e7

    • SHA512

      7b602b02f6f7c8e20aa8ff12019e89d6468d82b85cd0c5dfb0be19a0be98f162e15a4e149a838f53b9a9b98a99c26ba8b6a3f9d45d24b59e647e49fa790462a5

    • SSDEEP

      24576:tEtl9mRda1ASGB2uJ2s4otqFCJrW9FqvSbqsHasgXhFHDAGtlRXZ+CP63n0NuJvq:mEs1tg

    Score
    10/10
    persistenceransomware

    • Modifies WinLogon for persistence

      persistence

    • Renames multiple (91) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

      ransomware

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks