Overview

overview

10

Static

static

10

54e09973da...a1.dll

windows7_x64

3

54e09973da...a1.dll

windows10_x64

10

Analysis

  • max time kernel
    125s
  • max time network
    130s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    20-11-2020 07:39

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General

  • Target

    54e09973da1818e1c74c58afb44309a1.dll

  • Size

    199KB

  • MD5

    54e09973da1818e1c74c58afb44309a1

  • SHA1

    f6179da0ca78312643dd68675f13fd496630656c

  • SHA256

    08934079f330381b5a9bd3f4f089f328b77c26080aff49a3894b6e4de0d485bc

  • SHA512

    fb6fa0a8efa499e0adc7728ea8d8f733d41b080764979b7c548bcdfa676ceff0bdd09f33c44477e3acd9469798a3319422481cc422c884fda4ad9c470f9b2cce

Score
10/10
cobaltstrikebackdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://85.143.220.196:8180/__utm.gif

Attributes
  • access_type

    0

  • beacon_type

    0

  • create_remote_thread

    0

  • day

    0

  • dns_idle

    0

  • dns_sleep

    0

  • host

    85.143.220.196,/__utm.gif

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • injection_process

  • jitter

    0

  • maxdns

    255

  • month

    0

  • pipe_name

    \\%s\pipe\msagent_%x

  • polling_time

    60000

  • port_number

    8180

  • proxy_password

  • proxy_server

  • proxy_username

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQChvz2oKTJ0/eJ7cFxHaHPhGqqNrEeTk0/ji502tl8m/Hm/oETz8CH0xSxpU5gyg+tG0FqOQY3WOvmPz61LGiGv4spGlz3Hxd8HXEnd3rk560YzaAPlbwB3bBjbPs1GCAYK5qkDOO7a1WhfdEMBDbtZeqY1JpMSSMovpUojps3qLwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown3

    0

  • unknown4

    256

  • unknown5

    0

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; MANM)

  • year

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Program crash 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 14 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\54e09973da1818e1c74c58afb44309a1.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4700
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\54e09973da1818e1c74c58afb44309a1.dll,#1
      2⤵
        PID:4760
        • C:\Windows\SysWOW64\WerFault.exe
          C:\Windows\SysWOW64\WerFault.exe -u -p 4760 -s 660
          3⤵
          • Program crash
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4160

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/4160-1-0x0000000004870000-0x0000000004871000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4160-6-0x00000000050E0000-0x00000000050E1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4160-7-0x00000000050E0000-0x00000000050E1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/4760-0-0x0000000000000000-mapping.dmp
      Download
    • memory/4760-3-0x0000000000000000-mapping.dmp
      Download
    • memory/4760-2-0x0000000000000000-mapping.dmp
      Download
    • memory/4760-4-0x0000000000000000-mapping.dmp
      Download
    • memory/4760-5-0x0000000000000000-mapping.dmp
      Download