Overview

overview

10

Static

static

3

af3662aa65...6b.exe

windows7-x64

10

af3662aa65...6b.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    af3662aa65213e225a76d8292abf500c2c4517716f0618851a9504dbf22bbe6b.exe

  • Size

    120KB

  • Sample

    241225-z11ycsxpdw

  • MD5

    481f6d92f366cbd2aa1d223836410b49

  • SHA1

    17af0f42ec9aae2303d589256dbb50069a9d4b0f

  • SHA256

    af3662aa65213e225a76d8292abf500c2c4517716f0618851a9504dbf22bbe6b

  • SHA512

    1f35f45652d3098951a11473b680156487906670c06c1c00fcbd69348e6967a0f63d22d27f3b38be13a56e90479855ac3ba009a2e10d2b8dc8f00a76ef6a9207

  • SSDEEP

    3072:jPg5ssRtp4UcdRo7zlbMXUFUi/mjRrz3C:jP2ssOU2m7zlokFUi/GC

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

      af3662aa65213e225a76d8292abf500c2c4517716f0618851a9504dbf22bbe6b.exe

    • Size

      120KB

    • MD5

      481f6d92f366cbd2aa1d223836410b49

    • SHA1

      17af0f42ec9aae2303d589256dbb50069a9d4b0f

    • SHA256

      af3662aa65213e225a76d8292abf500c2c4517716f0618851a9504dbf22bbe6b

    • SHA512

      1f35f45652d3098951a11473b680156487906670c06c1c00fcbd69348e6967a0f63d22d27f3b38be13a56e90479855ac3ba009a2e10d2b8dc8f00a76ef6a9207

    • SSDEEP

      3072:jPg5ssRtp4UcdRo7zlbMXUFUi/mjRrz3C:jP2ssOU2m7zlokFUi/GC

    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