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Overview

overview

10

Static

static

3

85fc6e874b...b2.exe

windows7-x64

10

85fc6e874b...b2.exe

windows10-2004-x64

10

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General

  • Target

    85fc6e874b79dcee76b98e6fd8fb88535878a933889e6013274dc85d0de5e9b2

  • Size

    89KB

  • Sample

    241225-afxyja1pcs

  • MD5

    4fdecddf990b7dfc7ff5351a37c1dba1

  • SHA1

    858fc2a11f6236d65ab4fb640e69ac8607e41b7d

  • SHA256

    85fc6e874b79dcee76b98e6fd8fb88535878a933889e6013274dc85d0de5e9b2

  • SHA512

    b09ac6e6d850b3cc0cf798b3e22a54327ebc7c43a346cc6c685b3ff47093990303e27ae01dce5462ec36d150caaff01950be45632c596785f3a0189b46fed650

  • SSDEEP

    1536:ItyW8oxKpy3QyH86FQGgfn8y70qSjnP9inGQ0ehRQzR+KRFR3RzR1URJrCiuiNjH:6yW7dx8ugf8y7RSjn1inV5ezjb5ZXUf5

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

      85fc6e874b79dcee76b98e6fd8fb88535878a933889e6013274dc85d0de5e9b2

    • Size

      89KB

    • MD5

      4fdecddf990b7dfc7ff5351a37c1dba1

    • SHA1

      858fc2a11f6236d65ab4fb640e69ac8607e41b7d

    • SHA256

      85fc6e874b79dcee76b98e6fd8fb88535878a933889e6013274dc85d0de5e9b2

    • SHA512

      b09ac6e6d850b3cc0cf798b3e22a54327ebc7c43a346cc6c685b3ff47093990303e27ae01dce5462ec36d150caaff01950be45632c596785f3a0189b46fed650

    • SSDEEP

      1536:ItyW8oxKpy3QyH86FQGgfn8y70qSjnP9inGQ0ehRQzR+KRFR3RzR1URJrCiuiNjH:6yW7dx8ugf8y7RSjn1inV5ezjb5ZXUf5

    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