Analysis

  • max time kernel
    145s
  • max time network
    147s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    12-12-2020 04:49

General

  • Target

    1cf5710e500a423b84b51fa3afdd923fe0a8255c5817d3238175623e2ebbfad9.dll

  • Size

    688KB

  • MD5

    a91bf61cc18705be2288a0f6f125068f

  • SHA1

    d535de08875cef1c49bfa2532281fa1254a8cb93

  • SHA256

    1cf5710e500a423b84b51fa3afdd923fe0a8255c5817d3238175623e2ebbfad9

  • SHA512

    a7c9a05f0d1a2b868ec608ac4dc116fd79fb36728bc4f371e9eab3cadb869b6ac53dd97cbf64a7d18ce237430cdd08f64ebab7b68ac39f3bf486d772be3a96dc

Malware Config

Extracted

Family

cobaltstrike

Attributes
  • access_type

    0

  • beacon_type

    0

  • create_remote_thread

    0

  • day

    0

  • dns_idle

    0

  • dns_sleep

    0

  • host

  • http_header1

  • http_header2

  • http_method1

  • http_method2

  • injection_process

  • jitter

    0

  • maxdns

    0

  • month

    0

  • pipe_name

  • polling_time

    0

  • port_number

    0

  • proxy_password

  • proxy_server

  • proxy_username

  • sc_process32

  • sc_process64

  • state_machine

  • unknown1

    0

  • unknown2

  • unknown3

    0

  • unknown4

    0

  • unknown5

    0

  • uri

  • user_agent

  • year

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Blocklisted process makes network request 6 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\1cf5710e500a423b84b51fa3afdd923fe0a8255c5817d3238175623e2ebbfad9.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:4772

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4772-2-0x00007FFBE4620000-0x00007FFBE500C000-memory.dmp
    Filesize

    9.9MB

  • memory/4772-3-0x00000137EB7D0000-0x00000137EB7D1000-memory.dmp
    Filesize

    4KB

  • memory/4772-5-0x00000137E9650000-0x00000137E9690000-memory.dmp
    Filesize

    256KB

  • memory/4772-6-0x00000137EAFB0000-0x00000137EB021000-memory.dmp
    Filesize

    452KB