Analysis

  • max time kernel
    132s
  • max time network
    137s
  • platform
    windows7_x64
  • resource
    win7-20230831-en
  • resource tags

    arch:x64arch:x86image:win7-20230831-enlocale:en-usos:windows7-x64system
  • submitted
    14-10-2023 01:39

General

  • Target

    e4919447b9ea5c4f02a0746ab64f8e7e.dll

  • Size

    1.1MB

  • MD5

    e4919447b9ea5c4f02a0746ab64f8e7e

  • SHA1

    bf40844bd9286804351cf1c51ad1f68a26b81d92

  • SHA256

    f583b43851502322a69c67f0f8f3e50f296f397e4bbb50bc646bccca6ee79215

  • SHA512

    97d4138f8f48e62aeb5e03a82adbc6c6b57ffcdf7db33687fef2ed119444070f9a8d531061a5ec21dea41ae7f3aee9fc4068f3382843422054b641fcff8dc12c

  • SSDEEP

    24576:gG95Qu5j6V4TYuVUKXs7U48XoKdtEiQnNst2Ua:gG9TfPUO

Score
10/10

Malware Config

Extracted

Family

bumblebee

Botnet

js1

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a webshell malware written in C++.

  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\e4919447b9ea5c4f02a0746ab64f8e7e.dll
    1⤵
    • Suspicious use of NtCreateThreadExHideFromDebugger
    PID:740

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/740-0-0x0000000001CD0000-0x0000000001D49000-memory.dmp

    Filesize

    484KB

  • memory/740-2-0x0000000077B70000-0x0000000077D19000-memory.dmp

    Filesize

    1.7MB

  • memory/740-4-0x0000000077B70000-0x0000000077D19000-memory.dmp

    Filesize

    1.7MB

  • memory/740-1-0x0000000001FD0000-0x00000000020DA000-memory.dmp

    Filesize

    1.0MB

  • memory/740-5-0x0000000001FD0000-0x00000000020DA000-memory.dmp

    Filesize

    1.0MB

  • memory/740-6-0x0000000077B70000-0x0000000077D19000-memory.dmp

    Filesize

    1.7MB

  • memory/740-7-0x0000000001FD0000-0x00000000020DA000-memory.dmp

    Filesize

    1.0MB

  • memory/740-8-0x0000000001CD0000-0x0000000001D49000-memory.dmp

    Filesize

    484KB

  • memory/740-9-0x0000000077B70000-0x0000000077D19000-memory.dmp

    Filesize

    1.7MB