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Resubmissions

14/02/2025, 07:59

250214-jvkq7ayley 10

10/02/2025, 18:09

250210-wrfpaa1jdl 10

Analysis

  • max time kernel
    144s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20250207-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20250207-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/02/2025, 18:09

General

  • Target

    CZPgtmlLgThm.dll

  • Size

    3.2MB

  • MD5

    e102f51b67a248436f9729e410100a13

  • SHA1

    d34e81135fd45258982d56ce66fcb0661daff9de

  • SHA256

    b2bd3a7284b4dddb7412a5a929836200d9ec742af0d1af79de3ad164aceadf1a

  • SHA512

    4ce752d04bbdca4b9f6af961ee473d37b84d9a845dd01afb959a6bd03842858939b0dbb55db859a500362d61a0ac177846911cbcf5de534fadbecedaabc5910a

  • SSDEEP

    49152:6vMLhOv7qLYgOQkv2ldCcCgPqIo9xlf8ZirVq42tmAMK7+slR0+RNW8d:6v+0Yj/7VniJDfQiQVtD68tRNhd

Malware Config

Extracted

Family

bumblebee

Botnet

9090

Attributes
  • dga_seed

    -5372979216912523469

  • domain_length

    10

  • num_dga_domains

    300

  • port

    443

rc4.plain

Signatures

  • BumbleBee

    BumbleBee is a loader malware written in C++.

  • Bumblebee family
  • Downloads MZ/PE file 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • System Network Configuration Discovery: Internet Connection Discovery 1 TTPs 1 IoCs

    Adversaries may check for Internet connectivity on compromised systems.

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\CZPgtmlLgThm.dll
    1⤵
      PID:1712
    • C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe
      "C:\Program Files (x86)\Microsoft\EdgeUpdate\MicrosoftEdgeUpdate.exe" /ping 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-PGFwcCBhcHBpZD0iezhBNjlEMzQ1LUQ1NjQtNDYzYy1BRkYxLUE2OUQ5RTUzMEY5Nn0iIHZlcnNpb249IjEyMy4wLjYzMTIuMTIzIiBuZXh0dmVyc2lvbj0iIiBsYW5nPSJlbiIgYnJhbmQ9IkdHTFMiIGNsaWVudD0iIiBpbnN0YWxsYWdlPSIzIiBpbnN0YWxsZGF0ZXRpbWU9IjE3Mzg5NDU1NzgiIG9vYmVfaW5zdGFsbF90aW1lPSIxMzM4MzQxODAxNjUyMzAwMDAiPjxldmVudCBldmVudHR5cGU9IjMxIiBldmVudHJlc3VsdD0iMSIgZXJyb3Jjb2RlPSIwIiBleHRyYWNvZGUxPSIyMTc5ODYyIiBzeXN0ZW1fdXB0aW1lX3RpY2tzPSI0NzkwMzY1MjE1Ii8-PC9hcHA-PC9yZXF1ZXN0Pg
      1⤵
      • System Location Discovery: System Language Discovery
      • System Network Configuration Discovery: Internet Connection Discovery
      PID:2508

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/1712-4-0x00007FFE9848D000-0x00007FFE9848E000-memory.dmp

      Filesize

      4KB

    • memory/1712-6-0x00007FFE983F0000-0x00007FFE985E5000-memory.dmp

      Filesize

      2.0MB

    • memory/1712-7-0x00007FFE983F0000-0x00007FFE985E5000-memory.dmp

      Filesize

      2.0MB

    • memory/1712-5-0x0000000002690000-0x00000000028A9000-memory.dmp

      Filesize

      2.1MB

    • memory/1712-3-0x0000000002460000-0x000000000268B000-memory.dmp

      Filesize

      2.2MB

    • memory/1712-8-0x00007FFE983F0000-0x00007FFE985E5000-memory.dmp

      Filesize

      2.0MB

    • memory/1712-9-0x00007FFE983F0000-0x00007FFE985E5000-memory.dmp

      Filesize

      2.0MB

    • memory/1712-10-0x0000000002690000-0x00000000028A9000-memory.dmp

      Filesize

      2.1MB

    • memory/1712-2-0x0000000002690000-0x00000000028A9000-memory.dmp

      Filesize

      2.1MB

    • memory/1712-1-0x0000000002690000-0x00000000028A9000-memory.dmp

      Filesize

      2.1MB

    • memory/1712-0-0x0000000002690000-0x00000000028A9000-memory.dmp

      Filesize

      2.1MB

    • memory/1712-12-0x0000000002460000-0x000000000268B000-memory.dmp

      Filesize

      2.2MB

    • memory/1712-13-0x00007FFE983F0000-0x00007FFE985E5000-memory.dmp

      Filesize

      2.0MB

    • memory/1712-14-0x00007FFE9848D000-0x00007FFE9848E000-memory.dmp

      Filesize

      4KB