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Overview

overview

10

Static

static

3

9c737a8a49...5b.exe

windows7-x64

10

9c737a8a49...5b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9c737a8a498f73c5b8826bc19db4e8dc3b16c1c2f1b82703734a88d49f6db85b

  • Size

    90KB

  • Sample

    250308-gmda2asnw9

  • MD5

    42652ce35360d5c140439967f4625532

  • SHA1

    c661b717494b3a63211bc56b6bd3e9c9a3559e46

  • SHA256

    9c737a8a498f73c5b8826bc19db4e8dc3b16c1c2f1b82703734a88d49f6db85b

  • SHA512

    f549599878b00225ad205d66bd6b57fa07f8b5d6d1b94edd50cba86f2bfa2b335adb48feb1604d85d1227cc8a6577a2b89c5353e5561e828897492465775ebee

  • SSDEEP

    1536:WS7ny75v54FcB66j6zX3hJTbvgOkOlPoytM1nxb4L2RaXSfOOQ/4BrGTI5Yxj:WSKaIA3fuRxU+U/4kT0Yxj

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

      9c737a8a498f73c5b8826bc19db4e8dc3b16c1c2f1b82703734a88d49f6db85b

    • Size

      90KB

    • MD5

      42652ce35360d5c140439967f4625532

    • SHA1

      c661b717494b3a63211bc56b6bd3e9c9a3559e46

    • SHA256

      9c737a8a498f73c5b8826bc19db4e8dc3b16c1c2f1b82703734a88d49f6db85b

    • SHA512

      f549599878b00225ad205d66bd6b57fa07f8b5d6d1b94edd50cba86f2bfa2b335adb48feb1604d85d1227cc8a6577a2b89c5353e5561e828897492465775ebee

    • SSDEEP

      1536:WS7ny75v54FcB66j6zX3hJTbvgOkOlPoytM1nxb4L2RaXSfOOQ/4BrGTI5Yxj:WSKaIA3fuRxU+U/4kT0Yxj

    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