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Overview

overview

10

Static

static

3

3a4b5d5f81...fN.exe

windows7-x64

10

3a4b5d5f81...fN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    3a4b5d5f816c6da6493939ef9191a5ff72c17a41d442f9062cc56d57da97739fN.exe

  • Size

    74KB

  • Sample

    241222-qexjdazlhr

  • MD5

    8fedc2843dd701053b292c1f0c15fdd0

  • SHA1

    574cce02e07cf3293aadb77e218fb4d6ffeae863

  • SHA256

    3a4b5d5f816c6da6493939ef9191a5ff72c17a41d442f9062cc56d57da97739f

  • SHA512

    8db09cf57c350fb61e09de6917ca82239f0a4d559496b5ccb423fa5d6dba2b975ded8d0a6ad5663859d92bed8e6822b6d733375507ecc3a8f82d6e5dd3402e58

  • SSDEEP

    1536:mEIcby9/XgYikDjkFT6XqlzjD1px99zztwkW7s6c9TVh7PIL:mExIX2kDjhXujD3P1ztxYcdHIL

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

      3a4b5d5f816c6da6493939ef9191a5ff72c17a41d442f9062cc56d57da97739fN.exe

    • Size

      74KB

    • MD5

      8fedc2843dd701053b292c1f0c15fdd0

    • SHA1

      574cce02e07cf3293aadb77e218fb4d6ffeae863

    • SHA256

      3a4b5d5f816c6da6493939ef9191a5ff72c17a41d442f9062cc56d57da97739f

    • SHA512

      8db09cf57c350fb61e09de6917ca82239f0a4d559496b5ccb423fa5d6dba2b975ded8d0a6ad5663859d92bed8e6822b6d733375507ecc3a8f82d6e5dd3402e58

    • SSDEEP

      1536:mEIcby9/XgYikDjkFT6XqlzjD1px99zztwkW7s6c9TVh7PIL:mExIX2kDjhXujD3P1ztxYcdHIL

    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