Overview

overview

10

Static

static

3

a75cfcdc78...f7.exe

windows7-x64

10

a75cfcdc78...f7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a75cfcdc78af7f705407b1a17f6f6f07459775831bd19fcf5b2f1e846e65a1f7

  • Size

    96KB

  • Sample

    241225-bse4xstjcy

  • MD5

    5d39dea3055bf83ad5efafae34221b66

  • SHA1

    c89c150432740f0974cf76dd5af8eb13a6ac364b

  • SHA256

    a75cfcdc78af7f705407b1a17f6f6f07459775831bd19fcf5b2f1e846e65a1f7

  • SHA512

    b4ea310c4fb6b8d04caf1aab59482400449708716eb2a712ef2fecb54520268f6d21b0a0359cfac718cddce81922f61518b9ad33e21cfe6c650f34b60b4fe902

  • SSDEEP

    3072:rGbAqxNnCyln/nrssL7jJhtU1DOd69jc0vH:gjnCw/nrse7Hq1Kd6NVH

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

      a75cfcdc78af7f705407b1a17f6f6f07459775831bd19fcf5b2f1e846e65a1f7

    • Size

      96KB

    • MD5

      5d39dea3055bf83ad5efafae34221b66

    • SHA1

      c89c150432740f0974cf76dd5af8eb13a6ac364b

    • SHA256

      a75cfcdc78af7f705407b1a17f6f6f07459775831bd19fcf5b2f1e846e65a1f7

    • SHA512

      b4ea310c4fb6b8d04caf1aab59482400449708716eb2a712ef2fecb54520268f6d21b0a0359cfac718cddce81922f61518b9ad33e21cfe6c650f34b60b4fe902

    • SSDEEP

      3072:rGbAqxNnCyln/nrssL7jJhtU1DOd69jc0vH:gjnCw/nrse7Hq1Kd6NVH

    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