Analysis

  • max time kernel
    131s
  • max time network
    144s
  • platform
    windows7_x64
  • resource
    win7-20220812-en
  • resource tags

    arch:x64arch:x86image:win7-20220812-enlocale:en-usos:windows7-x64system
  • submitted
    17-11-2022 20:17

General

  • Target

    DyNNDCUAhTtInE.bat

  • Size

    965B

  • MD5

    b6726f389f6192bb504b25d644177e3e

  • SHA1

    a33967710afae845d5eada41676719960cc45c18

  • SHA256

    7738c3502abeefb6d032cc88768c4d6370bc1fd250b2c9575646de56c463d721

  • SHA512

    08da51dd0e0b834e11d23a6fc040af31a90b575a2b8d4603820ab01017af3018a37c25b1072a1eb89e5c0463c6cb0846f597316631a2755b2202961c08905d95

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

1711

C2

193.200.16.175:443

54.37.130.195:443

64.44.97.58:443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Blocklisted process makes network request 5 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\DyNNDCUAhTtInE.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1208
    • C:\Windows\system32\rundll32.exe
      rundll32 aBZbMXVgKCtmcQ.dll,CheckSettings
      2⤵
      • Blocklisted process makes network request
      • Suspicious use of NtCreateThreadExHideFromDebugger
      PID:884

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/884-55-0x0000000001F20000-0x0000000002069000-memory.dmp

    Filesize

    1.3MB

  • memory/884-56-0x00000000002A0000-0x0000000000318000-memory.dmp

    Filesize

    480KB

  • memory/884-57-0x00000000002A0000-0x0000000000318000-memory.dmp

    Filesize

    480KB