Overview

overview

10

Static

static

10

b1e4af7c20...0N.exe

windows7-x64

10

b1e4af7c20...0N.exe

windows10-2004-x64

10

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General

  • Target

    b1e4af7c20e40621fb6f52b9d5b264b5ed4f6626f2de8767f0ddac5fcf6d7fc0N.exe

  • Size

    582KB

  • Sample

    241208-aa52yswqan

  • MD5

    3e49341ae4391452d9bd36aa6d1c9000

  • SHA1

    81bc1eba60aeb415e6f016754ac530322724e588

  • SHA256

    b1e4af7c20e40621fb6f52b9d5b264b5ed4f6626f2de8767f0ddac5fcf6d7fc0

  • SHA512

    9c4d1410917944e1531b1a9d1253f9a5f24ef3afcef18aa16939c5335ec71062ebe8648c724d33d9534438dcc623b367072303f69d8199e38504cf57f37a2c04

  • SSDEEP

    12288:cQJxlXIYNrekcPYNrq6+gmCAYNrekcPYNrB:rrIakaF+gqakad

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

      b1e4af7c20e40621fb6f52b9d5b264b5ed4f6626f2de8767f0ddac5fcf6d7fc0N.exe

    • Size

      582KB

    • MD5

      3e49341ae4391452d9bd36aa6d1c9000

    • SHA1

      81bc1eba60aeb415e6f016754ac530322724e588

    • SHA256

      b1e4af7c20e40621fb6f52b9d5b264b5ed4f6626f2de8767f0ddac5fcf6d7fc0

    • SHA512

      9c4d1410917944e1531b1a9d1253f9a5f24ef3afcef18aa16939c5335ec71062ebe8648c724d33d9534438dcc623b367072303f69d8199e38504cf57f37a2c04

    • SSDEEP

      12288:cQJxlXIYNrekcPYNrq6+gmCAYNrekcPYNrB:rrIakaF+gqakad

    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