Overview

overview

10

Static

static

10

98222fbdbe...c4.exe

windows7-x64

10

98222fbdbe...c4.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    98222fbdbe9d3ec83dcda9d50b788d9210550630784276f71965cf4ee22504c4.exe

  • Size

    108KB

  • Sample

    241225-z9r2taymbn

  • MD5

    ca63f81600cd5425627ea2f0d39aaf6e

  • SHA1

    48b618b82f1ef08d78aa5f179de6c76a15bb9783

  • SHA256

    98222fbdbe9d3ec83dcda9d50b788d9210550630784276f71965cf4ee22504c4

  • SHA512

    f6001ed392de066b357988f35f4530ca3f840150c3f0f109712901f4373e43429185f6265ccef6e0cf48d3a141ccdf07b9d324c9b965ccafab08b0728cba62d6

  • SSDEEP

    3072:dYr83CiEcO+6xTJvqKoCu/WFcFmKcUsvKwFo:d6YO+6J1qKhamUs+

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

      98222fbdbe9d3ec83dcda9d50b788d9210550630784276f71965cf4ee22504c4.exe

    • Size

      108KB

    • MD5

      ca63f81600cd5425627ea2f0d39aaf6e

    • SHA1

      48b618b82f1ef08d78aa5f179de6c76a15bb9783

    • SHA256

      98222fbdbe9d3ec83dcda9d50b788d9210550630784276f71965cf4ee22504c4

    • SHA512

      f6001ed392de066b357988f35f4530ca3f840150c3f0f109712901f4373e43429185f6265ccef6e0cf48d3a141ccdf07b9d324c9b965ccafab08b0728cba62d6

    • SSDEEP

      3072:dYr83CiEcO+6xTJvqKoCu/WFcFmKcUsvKwFo:d6YO+6J1qKhamUs+

    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