Overview

overview

10

Static

static

3

3b390060c1...cN.exe

windows7-x64

10

3b390060c1...cN.exe

windows10-2004-x64

10

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General

  • Target

    3b390060c18bd93c1eae5cf9897d0af3a1ca2a3285f933fcf824d045a1116accN.exe

  • Size

    192KB

  • Sample

    241208-e6542sxrbp

  • MD5

    dcfffef9f2d2e8ff39d1a3319cfc5f70

  • SHA1

    57e016979858779c32c65e90a6e39434eeb64bd2

  • SHA256

    3b390060c18bd93c1eae5cf9897d0af3a1ca2a3285f933fcf824d045a1116acc

  • SHA512

    35e2ae553b8aa3eca11c416d7997fbd298ef03989b24d6f5a679e15eb2a05d64a83c9b9e6f80b13db894a046c12fbfc7721f53b3239c0ce7274be3347cbcb3d4

  • SSDEEP

    3072:9i7y/yqOUweDI7OFOS3FQo7fnEBctcp/+wreVism:9iW/zfwoICFOS3FF7fPtcsw6U1

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

      3b390060c18bd93c1eae5cf9897d0af3a1ca2a3285f933fcf824d045a1116accN.exe

    • Size

      192KB

    • MD5

      dcfffef9f2d2e8ff39d1a3319cfc5f70

    • SHA1

      57e016979858779c32c65e90a6e39434eeb64bd2

    • SHA256

      3b390060c18bd93c1eae5cf9897d0af3a1ca2a3285f933fcf824d045a1116acc

    • SHA512

      35e2ae553b8aa3eca11c416d7997fbd298ef03989b24d6f5a679e15eb2a05d64a83c9b9e6f80b13db894a046c12fbfc7721f53b3239c0ce7274be3347cbcb3d4

    • SSDEEP

      3072:9i7y/yqOUweDI7OFOS3FQo7fnEBctcp/+wreVism:9iW/zfwoICFOS3FF7fPtcsw6U1

    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