Overview

overview

10

Static

static

3

ab0be423a7...be.dll

windows7-x64

10

ab0be423a7...be.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    20/07/2023, 09:40

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General

  • Target
    ab0be423a7c0940154615c731074f4e09104501a338573dd3dde297445b52bbe.dll
  • Size 687KB
  • Sample230720-lnjawsfg41
  • SHA256 ab0be423a7c0940154615c731074f4e09104501a338573dd3dde297445b52bbe
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
cobaltstrike0305419896backdoortrojan

Malware Config

Extracted

Family

  • cobaltstrike

Botnet

  • 305419896

C2

  • http://185.162.235.61:80/fwlink

Attributes
  • access_type

    512

  • host

    185.162.235.61,/fwlink

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    60000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCcsZBIeupBvTv1XFS17TKfvCpS1G4R35yenr0uhYON4par8SWqXcB2CyCwmtQnP22N2G9g7JZbM4d673Yjb5OW5WE77QV4Z4tOlQh+gj45HfOoZI+Z570/jIhnNiz8ltNriZj4XB1Nswis0ePPGY5ZhCvCBQ/udFDLlaAX2RUG0QIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 1.1.4322)

  • watermark

    305419896

Extracted

Family

  • cobaltstrike

Botnet

  • 0

Attributes
  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Runs ping.exe 1 TTPs 1 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Windows\system32\regsvr32.exe
    regsvr32 /s C:\Users\Admin\AppData\Local\Temp\ab0be423a7c0940154615c731074f4e09104501a338573dd3dde297445b52bbe.dll
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:5084
    • C:\Windows\system32\cmd.exe
      cmd.exe /c echo 1234567890 && ping -n 6 127.0.0.1
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:5020
      • C:\Windows\system32\PING.EXE
        ping -n 6 127.0.0.1
        3⤵
        • Runs ping.exe
        PID:3448

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/5084-133-0x0000000002E30000-0x0000000002E70000-memory.dmp
        Download

        memory/5084-134-0x0000000002E90000-0x0000000002EDC000-memory.dmp
        Download

        memory/5084-135-0x000000006BAC0000-0x000000006BB74000-memory.dmp
        Download

        memory/5084-136-0x0000000002E90000-0x0000000002EDC000-memory.dmp
        Download