Overview

overview

10

Static

static

10

b01b30af93...9a.exe

windows7-x64

10

b01b30af93...9a.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b01b30af93f2d65766bc816da7479c191b53417233a8a59e13700360ca7f8f9a

  • Size

    391KB

  • Sample

    241225-b689xstndn

  • MD5

    ab2fcc1686a441370384ce8c6f9def17

  • SHA1

    71e081eb91ca5a7bc37137c8aa0746091e9612e3

  • SHA256

    b01b30af93f2d65766bc816da7479c191b53417233a8a59e13700360ca7f8f9a

  • SHA512

    c5fd040ceff520e440e6afa40de5b695c23c6397adbfabd215f94d655e8bd4ccf8ca4fc35666d80b1639a708387ef6bf2ec4bd055949c0593061bafa591fee5d

  • SSDEEP

    6144:Aat+Sd2oyaAfbAfNtTAfMAfFAfNPUmKyIxLfYeOO9UmKyIxLm:4Sd2PmNtuhUNP3cOK3D

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://f/wcmd.htm

http://f/ppslog.php

http://f/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      b01b30af93f2d65766bc816da7479c191b53417233a8a59e13700360ca7f8f9a

    • Size

      391KB

    • MD5

      ab2fcc1686a441370384ce8c6f9def17

    • SHA1

      71e081eb91ca5a7bc37137c8aa0746091e9612e3

    • SHA256

      b01b30af93f2d65766bc816da7479c191b53417233a8a59e13700360ca7f8f9a

    • SHA512

      c5fd040ceff520e440e6afa40de5b695c23c6397adbfabd215f94d655e8bd4ccf8ca4fc35666d80b1639a708387ef6bf2ec4bd055949c0593061bafa591fee5d

    • SSDEEP

      6144:Aat+Sd2oyaAfbAfNtTAfMAfFAfNPUmKyIxLfYeOO9UmKyIxLm:4Sd2PmNtuhUNP3cOK3D

    Score
    10/10
    berbewbackdoordiscoverypersistence

    • Adds autorun key to be loaded by Explorer.exe on startup

      persistence

    • Berbew

      Berbew is a backdoor written in C++.

      backdoorberbew

    • Berbew family

      berbew

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks