Overview

overview

10

Static

static

3

8ff68bb672...b7.exe

windows7-x64

10

8ff68bb672...b7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8ff68bb672a796d2e46bdf448d8bd7bfbc30f33b19b572b0c7fd28a184fae6b7

  • Size

    112KB

  • Sample

    250308-byhf8szrs5

  • MD5

    72de7ec855bb2c798eb3252cbdbe90ea

  • SHA1

    5cecf79b3746071d0191ddd17c71b7ff96fb828e

  • SHA256

    8ff68bb672a796d2e46bdf448d8bd7bfbc30f33b19b572b0c7fd28a184fae6b7

  • SHA512

    05961df01de3a7bd5b49c66ec5865b2516618c039c3f0d593419bebcb9b1c8fe0175da35850cc5761998db7204520f82725481064d98839b4b1f69b947dc18af

  • SSDEEP

    3072:htfz89dTfEYMvMWzG3rUHWhr1RhAo+ie0TZ:Lw9GYeMWzG3YWhr1R6xie8Z

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

      8ff68bb672a796d2e46bdf448d8bd7bfbc30f33b19b572b0c7fd28a184fae6b7

    • Size

      112KB

    • MD5

      72de7ec855bb2c798eb3252cbdbe90ea

    • SHA1

      5cecf79b3746071d0191ddd17c71b7ff96fb828e

    • SHA256

      8ff68bb672a796d2e46bdf448d8bd7bfbc30f33b19b572b0c7fd28a184fae6b7

    • SHA512

      05961df01de3a7bd5b49c66ec5865b2516618c039c3f0d593419bebcb9b1c8fe0175da35850cc5761998db7204520f82725481064d98839b4b1f69b947dc18af

    • SSDEEP

      3072:htfz89dTfEYMvMWzG3rUHWhr1RhAo+ie0TZ:Lw9GYeMWzG3YWhr1R6xie8Z

    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