Resubmissions

10-10-2022 17:13

221010-vrjkhacggj 10

03-06-2022 21:56

220603-1tra1seah3 1

03-06-2022 21:55

220603-1swt4sabgp 1

03-06-2022 21:38

220603-1hbq7adhf4 10

03-06-2022 21:28

220603-1brttsdha7 10

Analysis

  • max time kernel
    426s
  • max time network
    429s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    10-10-2022 17:13

General

  • Target

    lipes.dll

  • Size

    1.5MB

  • MD5

    9ef37bfa9f7e30500ad9edf136ee59d1

  • SHA1

    7b31d4ec43c65666f2e08bb73ec7877cf74d34a0

  • SHA256

    a1040e1d6b43eda731179d139f76949afb962b8cb28c55f4097cf5a5c6c445c1

  • SHA512

    1a52c2bb2775476a14220f79483582b5b09a310fcc5b017df8482ad3e5a0fb6438e28ae23da4cc76e6f05972ccec0d077065dcbd8d8d219d5897250ce38393bd

  • SSDEEP

    49152:kowwxiVJF/esysoUCNzUD0YLROMgd8JC:kopxiVJr

Malware Config

Extracted

Family

bumblebee

Botnet

106r

C2

144.19.20.11:443

150.27.81.2:443

46.21.153.145:443

109.45.29.202:443

6.30.139.246:443

236.110.58.103:443

36.110.58.103:443

149.255.35.134:443

9.63.15.101:443

45.147.229.50:443

184.23.74.168:443

139.24.56.111:443

243.45.135.100:443

21.246.85.34:443

79.44.167.23:443

30.17.4.146:443

56.134.87.45:443

16.46.4.333:443

224.145.6.33:443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Enumerates VirtualBox registry keys 2 TTPs 5 IoCs
  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 3 IoCs
  • Looks for VirtualBox Guest Additions in registry 2 TTPs 1 IoCs
  • Checks BIOS information in registry 2 TTPs 3 IoCs

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

  • Identifies Wine through registry keys 2 TTPs 1 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 41 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\lipes.dll,#1
    1⤵
    • 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
    • Identifies Wine through registry keys
    • Suspicious behavior: EnumeratesProcesses
    PID:1980

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1980-54-0x00000000023F0000-0x0000000002507000-memory.dmp

    Filesize

    1.1MB