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Overview

overview

10

Static

static

3

e488ec798b...e7.exe

windows7-x64

10

e488ec798b...e7.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    e488ec798bf1fe0891b0cde65d13285968c2b1d0544abd44e9537dd663e7c0e7

  • Size

    96KB

  • Sample

    250305-nxcktaxwcx

  • MD5

    35c52e8924ec5e6df6a22a5e31a625da

  • SHA1

    7632266760f71be1cb11f7325147a1b0f90c9afc

  • SHA256

    e488ec798bf1fe0891b0cde65d13285968c2b1d0544abd44e9537dd663e7c0e7

  • SHA512

    b4e96a43aa14f8e99661bf6597e3e80412e06c0182d41acb3751bd31751153ae5bc1988b1422350cf9bc7466ce3c929b709a3162bb1fe07dabafe64d8aeae9fe

  • SSDEEP

    1536:pJIFCTz9bQfT42nCGmg57kyx/PN/WLNkCaAjWbjtKBvU:pcCWT42nCGrkIPELNkCVwtCU

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

      e488ec798bf1fe0891b0cde65d13285968c2b1d0544abd44e9537dd663e7c0e7

    • Size

      96KB

    • MD5

      35c52e8924ec5e6df6a22a5e31a625da

    • SHA1

      7632266760f71be1cb11f7325147a1b0f90c9afc

    • SHA256

      e488ec798bf1fe0891b0cde65d13285968c2b1d0544abd44e9537dd663e7c0e7

    • SHA512

      b4e96a43aa14f8e99661bf6597e3e80412e06c0182d41acb3751bd31751153ae5bc1988b1422350cf9bc7466ce3c929b709a3162bb1fe07dabafe64d8aeae9fe

    • SSDEEP

      1536:pJIFCTz9bQfT42nCGmg57kyx/PN/WLNkCaAjWbjtKBvU:pcCWT42nCGrkIPELNkCVwtCU

    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