Overview

overview

10

Static

static

3

fed5aa8b8b...01.exe

windows7-x64

10

fed5aa8b8b...01.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    fed5aa8b8b61cf7ac63d9062b9ea5bab9d50890c6762776cdbea9706f75b1001

  • Size

    83KB

  • Sample

    250218-kb7x2szqw7

  • MD5

    b09173abd7125951be506c067017c78e

  • SHA1

    a59ec771d21005f3ae2191384adae7afaddd6523

  • SHA256

    fed5aa8b8b61cf7ac63d9062b9ea5bab9d50890c6762776cdbea9706f75b1001

  • SHA512

    97a2b4da015cf38f49bdf30c11c5d99a2551be3158c695aa97075886793fd4af957d0cf0a740b4b6d23561db0fe7c7c980a4bea1caa7e29cab0fcb960cf4d5d1

  • SSDEEP

    1536:skdXH08uRuGDx8T5TETUQ4hYuP/POEqKgfBAzKU1s12RQBiVRhDxSRdRaTRx:7dX1InOZauP3M2zlTeAV7DxSvITX

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

      fed5aa8b8b61cf7ac63d9062b9ea5bab9d50890c6762776cdbea9706f75b1001

    • Size

      83KB

    • MD5

      b09173abd7125951be506c067017c78e

    • SHA1

      a59ec771d21005f3ae2191384adae7afaddd6523

    • SHA256

      fed5aa8b8b61cf7ac63d9062b9ea5bab9d50890c6762776cdbea9706f75b1001

    • SHA512

      97a2b4da015cf38f49bdf30c11c5d99a2551be3158c695aa97075886793fd4af957d0cf0a740b4b6d23561db0fe7c7c980a4bea1caa7e29cab0fcb960cf4d5d1

    • SSDEEP

      1536:skdXH08uRuGDx8T5TETUQ4hYuP/POEqKgfBAzKU1s12RQBiVRhDxSRdRaTRx:7dX1InOZauP3M2zlTeAV7DxSvITX

    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