Overview

overview

10

Static

static

3

2121898151...39.exe

windows7-x64

10

2121898151...39.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2121898151f13542732adde11e565fe310b7b6ff09cbb6fc7d2f9c1e7bfeaa39.exe

  • Size

    71KB

  • Sample

    241123-myqndszldn

  • MD5

    b27692ef7e14799bc502b65cd513f426

  • SHA1

    7ea02dedb494437d8eabc478d283b95ce681dde2

  • SHA256

    2121898151f13542732adde11e565fe310b7b6ff09cbb6fc7d2f9c1e7bfeaa39

  • SHA512

    567eb25d6d5287970ba868fc0a184716a9bc8f7a74a2f74a406d392de4715400e66dac757d762053ea86326966da4cbf2c31f53cb5b4e1c7c8f6082be40ed4e5

  • SSDEEP

    1536:A1ste+xT7Y8i9075tJIzKWWFHlURWCMLVyWI9FqXtPRQsDbEyRCRRRoR4RkW:A1ste+xTs8z5rIznWFF5oWI9FYPeKEyK

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      2121898151f13542732adde11e565fe310b7b6ff09cbb6fc7d2f9c1e7bfeaa39.exe

    • Size

      71KB

    • MD5

      b27692ef7e14799bc502b65cd513f426

    • SHA1

      7ea02dedb494437d8eabc478d283b95ce681dde2

    • SHA256

      2121898151f13542732adde11e565fe310b7b6ff09cbb6fc7d2f9c1e7bfeaa39

    • SHA512

      567eb25d6d5287970ba868fc0a184716a9bc8f7a74a2f74a406d392de4715400e66dac757d762053ea86326966da4cbf2c31f53cb5b4e1c7c8f6082be40ed4e5

    • SSDEEP

      1536:A1ste+xT7Y8i9075tJIzKWWFHlURWCMLVyWI9FqXtPRQsDbEyRCRRRoR4RkW:A1ste+xTs8z5rIznWFF5oWI9FYPeKEyK

    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