Overview

overview

10

Static

static

3

9cf1f0862d...c5.exe

windows7-x64

10

9cf1f0862d...c5.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    9cf1f0862da8044c36c07d7b1bc79a0d33222432333828d81a84182c0a9f8ac5

  • Size

    406KB

  • Sample

    241208-bv535azqcj

  • MD5

    e93bb6ef9a7b40130a7c515c5b8fa3c5

  • SHA1

    351bf980908bcada969477985c86a4d22fd158cf

  • SHA256

    9cf1f0862da8044c36c07d7b1bc79a0d33222432333828d81a84182c0a9f8ac5

  • SHA512

    b32ff8f8cd6f36732cc1f50e387a8cc060be1c295fcfee0e1837cc758fbf9fbf2602e80efd7b255e270b144c2ab904999877c32307f60ec536a09627f7f3440c

  • SSDEEP

    6144:TWm5wKTDFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo5:TWmdFB24lwR45FB24lJ87g7a

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

      9cf1f0862da8044c36c07d7b1bc79a0d33222432333828d81a84182c0a9f8ac5

    • Size

      406KB

    • MD5

      e93bb6ef9a7b40130a7c515c5b8fa3c5

    • SHA1

      351bf980908bcada969477985c86a4d22fd158cf

    • SHA256

      9cf1f0862da8044c36c07d7b1bc79a0d33222432333828d81a84182c0a9f8ac5

    • SHA512

      b32ff8f8cd6f36732cc1f50e387a8cc060be1c295fcfee0e1837cc758fbf9fbf2602e80efd7b255e270b144c2ab904999877c32307f60ec536a09627f7f3440c

    • SSDEEP

      6144:TWm5wKTDFM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo5:TWmdFB24lwR45FB24lJ87g7a

    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