General

  • Target

    b5379ef2c76db4f5eecd05d9f5a725b77de896974cfba7a08df6e3b0280fd2fdN

  • Size

    144KB

  • Sample

    241109-nw4ynstfld

  • MD5

    719608c47fdaa3b3a740bb1024841980

  • SHA1

    f342d72c65ac1e9b84f3bb61911573bbf655df3d

  • SHA256

    b5379ef2c76db4f5eecd05d9f5a725b77de896974cfba7a08df6e3b0280fd2fd

  • SHA512

    8f3494dc053c40231b895323c3a938cc85cb5d0b1f106b432305d3d6df608684f93953a2d09a090c61ab0d16ac97aa4feb947f56f15fba96e24fac6b0888d6ac

  • SSDEEP

    3072:4FOigdfzXTdQ4Yvgb3a3+X13XRzrgHq/Wp+YmKfxgQL:4FOigMZo7aOl3BzrUmKy0

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

      b5379ef2c76db4f5eecd05d9f5a725b77de896974cfba7a08df6e3b0280fd2fdN

    • Size

      144KB

    • MD5

      719608c47fdaa3b3a740bb1024841980

    • SHA1

      f342d72c65ac1e9b84f3bb61911573bbf655df3d

    • SHA256

      b5379ef2c76db4f5eecd05d9f5a725b77de896974cfba7a08df6e3b0280fd2fd

    • SHA512

      8f3494dc053c40231b895323c3a938cc85cb5d0b1f106b432305d3d6df608684f93953a2d09a090c61ab0d16ac97aa4feb947f56f15fba96e24fac6b0888d6ac

    • SSDEEP

      3072:4FOigdfzXTdQ4Yvgb3a3+X13XRzrgHq/Wp+YmKfxgQL:4FOigMZo7aOl3BzrUmKy0

    • Adds autorun key to be loaded by Explorer.exe on startup

    • Berbew

      Berbew is a backdoor written in C++.

    • Berbew family

    • Executes dropped EXE

    • Loads dropped DLL

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks