Overview

overview

10

Static

static

3

f5997e2e47...fc.exe

windows7-x64

10

f5997e2e47...fc.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    f5997e2e476b38e7bf7a2588262765464684f5febf26936e64ff25182caf3bfc

  • Size

    109KB

  • Sample

    250306-sbtdna1rx6

  • MD5

    7a9d05ae04d36e68550424df256fa252

  • SHA1

    3f8aeb9aa60f4478ab519aafa7b7d1e507753b05

  • SHA256

    f5997e2e476b38e7bf7a2588262765464684f5febf26936e64ff25182caf3bfc

  • SHA512

    7b499697e832999ca970aa492ec247de49e36e146a6df090cd95b981f3e9941b084a90d3d483ad58dd8960601fc274ea56b0572b11091243d335563a0ae24c3e

  • SSDEEP

    3072:i03fdg/Mtumr8xdmw/BVJ9fLCqwzBu1DjHLMVDqqkSp:d3feLYaV/BVJ9Twtu1DjrFqh

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

      f5997e2e476b38e7bf7a2588262765464684f5febf26936e64ff25182caf3bfc

    • Size

      109KB

    • MD5

      7a9d05ae04d36e68550424df256fa252

    • SHA1

      3f8aeb9aa60f4478ab519aafa7b7d1e507753b05

    • SHA256

      f5997e2e476b38e7bf7a2588262765464684f5febf26936e64ff25182caf3bfc

    • SHA512

      7b499697e832999ca970aa492ec247de49e36e146a6df090cd95b981f3e9941b084a90d3d483ad58dd8960601fc274ea56b0572b11091243d335563a0ae24c3e

    • SSDEEP

      3072:i03fdg/Mtumr8xdmw/BVJ9fLCqwzBu1DjHLMVDqqkSp:d3feLYaV/BVJ9Twtu1DjrFqh

    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