General

  • Target

    e897273b1a14b313a73c031bc146b7c9f243f82752d8918766d5a64a242f1a94

  • Size

    760KB

  • Sample

    241223-esyg2swjfw

  • MD5

    fdb6bdad8ff65a77cdca517f8f9fc436

  • SHA1

    a98b9d4f4659355dcfb2ce12fb450a1c7b1f1718

  • SHA256

    e897273b1a14b313a73c031bc146b7c9f243f82752d8918766d5a64a242f1a94

  • SHA512

    63f87ba8d1d781d961a8a6f110f90309cdf0701c57b369043771db27a1d81d6d82b1a128eb3147f996fff39e976c3311e904eb8595f62d3eb68b173e6329c363

  • SSDEEP

    12288:YBtVCW3GPh2kkkkK4kXkkkkkkkkl888888888888888888nusMH0QiRLsq:YPVC6GPh2kkkkK4kXkkkkkkkkhLx

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

      e897273b1a14b313a73c031bc146b7c9f243f82752d8918766d5a64a242f1a94

    • Size

      760KB

    • MD5

      fdb6bdad8ff65a77cdca517f8f9fc436

    • SHA1

      a98b9d4f4659355dcfb2ce12fb450a1c7b1f1718

    • SHA256

      e897273b1a14b313a73c031bc146b7c9f243f82752d8918766d5a64a242f1a94

    • SHA512

      63f87ba8d1d781d961a8a6f110f90309cdf0701c57b369043771db27a1d81d6d82b1a128eb3147f996fff39e976c3311e904eb8595f62d3eb68b173e6329c363

    • SSDEEP

      12288:YBtVCW3GPh2kkkkK4kXkkkkkkkkl888888888888888888nusMH0QiRLsq:YPVC6GPh2kkkkK4kXkkkkkkkkhLx

    • 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