Overview

overview

10

Static

static

3

1bb682b48f...c7.exe

windows7-x64

10

1bb682b48f...c7.exe

windows10-2004-x64

10

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General

  • Target

    1bb682b48fc3b0f3123c1c7a4b0474a0666dcd8444885d4e4f32acd94706dfc7

  • Size

    161KB

  • Sample

    241009-xnnq6a1hrr

  • MD5

    c84843c4da99e5b20fb695d02e7f536b

  • SHA1

    f967b19e617a469a6649598bfb2f64e2efff9209

  • SHA256

    1bb682b48fc3b0f3123c1c7a4b0474a0666dcd8444885d4e4f32acd94706dfc7

  • SHA512

    909eda47978279f8b5c72570a34b70701127ae677bc4e311e9d863924dbabee480d558fdcffab4434f1764b7f7f1999f1bfb61fb185d72d1b4c0f8f440cdf835

  • SSDEEP

    3072:nsz8ChrF30TDnBbCerKxm2pef8vqezXkXVwtCJXeex7rrIRZK8K8/kvN:7u0TDpCPefEqUXkXVwtmeetrIyRN

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

      1bb682b48fc3b0f3123c1c7a4b0474a0666dcd8444885d4e4f32acd94706dfc7

    • Size

      161KB

    • MD5

      c84843c4da99e5b20fb695d02e7f536b

    • SHA1

      f967b19e617a469a6649598bfb2f64e2efff9209

    • SHA256

      1bb682b48fc3b0f3123c1c7a4b0474a0666dcd8444885d4e4f32acd94706dfc7

    • SHA512

      909eda47978279f8b5c72570a34b70701127ae677bc4e311e9d863924dbabee480d558fdcffab4434f1764b7f7f1999f1bfb61fb185d72d1b4c0f8f440cdf835

    • SSDEEP

      3072:nsz8ChrF30TDnBbCerKxm2pef8vqezXkXVwtCJXeex7rrIRZK8K8/kvN:7u0TDpCPefEqUXkXVwtmeetrIyRN

    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

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks