Overview

overview

10

Static

static

收到这....exe

windows7-x64

10

收到这....exe

windows10-2004-x64

10

Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    28-10-2022 09:03

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General

  • Target

    收到这张2000苹果卡慢卡的找我领赏.exe

  • Size

    4.0MB

  • MD5

    f8f36048e8649de529a91866fc331b0f

  • SHA1

    3da23481f21a3a956b675185343445069370918d

  • SHA256

    fb8c5724b33c3c5d8685158994e84a3b6a5dece566795cbd7161124e2800425d

  • SHA512

    895d86d11e60a3e3ca983d90982a767ff336c0765ab5f58bcba5bd5f9365777f0443ed0329a3937cc9015bd41a43ba0cf6a2de6bae74105d2c86d5d92086dd35

  • SSDEEP

    49152:i6pxLnOTkiJh7b7ULzddXKpZ1RJGswEyi4LreDUUERtRIwn0VF1iD+BM:ppxjOJ70zdd6pZe6CDn

Score
10/10
cobaltstrike305419896backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

305419896

C2

http://42.192.134.128:80/admin/login

Attributes
  • access_type

    512

  • host

    42.192.134.128,/admin/login

  • http_header1

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAnUmVmZXJlcjogaHR0cHM6Ly93d3cuYmp0LmJlaWppbmcuZ292LmNuAAAABwAAAAAAAAADAAAAAgAAAApTRVNTSU9OSUQ9AAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_header2

    AAAACgAAAAtBY2NlcHQ6ICovKgAAAAoAAAAnUmVmZXJlcjogaHR0cHM6Ly93d3cuYmp0LmJlaWppbmcuZ292LmNuAAAABwAAAAAAAAADAAAAAgAAAAlKU0VTU0lPTj0AAAAGAAAABkNvb2tpZQAAAAcAAAABAAAAAwAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • http_method1

    GET

  • http_method2

    POST

  • maxdns

    255

  • polling_time

    5000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCIf+L6CRq3zedgU1uZz4WOlB5l3w5EVVWHZ6p1yS6ZMJbWzyRDP004C9SyOdlHOEanHAbFHM4En1P/hLVjfGgf0CcN3Us546Z6dXynqT3lqxDm+X0Svfu1fb1Dj2UqQofIOV61p5nbh9HTzbsyOq0f6BeQWZkdQjYV+pbtOecc3wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.82554112e+09

  • unknown2

    AAAABAAAAAEAAANBAAAAAgAAAqMAAAAIAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /admin/user

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.45 Safari/537.36

  • watermark

    305419896

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

  • GoLang User-Agent 1 IoCs

    Uses default user-agent string defined by GoLang HTTP packages.

  • Suspicious behavior: RenamesItself 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\收到这张2000苹果卡慢卡的找我领赏.exe
    "C:\Users\Admin\AppData\Local\Temp\收到这张2000苹果卡慢卡的找我领赏.exe"
    1⤵
    • Suspicious behavior: RenamesItself
    • Suspicious use of WriteProcessMemory
    PID:4404
    • C:\Windows\SysWOW64\cmd.exe
      cmd " /c " "C:\Users\Admin\AppData\Local\Temp\Apple card 500-2.png"
      2⤵
        PID:4120

    Network

    MITRE ATT&CK Matrix ATT&CK v6

    Initial Access

    Execution

    Persistence

    Privilege Escalation

    Defense Evasion

    Credential Access

    Discovery

    System Information Discovery

    1
    T1082

    Lateral Movement

    Collection

    Exfiltration

    Command and Control

    Impact

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/4120-132-0x0000000000000000-mapping.dmp
      Download
    • memory/4404-133-0x00000000341A0000-0x000000003421D000-memory.dmp
      Filesize

      500KB

      Download
    • memory/4404-134-0x0000000033DA0000-0x00000000341A0000-memory.dmp
      Filesize

      4.0MB

      Download