Overview

overview

10

Static

static

3

b9aa1d7dfb...28.exe

windows7-x64

10

b9aa1d7dfb...28.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b9aa1d7dfb381ff1cf5a889a84493c5b8b02b03bd19f1841e6a3ef08f6d3ec28

  • Size

    95KB

  • Sample

    241223-cy4j5strgv

  • MD5

    c4a51be5f6d35b13750c1c7d26d50b86

  • SHA1

    16db222fcca79e2e8fc659546209e4c594b689e1

  • SHA256

    b9aa1d7dfb381ff1cf5a889a84493c5b8b02b03bd19f1841e6a3ef08f6d3ec28

  • SHA512

    9da2c3e90942945833e6a99b61bb92f73a6d8669328afbc9409e7da76a73006866bfd117cc77f7b10db6e924bbe6d99eff9d34dc28aa5ec3938caf408448787b

  • SSDEEP

    1536:l+Af6ju+YYULjGDauAPG75cdrorEQOoyIrn3333333333333333333333333333r:lrJ+XkCx5cdroYNoVrn333333333333r

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

      b9aa1d7dfb381ff1cf5a889a84493c5b8b02b03bd19f1841e6a3ef08f6d3ec28

    • Size

      95KB

    • MD5

      c4a51be5f6d35b13750c1c7d26d50b86

    • SHA1

      16db222fcca79e2e8fc659546209e4c594b689e1

    • SHA256

      b9aa1d7dfb381ff1cf5a889a84493c5b8b02b03bd19f1841e6a3ef08f6d3ec28

    • SHA512

      9da2c3e90942945833e6a99b61bb92f73a6d8669328afbc9409e7da76a73006866bfd117cc77f7b10db6e924bbe6d99eff9d34dc28aa5ec3938caf408448787b

    • SSDEEP

      1536:l+Af6ju+YYULjGDauAPG75cdrorEQOoyIrn3333333333333333333333333333r:lrJ+XkCx5cdroYNoVrn333333333333r

    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