General

  • Target

    documents.zip

  • Size

    948KB

  • Sample

    220624-rka31afef7

  • MD5

    6ebc387b4b16af1db42b5ce47dccb88d

  • SHA1

    a968798c6f47c2b412fe85db6d66d9ee3acdc125

  • SHA256

    a88f219f05f15f07bd6f09dbdb300678c7014a4e2c13f1969effd4581be6575d

  • SHA512

    0db91bf62c84ec4c478224086ffa27ece5857b177b68de8c8e3e1bd84f335ca49cb438f6ef0eb2d4d68d568f30d51ecab3dbbf3f7016396d903e7ef2aa131091

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

      84256f758cd030426fd4103fc55eae94

    • SHA1

      2a5d525d280cc7c25009736d91dc552b2d8fb9d4

    • SHA256

      353d2a5e23e7ce6d31860fc0dfdcb8a1b200299fe899a021a3dda11b9d6f312a

    • SHA512

      e5d631fa44a818c27a4c66ba311f92d661c127fa29bebef036b172493999e4b2a592126f4d5cdd050076001aee3304a196dc079f10f69f27735501db9d271f02

    Score
    3/10

MITRE ATT&CK Enterprise v6

Tasks