General

  • Target

    AcrobatInstaller.lnk

  • Size

    1KB

  • Sample

    221209-j4jv9aff2v

  • MD5

    efc13d85b551ba2d426d3754d642ca11

  • SHA1

    43202b41ce4c2cd23cbba769227dce2f50750f27

  • SHA256

    0cd9826b702404e2f9b6854c672409422f578afd63d43795e8e370b212d403d6

  • SHA512

    3c09654c48cc9f32c240b153137750eb798cbdddc2fa7cca72ff4cac2a83563c90b9f66a13230b8af9903aa16b60b0e3a7b2bbb96ff4226cbae5962f410aff1e

Score
10/10

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

https://cruds-club.com/AcrobatInstaller.hta

Extracted

Family

bumblebee

Botnet

1011t1

C2

64.44.135.140:443

103.144.139.150:443

146.70.149.43:443

rc4.plain

Targets

    • Target

      AcrobatInstaller.lnk

    • Size

      1KB

    • MD5

      efc13d85b551ba2d426d3754d642ca11

    • SHA1

      43202b41ce4c2cd23cbba769227dce2f50750f27

    • SHA256

      0cd9826b702404e2f9b6854c672409422f578afd63d43795e8e370b212d403d6

    • SHA512

      3c09654c48cc9f32c240b153137750eb798cbdddc2fa7cca72ff4cac2a83563c90b9f66a13230b8af9903aa16b60b0e3a7b2bbb96ff4226cbae5962f410aff1e

    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