Overview

overview

10

Static

static

3

820a805494...e9.exe

windows7-x64

10

820a805494...e9.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    284s
  • max time network
    296s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    24-11-2024 10:44

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General

  • Target

    820a8054947f0a4c719d3bf39770319fd5fc769ac289755cfb7ec369272da0e9.exe

  • Size

    438KB

  • MD5

    f5979a9b4215a16df98e6efa31458320

  • SHA1

    4c78cdfd7173fdde3a60933f94d4ddf9b823f9ad

  • SHA256

    820a8054947f0a4c719d3bf39770319fd5fc769ac289755cfb7ec369272da0e9

  • SHA512

    0d90919488fff8c84c03f7dc185bb1a9fd60e6bba0c1a14b9edb7693a44b2b3d8e8e8db78fc39caf48a864bca7a1d6011f13b0199c49384c0a835d9c14dd0a77

  • SSDEEP

    12288:wuDITSDH9dCitRTr/GVtM9x/eYBS5Z+VpWgw:ITS3ROVi9x2WVRw

Score
10/10
cobaltstrike426352781backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

426352781

C2

http://8.210.0.43:8081/image/

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    8.210.0.43,/image/

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    5000

  • port_number

    8081

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCdqtZUoIipzOeY3YsVyqN4IwArxxKGJ+la04LaC22ZOv68DPt6n4he2fTmyjLV27XOVEOG/s3ND7jG/uOW+05YbesJdWfL1XdoMT1785VtL5s6Nd2P9vMOCduwLjcvgxUHoIFAV4qk4SnZv4RW237z1FnUtMU18SK/VMBolXPd2wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.481970944e+09

  • unknown2

    AAAABAAAAAMAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /administrator/

  • user_agent

    Mozilla/5.0 (compatible; MSIE 8.0; Windows NT 6.1; Trident/5.0)

  • watermark

    426352781

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Cobaltstrike family
    cobaltstrike
  • Suspicious use of SetThreadContext 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\820a8054947f0a4c719d3bf39770319fd5fc769ac289755cfb7ec369272da0e9.exe
    "C:\Users\Admin\AppData\Local\Temp\820a8054947f0a4c719d3bf39770319fd5fc769ac289755cfb7ec369272da0e9.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of WriteProcessMemory
    PID:2128
    • C:\Program Files\Internet Explorer\iexplore.exe
      "C:\Program Files\Internet Explorer\iexplore.exe"
      2⤵
        PID:2268

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/2128-0-0x0000000001E40000-0x0000000001F5F000-memory.dmp

      Filesize

      1.1MB

      Download

    • memory/2128-1-0x0000000002110000-0x00000000022B9000-memory.dmp

      Filesize

      1.7MB

      Download

    • memory/2268-2-0x00000000002B0000-0x00000000016B0000-memory.dmp

      Filesize

      20.0MB

      Download