Overview

overview

10

Static

static

3

2aa1e1506c...5d.exe

windows7-x64

10

2aa1e1506c...5d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    2aa1e1506cc44b4e73513b7c471cbb78719317a2c256ee9630e8b01ef7faf15d.exe

  • Size

    71KB

  • Sample

    241222-nccp3swkby

  • MD5

    90c8efb099a5bfc808db493862004876

  • SHA1

    5b3eb3ad3614ad00847c38091c34f46005d1266c

  • SHA256

    2aa1e1506cc44b4e73513b7c471cbb78719317a2c256ee9630e8b01ef7faf15d

  • SHA512

    b078ca372a60c7800913c131cca4006f5a46779ef28e8c1240beb1032eb156823284810997a6119f53c2dd9509bcf93af3b85eb1a0a50ef40e74f4a971b2295f

  • SSDEEP

    1536:0YzRel+HIcqyuGOEaL3pE1R4slqEOUDVilyPRQ4EDbEyRCRRRoR4RkS:vRw+HI1hlEaLNslqEOIvPe4CEy032yaS

Score
10/10
berbewbackdoordiscoverypersistence

Malware Config

Extracted

Family

berbew

C2

http://viruslist.com/wcmd.txt

http://viruslist.com/ppslog.php

http://viruslist.com/piplog.php?%s:%i:%i:%s:%09u:%i:%02d:%02d:%02d

Targets

    • Target

      2aa1e1506cc44b4e73513b7c471cbb78719317a2c256ee9630e8b01ef7faf15d.exe

    • Size

      71KB

    • MD5

      90c8efb099a5bfc808db493862004876

    • SHA1

      5b3eb3ad3614ad00847c38091c34f46005d1266c

    • SHA256

      2aa1e1506cc44b4e73513b7c471cbb78719317a2c256ee9630e8b01ef7faf15d

    • SHA512

      b078ca372a60c7800913c131cca4006f5a46779ef28e8c1240beb1032eb156823284810997a6119f53c2dd9509bcf93af3b85eb1a0a50ef40e74f4a971b2295f

    • SSDEEP

      1536:0YzRel+HIcqyuGOEaL3pE1R4slqEOUDVilyPRQ4EDbEyRCRRRoR4RkS:vRw+HI1hlEaLNslqEOIvPe4CEy032yaS

    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