Resubmissions

09-10-2023 22:51

231009-2svgqaba35 8

15-09-2023 13:25

230915-qn1bmaca6s 10

General

  • Target

    IN(11)-9-12-2023_258806.vbs

  • Size

    1KB

  • Sample

    230915-qn1bmaca6s

  • MD5

    7b62afd1f1ec24823da003793e6e58be

  • SHA1

    5220e8670f31beeb7233c88aa99fb5b623d067f0

  • SHA256

    e8fec6cb888d59401c00b0ba9dcdff2285a71c88ff82de1ede13766ecf2910b3

  • SHA512

    f3bc89c42a03c37ec8a5235b806226ddfa6444b04e6844fbce1d8281b75a6c65bb81dc14b39e7af16868a832814254883fb2dde983596c5da48deef9eff00d08

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

js1

rc4.plain

Targets

    • Target

      IN(11)-9-12-2023_258806.vbs

    • Size

      1KB

    • MD5

      7b62afd1f1ec24823da003793e6e58be

    • SHA1

      5220e8670f31beeb7233c88aa99fb5b623d067f0

    • SHA256

      e8fec6cb888d59401c00b0ba9dcdff2285a71c88ff82de1ede13766ecf2910b3

    • SHA512

      f3bc89c42a03c37ec8a5235b806226ddfa6444b04e6844fbce1d8281b75a6c65bb81dc14b39e7af16868a832814254883fb2dde983596c5da48deef9eff00d08

    Score
    10/10
    • BumbleBee

      BumbleBee is a webshell malware written in C++.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Loads dropped DLL

    • Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks