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Overview

overview

10

Static

static

3

bc7c1e69bf...7a.exe

windows7-x64

10

bc7c1e69bf...7a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    bc7c1e69bf363517d13a1ebd20a4ea7a

  • Size

    3.3MB

  • Sample

    240309-wyxalsef62

  • MD5

    bc7c1e69bf363517d13a1ebd20a4ea7a

  • SHA1

    f19254a24dc5a0ae100e716ff501b55eaad8e2e7

  • SHA256

    8dede2a22514223dbcb639a6a0b6a96e747728cdaf447bdf112166da0156ae96

  • SHA512

    7871c61f7137720ea1be192e3cc1c68ee3f7d15e7358cdc5c5ec8e5d9e609a5a2b21de35c77741e99666618301c28c25e72045f8a603fd1ceed50ad45a1cc8c3

  • SSDEEP

    12288:gp4pNfz3ymJnJ8QCFkxCaQTOl2GVqCw+VsLkjrVlQB9FbDTF53nlNFRpO50w9XCC:aEtl9mRda1VICwE

Score
10/10
persistenceransomware

Malware Config

Targets

    • Target

      bc7c1e69bf363517d13a1ebd20a4ea7a

    • Size

      3.3MB

    • MD5

      bc7c1e69bf363517d13a1ebd20a4ea7a

    • SHA1

      f19254a24dc5a0ae100e716ff501b55eaad8e2e7

    • SHA256

      8dede2a22514223dbcb639a6a0b6a96e747728cdaf447bdf112166da0156ae96

    • SHA512

      7871c61f7137720ea1be192e3cc1c68ee3f7d15e7358cdc5c5ec8e5d9e609a5a2b21de35c77741e99666618301c28c25e72045f8a603fd1ceed50ad45a1cc8c3

    • SSDEEP

      12288:gp4pNfz3ymJnJ8QCFkxCaQTOl2GVqCw+VsLkjrVlQB9FbDTF53nlNFRpO50w9XCC:aEtl9mRda1VICwE

    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