General

  • Target

    zippedISO_20220623.zip

  • Size

    944KB

  • Sample

    220624-znwswaegan

  • MD5

    946bcdcf3ec36fafc3bf04a8cb07f6c5

  • SHA1

    7356e91446a7b0892622ebd466e917e5b4a9bb4d

  • SHA256

    ae7ed87ad80d0ebae1bde19aabc11e1480417a0f93519be467eb921f7effee00

  • SHA512

    89ab6c3201a8e9b6f4e70802f2fade6f9535cc13248fd8b7f43487611a5398dbd10b994755f9ed27714987a0be2685c85bcacdc9befc26c38375fb88840c9925

Malware Config

Extracted

Family

bumblebee

Botnet

236r

C2

54.38.136.111:443

103.200.32.188:492

74.57.128.223:112

13.2.200.200:338

228.194.82.251:473

247.224.208.140:372

0.151.228.146:282

192.119.77.241:443

186.150.217.235:221

50.41.225.93:478

50.167.186.112:239

173.77.219.120:201

187.210.45.242:299

239.11.133.48:421

207.6.99.3:471

98.28.11.39:201

193.239.152.108:242

133.209.39.126:217

146.19.173.202:443

97.194.155.116:446

rc4.plain

Targets

    • Target

      documents.lnk

    • Size

      2KB

    • MD5

      1e3f5cd9d257761d411f55b1c28c6e50

    • SHA1

      104ac15abdaa5313dc243c7086781339223b55fc

    • SHA256

      79c46064eb48f99845aeac03b836df35fc034fe8fb603a5394cd58932811d418

    • SHA512

      1a5ba3732118c9aa758d80cba57a39feaaf9af5ecbc232463347e41ff286d94cd74fbd4f05747c08023d4c13f38f433728ebd3c08d2a60032f8c65676d45f217

    • BumbleBee

      BumbleBee is a webshell malware written in C++.

    • Enumerates VirtualBox registry keys

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Looks for VirtualBox Guest Additions in registry

    • Checks BIOS information in registry

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

    • Checks computer location settings

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

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Target

      m3n4rat.dll

    • Size

      1.8MB

    • MD5

      b8d3dc61da66d69907564677aea251cc

    • SHA1

      eed926865a663bcd865a6554ea2c99e2f52224db

    • SHA256

      fa4b97cf11ee55b707afad61122104649117f2cc71f700e908d7f18f70ab1f78

    • SHA512

      dce4b4166fab61c1c1b970aad678ecb7650b23fa355bbb7847d0fbaf7714466329f73111ba7bc28cad4a0f73f17d4438dee37e56f19f4f17b0787b7a16c51037

    Score
    3/10

MITRE ATT&CK Enterprise v6

Tasks