General

  • Target

    518fc2e647ec1a068d96699a7c81f09f.bin

  • Size

    85KB

  • Sample

    230422-bvlpgsdd5x

  • MD5

    6f379be122bc25a1bfde14da5268c4d5

  • SHA1

    f994b8e0b2485d9d6c3e4c52e1dcda84307a57ff

  • SHA256

    9850437315a9455072d7d02dec6665e2a20345db0faa35eeaca209a5541aa755

  • SHA512

    26043a012b58c7283327192dcfeec780119dbafdff736aa8f513ad47a6fa969cd6f21fb448b99527486ba9e1ebe57810f4f3f39ac654d3a1d75b5d73a4ae2b60

  • SSDEEP

    1536:V0WjPoNIZdCbk92iwE72Eek1V0YDH4Iv+Lopm75P1DBGENDOu:V0WjaTk92FEaEee6O4IvwFZGE1Ou

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

      5b7dfd88fcbbbb7e3d1b4b6606c4fdd10397dd5c00e18cfe83cd9a94ed136246.wsf

    • Size

      178KB

    • MD5

      518fc2e647ec1a068d96699a7c81f09f

    • SHA1

      2f1852128b1797ecb20557109c503197992d5ff7

    • SHA256

      5b7dfd88fcbbbb7e3d1b4b6606c4fdd10397dd5c00e18cfe83cd9a94ed136246

    • SHA512

      2bf8fe6ac6316b64ba2f57ca9e6bdc922913d07b5a2cd9efeae453feb2ac7bc9e621b706ca245673a9b2d73d437592b9f2cedf78e5370db8f3dc8e6afbf3ee76

    • SSDEEP

      3072:1eULHHO+zbe2qOX/w+A429OutoWjVM8kgCRreRlW+Q5HUJAWo5hiaPJhO5Q51lJO:Y8SOXY7txjVM8kgUeRlW+FAWo5AaPjCb

    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