Overview

overview

10

Static

static

10

b131b56e8a...7N.exe

windows7-x64

10

b131b56e8a...7N.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b131b56e8aa3a65dc1b2845deb085c555493fd8a78c42f2c67cab64c22e1fb97N.exe

  • Size

    432KB

  • Sample

    250111-hmpjqszkbs

  • MD5

    ef72049f732f23ae4c1a98a85e7e7810

  • SHA1

    2029c543cd0a082eb249b312edd9a283ac1b7316

  • SHA256

    b131b56e8aa3a65dc1b2845deb085c555493fd8a78c42f2c67cab64c22e1fb97

  • SHA512

    56a2e6939b9e3245465e616ad6c4d24343395c2772ccf97e69439dae0b5b2307eee4070939f864dab3e6b9b155effac4c59ba3d1e8ad9d36e3abc4ad9dd79e32

  • SSDEEP

    12288:GMpi//OVLCoooooooooooooooooooooooooYKiUNl:GlWVLw47

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

      b131b56e8aa3a65dc1b2845deb085c555493fd8a78c42f2c67cab64c22e1fb97N.exe

    • Size

      432KB

    • MD5

      ef72049f732f23ae4c1a98a85e7e7810

    • SHA1

      2029c543cd0a082eb249b312edd9a283ac1b7316

    • SHA256

      b131b56e8aa3a65dc1b2845deb085c555493fd8a78c42f2c67cab64c22e1fb97

    • SHA512

      56a2e6939b9e3245465e616ad6c4d24343395c2772ccf97e69439dae0b5b2307eee4070939f864dab3e6b9b155effac4c59ba3d1e8ad9d36e3abc4ad9dd79e32

    • SSDEEP

      12288:GMpi//OVLCoooooooooooooooooooooooooYKiUNl:GlWVLw47

    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