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General

  • Target

    Malware-1.zip

  • Size

    2.9MB

  • Sample

    250210-slchwsvrdj

  • MD5

    a386e71b8cd97c0ddd6872681e09fc8c

  • SHA1

    19d8d786c52c05ac4d8a9061789df77f6ee3902a

  • SHA256

    fd88f0d2ab93ab3cb3506998e4f68b82663d237313bc208b17729cc343cbcdef

  • SHA512

    4ba977efb712ccc0167bee77dc9e309f2d43eac04beb429cae82c8df6bbda9f6451c16b0929756c169ddb3b9f9cd9f86eacbea88fe399b8f5a185a87945bcf67

  • SSDEEP

    49152:LgGLewJiuENNv4y4hvc4RGzE93LoVCXOdKFxgrRUKdSre6i9zb/RTHht/oFU97S1:cG/cuED4nVHQgoCFONdSi6KzjCOETB

Malware Config

Extracted

Family

bumblebee

Botnet

9090

Attributes
  • dga_seed

    -5372979216912523469

  • domain_length

    10

  • num_dga_domains

    300

  • port

    443

rc4.plain

Targets

    • Target

      Run-Malware-1.bat

    • Size

      93B

    • MD5

      78505553b5950323c47742bb01c50eda

    • SHA1

      6e677c8644f361f70dbeff52b1504cc49062cb05

    • SHA256

      1867cb519da175fa8dc5b26c86e1ea384342d95c1d172dcceb92073ec70c8cf7

    • SHA512

      80f3b9a445d5a93c0057f43645efb11667c15c166c9493c0bf48691437412ebcd43c8bb25cbf27f01c846a3978f5f30b4c6ee3c6056ba4bf073aa5d9a43f8510

    • BumbleBee

      BumbleBee is a loader malware written in C++.

    • Bumblebee family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Downloads MZ/PE file

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

    • Executes dropped EXE

    • Blocklisted process makes network request

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v15

Tasks