Overview

overview

10

Static

static

3

b04b01a7c1...30.exe

windows7-x64

10

b04b01a7c1...30.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b04b01a7c18605b3b23dac284915f66c5b82fb04a81deb39c60faeabe30fc830.exe

  • Size

    74KB

  • Sample

    241123-cw2mrs1rer

  • MD5

    4d231267cb124bb0c0c138269b15942e

  • SHA1

    e1203fb43ad53e4db69c270f0f24641f671029a7

  • SHA256

    b04b01a7c18605b3b23dac284915f66c5b82fb04a81deb39c60faeabe30fc830

  • SHA512

    835e737c358d2b55b51d8e91fdea5ea24f40a2df7335b24ace67659a067b405c43fc6810afdbc986406d8bf8d8637867b2d0780af22f411cb074447cd8a14a6e

  • SSDEEP

    1536:AkNrh22m7wSx364//WYY0AiPlkvmWRCU3pN86hHdELslJxH:jzm7qu/WN0AikvRRCipW6h9EL+F

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

      b04b01a7c18605b3b23dac284915f66c5b82fb04a81deb39c60faeabe30fc830.exe

    • Size

      74KB

    • MD5

      4d231267cb124bb0c0c138269b15942e

    • SHA1

      e1203fb43ad53e4db69c270f0f24641f671029a7

    • SHA256

      b04b01a7c18605b3b23dac284915f66c5b82fb04a81deb39c60faeabe30fc830

    • SHA512

      835e737c358d2b55b51d8e91fdea5ea24f40a2df7335b24ace67659a067b405c43fc6810afdbc986406d8bf8d8637867b2d0780af22f411cb074447cd8a14a6e

    • SSDEEP

      1536:AkNrh22m7wSx364//WYY0AiPlkvmWRCU3pN86hHdELslJxH:jzm7qu/WN0AikvRRCipW6h9EL+F

    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