Overview

overview

10

Static

static

3

.qq/Deskto...64.dll

windows10-1703-x64

10

.qq/StartDes.exe

windows10-1703-x64

10

某学校�...cx.lnk

windows10-1703-x64

10

Analysis

  • max time kernel
    162s
  • max time network
    176s
  • platform
    windows10-1703_x64
  • resource
    win10-20240404-en
  • resource tags

    arch:x64arch:x86image:win10-20240404-enlocale:en-usos:windows10-1703-x64system
  • submitted
    23-09-2024 02:59

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General

  • Target

    .qq/DesktopProjection64.dll

  • Size

    483KB

  • MD5

    cc2829cbce0eac7202524687f51643fb

  • SHA1

    79925837968278b44eb3da99bd5f6bf7490c8ca6

  • SHA256

    b34884300283556e77ad03641691f34a94609b4be07b5e9b54b6792f25772222

  • SHA512

    217c843a0ee8b660c5647fa389beb28202e0bcbfc3eb840ee4cb694b630d4a109059a563c445fe8ccc19146d96bb8d134ae552bb49cccc86bb2fe6835d32ef65

  • SSDEEP

    6144:jYktUr20/smYnaThZjbT+U+DmTxsFeON88saHwCgPizPjw5E/RZJJvOyr6L1GXl7:jB0XfTOU2iunaMZgPK8G/3bOyrg1Wprz

Score
10/10
cobaltstrike391144938backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

391144938

C2

http://1.94.24.185:443/cm

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    1.94.24.185,/cm

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCMsDqm9W6IsM1H0kwwouCSdOtfKtrdgLGrIAur9uDZu9k5rpwy+tY+2PoFsVItxEES0aliTdBvGxtn9JUqMka9wqIbprDB5RE3rHM+V2dUqaZTKhASck1NdefeIOPddsfPQJEi01z0Fys6ZP7Ls7w8W5k75mc9QTvHFZMcgnj0iwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; WOW64; rv:46.0) Gecko/20120121 Firefox/46.0

  • watermark

    391144938

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Blocklisted process makes network request 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\.qq\DesktopProjection64.dll,#1
    1⤵
    • Blocklisted process makes network request
    PID:1416

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/1416-2-0x000001E0ADC40000-0x000001E0ADC92000-memory.dmp

    Filesize

    328KB

    Download

  • memory/1416-1-0x000001E0AC180000-0x000001E0AC280000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/1416-3-0x000001E0AC180000-0x000001E0AC280000-memory.dmp

    Filesize

    1024KB

    Download

  • memory/1416-4-0x000001E0AE150000-0x000001E0AE152000-memory.dmp

    Filesize

    8KB

    Download