Overview

overview

10

Static

static

3

8e7fa38e1e...77.exe

windows7-x64

10

8e7fa38e1e...77.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    8e7fa38e1e19b69b8d8237c5aaae4aba62c151485873143e644a0a3eb4795577

  • Size

    93KB

  • Sample

    241225-asjxfasjay

  • MD5

    5b6a10f83eb59655ae38245b2ab78c29

  • SHA1

    8828dba56e1ad8d9b95970cd2c848c1ffa36a4c5

  • SHA256

    8e7fa38e1e19b69b8d8237c5aaae4aba62c151485873143e644a0a3eb4795577

  • SHA512

    f3179b4d5a8e2193c6404cf5407bb055e700e95c56d81cbbdb351ed1d0f747ff16afed53d29828b0d925e9b48fad2278ec5e02255b88d96df31329d899938288

  • SSDEEP

    1536:aBCEU4bE98b7VbyaNNPg3eRHH8xaOYZDQUS6iW6zHgLG5HQsaMiwihtIbbpkp:NEvE98dp3dHNyciWCHga5wdMiwaIbbp4

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

      8e7fa38e1e19b69b8d8237c5aaae4aba62c151485873143e644a0a3eb4795577

    • Size

      93KB

    • MD5

      5b6a10f83eb59655ae38245b2ab78c29

    • SHA1

      8828dba56e1ad8d9b95970cd2c848c1ffa36a4c5

    • SHA256

      8e7fa38e1e19b69b8d8237c5aaae4aba62c151485873143e644a0a3eb4795577

    • SHA512

      f3179b4d5a8e2193c6404cf5407bb055e700e95c56d81cbbdb351ed1d0f747ff16afed53d29828b0d925e9b48fad2278ec5e02255b88d96df31329d899938288

    • SSDEEP

      1536:aBCEU4bE98b7VbyaNNPg3eRHH8xaOYZDQUS6iW6zHgLG5HQsaMiwihtIbbpkp:NEvE98dp3dHNyciWCHga5wdMiwaIbbp4

    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