Resubmissions

27-07-2023 09:18

230727-k9sk1sdf84 8

21-05-2023 20:03

230521-ysnsdsfa6y 10

General

  • Target

    Inv(05-19)Copy#19-48-01.js

  • Size

    772KB

  • Sample

    230521-ysnsdsfa6y

  • MD5

    c56f106025e1853958f0745516c0b88f

  • SHA1

    f3506be345eafb653e2c2c18410b8c4f5d1a2c26

  • SHA256

    bcd9b7d4ca83e96704e00e378728db06291e8e2b50d68db22efd1f8974d1ca91

  • SHA512

    facf6c8c5690209c1c905f96da1f6ef1ad8b86ab752e8714e73ae48781ff8bfec17813816862fe5d75a96d7c316c083d46e27accf4685e060c6555e882e24278

  • SSDEEP

    24576:93vle/E45Mk2h1K3G9EhRe4jEER9Fwf8TxzM34LM9gkIy9ByxZO9TLd8wDNGOi5t:plZ45Mk2h1aG9EhRe4jEy9Fwf8TxzM3s

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

mc1905

C2

92.119.178.40:443

32.54.188.44:443

194.135.33.160:443

192.198.82.59:443

103.175.16.151:443

rc4.plain

Targets

    • Target

      Inv(05-19)Copy#19-48-01.js

    • Size

      772KB

    • MD5

      c56f106025e1853958f0745516c0b88f

    • SHA1

      f3506be345eafb653e2c2c18410b8c4f5d1a2c26

    • SHA256

      bcd9b7d4ca83e96704e00e378728db06291e8e2b50d68db22efd1f8974d1ca91

    • SHA512

      facf6c8c5690209c1c905f96da1f6ef1ad8b86ab752e8714e73ae48781ff8bfec17813816862fe5d75a96d7c316c083d46e27accf4685e060c6555e882e24278

    • SSDEEP

      24576:93vle/E45Mk2h1K3G9EhRe4jEER9Fwf8TxzM34LM9gkIy9ByxZO9TLd8wDNGOi5t:plZ45Mk2h1aG9EhRe4jEy9Fwf8TxzM3s

    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 v6

Tasks