Resubmissions

11-11-2022 01:35

221111-bzzrxagac6 10

10-11-2022 13:29

221110-qrhkzscbcm 10

General

  • Target

    newfile42.xlsm

  • Size

    56KB

  • Sample

    221110-qrhkzscbcm

  • MD5

    8627921983baab8f93b6150dd57f16a5

  • SHA1

    4d17d0b708cb3545da5473b12be81d5942e8c757

  • SHA256

    7cf7b8e58c5955697c7de6b8d90936ba16fde52e1004c5854ad5b2a731b8a7b0

  • SHA512

    7e6a37449c5bd9a3c5c8859b6c12793c7c0a0b8234486891debbe64cca97cf1c3534912cf1bf1999e8319265d824f12eb492c469aee2917734b954713e652213

  • SSDEEP

    768:m9xgHyxWpt1J3S5f3v4Jfa3ODVs3KnooaRHIuZVvu4hBv5FEwsE:eiyxWLC5/wJi3eVsdtLVvFhBBy/E

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

0411r

C2

172.86.121.123:443

176.223.165.125:443

45.66.248.216:443

rc4.plain

Targets

    • Target

      newfile42.xlsm

    • Size

      56KB

    • MD5

      8627921983baab8f93b6150dd57f16a5

    • SHA1

      4d17d0b708cb3545da5473b12be81d5942e8c757

    • SHA256

      7cf7b8e58c5955697c7de6b8d90936ba16fde52e1004c5854ad5b2a731b8a7b0

    • SHA512

      7e6a37449c5bd9a3c5c8859b6c12793c7c0a0b8234486891debbe64cca97cf1c3534912cf1bf1999e8319265d824f12eb492c469aee2917734b954713e652213

    • SSDEEP

      768:m9xgHyxWpt1J3S5f3v4Jfa3ODVs3KnooaRHIuZVvu4hBv5FEwsE:eiyxWLC5/wJi3eVsdtLVvFhBBy/E

    Score
    10/10
    • BumbleBee

      BumbleBee is a webshell malware written in C++.

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Loads dropped DLL

    • Suspicious use of NtCreateThreadExHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks