General

  • Target

    c2a5fb1ce2528391e3639f4360ab68c46b54ef387673ef921d09b7f1087b0392N.exe

  • Size

    529KB

  • Sample

    241208-bnj73szmak

  • MD5

    620f07c6c3d82943a1e6d61092526570

  • SHA1

    bbf037edcd19330f2c3f7d8bdaa97c32cedeed8e

  • SHA256

    c2a5fb1ce2528391e3639f4360ab68c46b54ef387673ef921d09b7f1087b0392

  • SHA512

    7c5c75be648a1153d9fa3db3f5ebca2377dcc71fec80dd1ef9d9f47c2db9c6175a1302e3e8dc0a6fd8e0af7a8109b5004254dfcc80adedd0f3525d45dfd6a765

  • SSDEEP

    12288:IDypp4brpV6yYPoBVgsPpV6yYPlWEVA9pV6yYPoBVgsPpV6yYPo:IDWp4brWSPW7A9WSPWo

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

      c2a5fb1ce2528391e3639f4360ab68c46b54ef387673ef921d09b7f1087b0392N.exe

    • Size

      529KB

    • MD5

      620f07c6c3d82943a1e6d61092526570

    • SHA1

      bbf037edcd19330f2c3f7d8bdaa97c32cedeed8e

    • SHA256

      c2a5fb1ce2528391e3639f4360ab68c46b54ef387673ef921d09b7f1087b0392

    • SHA512

      7c5c75be648a1153d9fa3db3f5ebca2377dcc71fec80dd1ef9d9f47c2db9c6175a1302e3e8dc0a6fd8e0af7a8109b5004254dfcc80adedd0f3525d45dfd6a765

    • SSDEEP

      12288:IDypp4brpV6yYPoBVgsPpV6yYPlWEVA9pV6yYPoBVgsPpV6yYPo:IDWp4brWSPW7A9WSPWo

    • 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