Resubmissions

26-04-2023 15:07

230426-shf2xaca2v 10

20-04-2023 19:33

230420-x9zqjsbh82 10

General

  • Target

    doc_88BFNS_57.wsf

  • Size

    192KB

  • Sample

    230420-x9zqjsbh82

  • MD5

    d6d0f8cf0b9383802fd4868c2082017d

  • SHA1

    16b03efbf2aa547ca308ae50d8673012844c52b9

  • SHA256

    f6ff607f55b6c53b700e3c1a8a4230c01641111bfc09645ba54c75ca2b1587cd

  • SHA512

    0e331aeef702394d3b04939f0755bdbbc79ac24e23cbf54fad51645da045b598ee4077ba629af1a5f1e833b062f92acd033fd718c41dedb27b5041199f449efb

  • SSDEEP

    6144:rPYy39mm2+oVmcySJnfzKe1ZFmqRzgim/Ytix:TYy3Cdtn1Hw

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

mc1904

C2

146.70.155.82:443

149.3.170.179:443

103.175.16.150:443

rc4.plain

Targets

    • Target

      doc_88BFNS_57.wsf

    • Size

      192KB

    • MD5

      d6d0f8cf0b9383802fd4868c2082017d

    • SHA1

      16b03efbf2aa547ca308ae50d8673012844c52b9

    • SHA256

      f6ff607f55b6c53b700e3c1a8a4230c01641111bfc09645ba54c75ca2b1587cd

    • SHA512

      0e331aeef702394d3b04939f0755bdbbc79ac24e23cbf54fad51645da045b598ee4077ba629af1a5f1e833b062f92acd033fd718c41dedb27b5041199f449efb

    • SSDEEP

      6144:rPYy39mm2+oVmcySJnfzKe1ZFmqRzgim/Ytix:TYy3Cdtn1Hw

    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