Overview

overview

10

Static

static

3

a0975c8f9f...d6.exe

windows7-x64

10

a0975c8f9f...d6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a0975c8f9fd70405630206a976f98904ac576028f7446a0dc4f1c97927c0d0d6.exe

  • Size

    285KB

  • Sample

    250111-hlj8maskgj

  • MD5

    1e108a33308ca83dee1b75a06efa1154

  • SHA1

    77b5b06502ee358e09ffc5410bc4a405c33f3020

  • SHA256

    a0975c8f9fd70405630206a976f98904ac576028f7446a0dc4f1c97927c0d0d6

  • SHA512

    0d323937477f3f8ec58db086ad489081adf9f306a98e1ad0a242f996b6e84f7bf93da4f8f38e2c2966bc372c8eaa0f62b1143c7f12ac8ab17f7721f13396008c

  • SSDEEP

    3072:wh6NxzE2jgnlk6JM0NZBvl6eTKVcbMloVRr3uMg0kAqSxYiJ2QM4GKc5:w6rgnlk6VvHTKQIoi7tWq

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

      a0975c8f9fd70405630206a976f98904ac576028f7446a0dc4f1c97927c0d0d6.exe

    • Size

      285KB

    • MD5

      1e108a33308ca83dee1b75a06efa1154

    • SHA1

      77b5b06502ee358e09ffc5410bc4a405c33f3020

    • SHA256

      a0975c8f9fd70405630206a976f98904ac576028f7446a0dc4f1c97927c0d0d6

    • SHA512

      0d323937477f3f8ec58db086ad489081adf9f306a98e1ad0a242f996b6e84f7bf93da4f8f38e2c2966bc372c8eaa0f62b1143c7f12ac8ab17f7721f13396008c

    • SSDEEP

      3072:wh6NxzE2jgnlk6JM0NZBvl6eTKVcbMloVRr3uMg0kAqSxYiJ2QM4GKc5:w6rgnlk6VvHTKQIoi7tWq

    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