Overview

overview

10

Static

static

3

b74f93ddcc...91.exe

windows7-x64

10

b74f93ddcc...91.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    b74f93ddcc860c511a444449c94e4b28f1df232a35dc57d3a1f27848be4c7e91

  • Size

    92KB

  • Sample

    250306-ltzvtswlt7

  • MD5

    7ada858f71d801e5cbc2ff2c83144d4e

  • SHA1

    5104cd20b49c3637fcd3cf2c7c85583ad3d98e5e

  • SHA256

    b74f93ddcc860c511a444449c94e4b28f1df232a35dc57d3a1f27848be4c7e91

  • SHA512

    8afc6f28112397cfc59d56185266a0c72db832af3f5cbc0bbe8232e8c08fe612a5589a84644aa299adc3accb33e2cf1af878831ffdf3e58074f28c022d53bda5

  • SSDEEP

    1536:+MgOQ4P2FC/h40xyWJveKX/mCfsBWouN3imnunGP+y:+lC/dxyWoQ/fsBuVbe4+y

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

      b74f93ddcc860c511a444449c94e4b28f1df232a35dc57d3a1f27848be4c7e91

    • Size

      92KB

    • MD5

      7ada858f71d801e5cbc2ff2c83144d4e

    • SHA1

      5104cd20b49c3637fcd3cf2c7c85583ad3d98e5e

    • SHA256

      b74f93ddcc860c511a444449c94e4b28f1df232a35dc57d3a1f27848be4c7e91

    • SHA512

      8afc6f28112397cfc59d56185266a0c72db832af3f5cbc0bbe8232e8c08fe612a5589a84644aa299adc3accb33e2cf1af878831ffdf3e58074f28c022d53bda5

    • SSDEEP

      1536:+MgOQ4P2FC/h40xyWJveKX/mCfsBWouN3imnunGP+y:+lC/dxyWoQ/fsBuVbe4+y

    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