Overview

overview

10

Static

static

3

b45746fde2...bN.exe

windows7-x64

10

b45746fde2...bN.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b45746fde22f0c9ab59508e6545a75f99df8b093eb03e831c41d6686721e520bN.exe

  • Size

    74KB

  • Sample

    241208-cxtnjssqap

  • MD5

    8f20c4d912cc00115092be909eae5e50

  • SHA1

    be6474ad91fc6b4db33016f826fcd79105480813

  • SHA256

    b45746fde22f0c9ab59508e6545a75f99df8b093eb03e831c41d6686721e520b

  • SHA512

    7c4f90bb2b18f83dbcc21a6dc5aad9152b7f89f52f2155d2b093a2cdbe0d25870162fe10bad607a9a16244e57444c3ea12069456ae06f9bdf279ab5d74a2ab3c

  • SSDEEP

    1536:w1qgugtusrPWHFWP4tgXS/rc7U+yQ3pJqQ+BGQnNTwM+kpXeMBeLHN20mCWSj:w1qgbrPWH4PcgXSDc7U+yQ5JqQgnNCO6

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

      b45746fde22f0c9ab59508e6545a75f99df8b093eb03e831c41d6686721e520bN.exe

    • Size

      74KB

    • MD5

      8f20c4d912cc00115092be909eae5e50

    • SHA1

      be6474ad91fc6b4db33016f826fcd79105480813

    • SHA256

      b45746fde22f0c9ab59508e6545a75f99df8b093eb03e831c41d6686721e520b

    • SHA512

      7c4f90bb2b18f83dbcc21a6dc5aad9152b7f89f52f2155d2b093a2cdbe0d25870162fe10bad607a9a16244e57444c3ea12069456ae06f9bdf279ab5d74a2ab3c

    • SSDEEP

      1536:w1qgugtusrPWHFWP4tgXS/rc7U+yQ3pJqQ+BGQnNTwM+kpXeMBeLHN20mCWSj:w1qgbrPWH4PcgXSDc7U+yQ5JqQgnNCO6

    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