Analysis

  • max time kernel
    138s
  • max time network
    146s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    06-04-2024 23:01

General

  • Target

    c053ca4323a869b113c1587d0fa79208736182a23ca3ea9d5c363a1782bae7c9.exe

  • Size

    1.8MB

  • MD5

    d355b28da6fba7cbde77b4a58b5a37dc

  • SHA1

    01fbf846d665df43511160f719aab7b6f6f15534

  • SHA256

    c053ca4323a869b113c1587d0fa79208736182a23ca3ea9d5c363a1782bae7c9

  • SHA512

    a1d5e6197b8fec3266ffb8b20c9c760a96036d4391f527faee2b68a96b5a9be542f4c07f48ef80519928132d3698530216e1ec0ff480bee986441245d90e0c10

  • SSDEEP

    24576:1y1oqd+AJQDMeRP4l/o5G1l9gCYdtnKs7JoH9+geej6j/SjsJ9O6r1r:1Fqd+AJQDKXKnN7Jod+geZY6r1r

Malware Config

Extracted

Family

cobaltstrike

C2

http://update.micdosoft.top:443/eNHb

Attributes
  • user_agent

    User-Agent: Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Trident/5.0; BOIE9;ENUS)

Extracted

Family

cobaltstrike

Botnet

1234567890

C2

http://156.232.7.236:443/g.pixel

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    156.232.7.236,/g.pixel

  • 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

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCO6/soz8CFOUFLyKfzGLGvQA+I8lQRouYptlJ8hq3fEzz5V+xS/GVmQPZrXct5Ay7tvMu9idMFkPkbO5fl0FjRRD2XRpCr0NwWkZaR6hI6zn9xWIW22mmBz+asxn0wbrt7kOTu+Ai8QcWeN8QKrYrZueZ+ZrwuVgRxhv3UEC+DxwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

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

  • watermark

    1234567890

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • Modifies system certificate store 2 TTPs 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\c053ca4323a869b113c1587d0fa79208736182a23ca3ea9d5c363a1782bae7c9.exe
    "C:\Users\Admin\AppData\Local\Temp\c053ca4323a869b113c1587d0fa79208736182a23ca3ea9d5c363a1782bae7c9.exe"
    1⤵
    • Modifies system certificate store
    PID:2324

Network

MITRE ATT&CK Matrix ATT&CK v13

Defense Evasion

Subvert Trust Controls

1
T1553

Install Root Certificate

1
T1553.004

Modify Registry

1
T1112

Replay Monitor

Loading Replay Monitor...

Downloads

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015
    Filesize

    68KB

    MD5

    29f65ba8e88c063813cc50a4ea544e93

    SHA1

    05a7040d5c127e68c25d81cc51271ffb8bef3568

    SHA256

    1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184

    SHA512

    e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa

  • C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
    Filesize

    344B

    MD5

    12af5549ed78ce30dff4a504191ca0bb

    SHA1

    9484485e17dfd581b08d3941e9e9ef150493edba

    SHA256

    1aff4f6f7f9bb3833508c42ec731f6d6f1241632c7226c7e36b195424cacf901

    SHA512

    646cc2fb7f7346b6266b918d5c17ff1c9bc115c29c34a8539959e7d02d666b7fc3c1c7555893138a210a8dc930d95d9dac4aa38ab54ea767516c6f70d5edd521

  • C:\Users\Admin\AppData\Local\Temp\Tar78A0.tmp
    Filesize

    177KB

    MD5

    435a9ac180383f9fa094131b173a2f7b

    SHA1

    76944ea657a9db94f9a4bef38f88c46ed4166983

    SHA256

    67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34

    SHA512

    1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a

  • memory/2324-0-0x00000000003D0000-0x00000000003D1000-memory.dmp
    Filesize

    4KB

  • memory/2324-38-0x000000002A110000-0x000000002A510000-memory.dmp
    Filesize

    4.0MB

  • memory/2324-39-0x0000000029200000-0x000000002924E000-memory.dmp
    Filesize

    312KB

  • memory/2324-69-0x0000000029200000-0x000000002924E000-memory.dmp
    Filesize

    312KB