Overview

overview

10

Static

static

3

a1c2858456...a6.exe

windows7-x64

10

a1c2858456...a6.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    a1c28584564f67aaec40c71ed0563233f92e84f50cfd54a557287d5b9d066ca6

  • Size

    520KB

  • Sample

    241209-b269rssmam

  • MD5

    c893222bc5db9a26703798449b1fc257

  • SHA1

    d0b70f69c046c0030ffe8d5e84acd2528bc1169b

  • SHA256

    a1c28584564f67aaec40c71ed0563233f92e84f50cfd54a557287d5b9d066ca6

  • SHA512

    0108b9fd34d8311330fd1c779fe87d6df2932e0f8458892d8aafef37268a7efcf2a110943009e7fbc2b866f1553ed0a9c6c073769832ccd7fd517f1d3183a0c5

  • SSDEEP

    6144:zKEciU1FM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcgEX:ztcikFB24lwR45FB24lJ87g7/VycgEX

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

      a1c28584564f67aaec40c71ed0563233f92e84f50cfd54a557287d5b9d066ca6

    • Size

      520KB

    • MD5

      c893222bc5db9a26703798449b1fc257

    • SHA1

      d0b70f69c046c0030ffe8d5e84acd2528bc1169b

    • SHA256

      a1c28584564f67aaec40c71ed0563233f92e84f50cfd54a557287d5b9d066ca6

    • SHA512

      0108b9fd34d8311330fd1c779fe87d6df2932e0f8458892d8aafef37268a7efcf2a110943009e7fbc2b866f1553ed0a9c6c073769832ccd7fd517f1d3183a0c5

    • SSDEEP

      6144:zKEciU1FM6234lKm3mo8Yvi4KsLTFM6234lKm3r8SeNpgdyuH1lZfRo0V8JcgEX:ztcikFB24lwR45FB24lJ87g7/VycgEX

    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