General

  • Target

    m3n4rat.zip

  • Size

    908KB

  • Sample

    220626-mf36rscef6

  • MD5

    4004e0580d3485c3422a27bb15c70964

  • SHA1

    2732a088b46d3476572e07a57376825ac0d97cc6

  • SHA256

    027778e02c89449988efa9206ca9e180716d7f20ae9cc1307a0db036e704537a

  • SHA512

    a51da1c6ecf43d2cbe27675eda39bd89c1e114b87b78906201a65db9a61d68b948ccb42b36c30b48110578bcf196182d6b02a44a7775fafc60ac8443dbd36f17

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

      m3n4rat/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/m3n4rat.dll

    • Size

      1.8MB

    • MD5

      724592144348d0ba98a9223219ceefee

    • SHA1

      db9fd98fbb9ce7ec704098e2d477a92a7b7ccf5f

    • SHA256

      4a0e5ef64581b583efc5e5de2d6dbfa17fe0c98e6e393e3901a9ce79e2b6890e

    • SHA512

      ccf58c7ab8f7cafa7cf01acc69c367b2216d7e80aa1914a8527187317089f72e27db4c946d5b9aa9d803865e964842166f2aa863918f4e189b20887dfb3d97b4

    Score
    3/10

MITRE ATT&CK Enterprise v6

Tasks