General

  • Target

    10247125941.zip

  • Size

    270.5MB

  • Sample

    230428-mgh7zsdc84

  • MD5

    52874daf4146d1ddb00dac1eef57da67

  • SHA1

    8c138d6607f3b1060b731b60f0671e7a1f02bde8

  • SHA256

    e04c2e885c67bad3918e89e313f298a53ee6c772db0ac4b6a723d8da4eabaa72

  • SHA512

    5f2c1e42334f3a2e98f35075906e582eae889e35e638aa8870219c65daf630abc8d326b53072203a9e25f9fed71c3f27b7b77b72e474a28ba98058037e3d6f57

  • SSDEEP

    6291456:4gsr5+7jaO2QqRX30c0FeehRE2dGDkbMtBVO009LfTGJZHDKE:+d+HjsH0c+5E2dGuKB0r+JZZ

Malware Config

Extracted

Family

bumblebee

rc4.plain

Extracted

Family

bumblebee

Botnet

citr10803

C2

104.168.171.97:443

149.255.35.138:443

51.83.250.168:443

rc4.plain

Targets

    • Target

      957639998125a31c998b0104dba7f463d0659716a0a5b62fcc82eb28a0c0477b

    • Size

      270.5MB

    • MD5

      522c0b0d445c62cdeb0a80bcce645d57

    • SHA1

      5dad52c67d114f7a3a5a1e7ae5b15b581054d468

    • SHA256

      957639998125a31c998b0104dba7f463d0659716a0a5b62fcc82eb28a0c0477b

    • SHA512

      97da31389ca0986c5f63244573ad0edd6c83feb7e9c44557acfb51832db308c6165cdd390d1555ee8dec941cc0cb896fa1ccc59cbf7b9de9610003f0bd2e8a48

    • SSDEEP

      6291456:FTUNwNgD8hhlK4sCC90uWHgnNfTSeHRAod2da0Dmq75UpY21DYJ5HI:1UN5DqKnCULtnlnAM2kE5Gco

    • BumbleBee

      BumbleBee is a webshell malware written in C++.

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Checks system information in the registry

      System information is often read in order to detect sandboxing environments.

    • Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks