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Overview

overview

10

Static

static

3

b5ff8e7260...6N.exe

windows7-x64

10

b5ff8e7260...6N.exe

windows10-2004-x64

10

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General

  • Target

    b5ff8e72603bcb2fa5a0758539dbd16ca0b20421f543c3edda0d3106d81e5ce6N

  • Size

    768KB

  • Sample

    241013-k9564syfmh

  • MD5

    c2d024d8f967d28827d1e26529dfea90

  • SHA1

    2dc3822ac43730cc0ec13d0f18e6f07dfdf1ae7e

  • SHA256

    b5ff8e72603bcb2fa5a0758539dbd16ca0b20421f543c3edda0d3106d81e5ce6

  • SHA512

    ab2826217ea53bd63057c8b8cfc79263a8e9c63c9bf32da3f1f576d091797fe40b4243913f358645ab3cef285299d73397c2c0667f0d60a21e3309e348ef4a40

  • SSDEEP

    12288:99bVF/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KF4cr6VDsEqacjgqANXcol27Z5Y:9/Fm0BmmvFimm0Xcr6VDsEqacjgqANXF

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

      b5ff8e72603bcb2fa5a0758539dbd16ca0b20421f543c3edda0d3106d81e5ce6N

    • Size

      768KB

    • MD5

      c2d024d8f967d28827d1e26529dfea90

    • SHA1

      2dc3822ac43730cc0ec13d0f18e6f07dfdf1ae7e

    • SHA256

      b5ff8e72603bcb2fa5a0758539dbd16ca0b20421f543c3edda0d3106d81e5ce6

    • SHA512

      ab2826217ea53bd63057c8b8cfc79263a8e9c63c9bf32da3f1f576d091797fe40b4243913f358645ab3cef285299d73397c2c0667f0d60a21e3309e348ef4a40

    • SSDEEP

      12288:99bVF/+zrWAI5KFum/+zrWAIAqWim/+zrWAI5KF4cr6VDsEqacjgqANXcol27Z5Y:9/Fm0BmmvFimm0Xcr6VDsEqacjgqANXF

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks