Overview

overview

10

Static

static

3

7ba41e31ce...4d.exe

windows7-x64

10

7ba41e31ce...4d.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    7ba41e31ce7952167d136428efa6ba1ee575998ee2b015f45a82c6170b2ba34d

  • Size

    211KB

  • Sample

    250306-f121wazqs3

  • MD5

    a550ccc58e1f99e1859a04497f10f6d4

  • SHA1

    c138508bfe61b3600237dd75dc76d807444071c1

  • SHA256

    7ba41e31ce7952167d136428efa6ba1ee575998ee2b015f45a82c6170b2ba34d

  • SHA512

    fe04e4854cf0cd0cc22ce9a59d80701d3da9b1addd8e58271f4639cdefabf5393478c34f8a04597b115f50f52787a4f07cf42beb514292057443cb0f6d6a5c64

  • SSDEEP

    6144:R2FP8gxmIr80/EKeYr75lHzpaF2e6UK+42GTQMJSZO5f7M0rx7/N:w8gxV8KeYr75lTefkY660fII

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

      7ba41e31ce7952167d136428efa6ba1ee575998ee2b015f45a82c6170b2ba34d

    • Size

      211KB

    • MD5

      a550ccc58e1f99e1859a04497f10f6d4

    • SHA1

      c138508bfe61b3600237dd75dc76d807444071c1

    • SHA256

      7ba41e31ce7952167d136428efa6ba1ee575998ee2b015f45a82c6170b2ba34d

    • SHA512

      fe04e4854cf0cd0cc22ce9a59d80701d3da9b1addd8e58271f4639cdefabf5393478c34f8a04597b115f50f52787a4f07cf42beb514292057443cb0f6d6a5c64

    • SSDEEP

      6144:R2FP8gxmIr80/EKeYr75lHzpaF2e6UK+42GTQMJSZO5f7M0rx7/N:w8gxV8KeYr75lTefkY660fII

    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