Overview

overview

10

Static

static

3

97a1a5fea2...1N.exe

windows7-x64

10

97a1a5fea2...1N.exe

windows10-2004-x64

10

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General

  • Target

    97a1a5fea278b170d7ad68a0c835d2385c2886a9f47249ae9dd76e2fd011a431N

  • Size

    94KB

  • Sample

    241011-ytek4s1dnb

  • MD5

    124760398c25415bf8b6ef51e20c7760

  • SHA1

    86e1ec0f5cb213a2459d2003c31cdb98c113fe93

  • SHA256

    97a1a5fea278b170d7ad68a0c835d2385c2886a9f47249ae9dd76e2fd011a431

  • SHA512

    b5b67f9bdc143dfd872b4085d3a088f3bf09cce48484f9d38c4c935bb2b3310ff9b1b4da722499b38e5c487f9b540bb750fd167ddb73f411f60e7eaead8c7f89

  • SSDEEP

    1536:oBz9cLaFUEPaUJqwuqVyUJwY73e3cB00ljnUsOcdeCcSqjRpB7BR9L4DT2EnINs:oFGWFUEPzJhV7wke3w0UnUsbtcLpB6+4

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

      97a1a5fea278b170d7ad68a0c835d2385c2886a9f47249ae9dd76e2fd011a431N

    • Size

      94KB

    • MD5

      124760398c25415bf8b6ef51e20c7760

    • SHA1

      86e1ec0f5cb213a2459d2003c31cdb98c113fe93

    • SHA256

      97a1a5fea278b170d7ad68a0c835d2385c2886a9f47249ae9dd76e2fd011a431

    • SHA512

      b5b67f9bdc143dfd872b4085d3a088f3bf09cce48484f9d38c4c935bb2b3310ff9b1b4da722499b38e5c487f9b540bb750fd167ddb73f411f60e7eaead8c7f89

    • SSDEEP

      1536:oBz9cLaFUEPaUJqwuqVyUJwY73e3cB00ljnUsOcdeCcSqjRpB7BR9L4DT2EnINs:oFGWFUEPzJhV7wke3w0UnUsbtcLpB6+4

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks