Resubmissions

05/04/2024, 11:46

240405-nxk7ysah91 10

Analysis

  • max time kernel
    125s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/04/2024, 11:46

General

  • Target

    xxs.ps1

  • Size

    5KB

  • MD5

    40f1e274dadb4c2c3679660e751d2012

  • SHA1

    f367de9a3d326a009a0984ff8cc82cc9ae102055

  • SHA256

    19c21eef3cf7bccd23adba2f70d99d434a0a74b29d26c1ece6cbd0dedcd3774b

  • SHA512

    0df82043636b9d26cedae955e93ae8524f5dacecd76bcfccb4ff539a23786ea43808caab2f520962ccf218efb9d05831ecbb4958a753e292fd565431497f351e

  • SSDEEP

    96:3gvqgrvOJwIb36PigjAv8BbKxsqlMOdjH1xzdLldZFaqF80liM0lCa:ovOtKagw8wfjH1xrdZUqFBI7

Malware Config

Extracted

Family

metasploit

Version

windows/download_exec

C2

http://66.135.4.59:8010/3ziF

Attributes
  • headers User-Agent: Mozilla/5.0 (compatible; MSIE 10.0; Windows NT 6.1; WOW64; Trident/6.0)

Extracted

Family

cobaltstrike

Botnet

1234567890

C2

http://66.135.4.59:8010/ptj

Attributes
  • access_type

    512

  • host

    66.135.4.59,/ptj

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    8010

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCvYRrBhypXoyEO+BJhO2dLJE/6d4e1MIa/77tBoi6L5cRsYFvs31fZVPRgXDM6IWYUle9iqvcp2Ft5IVMQobju6KI6eAPwb1uuy28szzVvCRpUsdqvjUBoISt014wcoAPe2OLdt1TQd8YYfLldD43X54YBS8TqTMh3z5fUyTF1SwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/4.0 (compatible; MSIE 7.0; Windows NT 5.1; .NET CLR 2.0.50727; InfoPath.2)

  • watermark

    1234567890

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

  • MetaSploit

    Detected malicious payload which is part of the Metasploit Framework, likely generated with msfvenom or similar.

  • Blocklisted process makes network request 4 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\xxs.ps1
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3992
    • \??\c:\windows\syswow64\windowspowershell\v1.0\powershell.exe
      "c:\windows\syswow64\windowspowershell\v1.0\powershell.exe" -Version 5.1 -s -NoLogo -NoProfile
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2340

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache

          Filesize

          53KB

          MD5

          93678e82d776686aa54c42b8a98e6cbc

          SHA1

          802939dfed99ac74814c4371388b204c5810241d

          SHA256

          da32a79a8e04cbafb1c5980b3d6225f4705010df5eb45d464cd5bf6b642d7841

          SHA512

          0b412a1e11c0639d72f6a58c661ecc43da021c010c4d1e66051c5a376ebab287480bbf663345c9bd2a79ec3a35a9788cf04d74d612449f76fe2c87576cd13520

        • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_shsitt0k.tjw.ps1

          Filesize

          60B

          MD5

          d17fe0a3f47be24a6453e9ef58c94641

          SHA1

          6ab83620379fc69f80c0242105ddffd7d98d5d9d

          SHA256

          96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

          SHA512

          5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

        • memory/2340-22-0x0000000006220000-0x0000000006286000-memory.dmp

          Filesize

          408KB

        • memory/2340-38-0x0000000007D80000-0x0000000008180000-memory.dmp

          Filesize

          4.0MB

        • memory/2340-49-0x0000000005540000-0x000000000557E000-memory.dmp

          Filesize

          248KB

        • memory/2340-48-0x0000000005360000-0x0000000005370000-memory.dmp

          Filesize

          64KB

        • memory/2340-47-0x0000000005360000-0x0000000005370000-memory.dmp

          Filesize

          64KB

        • memory/2340-15-0x0000000005260000-0x0000000005296000-memory.dmp

          Filesize

          216KB

        • memory/2340-17-0x0000000005360000-0x0000000005370000-memory.dmp

          Filesize

          64KB

        • memory/2340-18-0x00000000059A0000-0x0000000005FC8000-memory.dmp

          Filesize

          6.2MB

        • memory/2340-16-0x0000000074B40000-0x00000000752F0000-memory.dmp

          Filesize

          7.7MB

        • memory/2340-19-0x0000000005360000-0x0000000005370000-memory.dmp

          Filesize

          64KB

        • memory/2340-20-0x0000000005870000-0x0000000005892000-memory.dmp

          Filesize

          136KB

        • memory/2340-21-0x0000000006140000-0x00000000061A6000-memory.dmp

          Filesize

          408KB

        • memory/2340-46-0x0000000074B40000-0x00000000752F0000-memory.dmp

          Filesize

          7.7MB

        • memory/2340-32-0x0000000006390000-0x00000000066E4000-memory.dmp

          Filesize

          3.3MB

        • memory/2340-39-0x0000000005540000-0x000000000557E000-memory.dmp

          Filesize

          248KB

        • memory/2340-35-0x0000000007700000-0x0000000007D7A000-memory.dmp

          Filesize

          6.5MB

        • memory/2340-33-0x0000000006920000-0x000000000693E000-memory.dmp

          Filesize

          120KB

        • memory/2340-36-0x0000000006E90000-0x0000000006EAA000-memory.dmp

          Filesize

          104KB

        • memory/2340-37-0x0000000006F90000-0x0000000006F91000-memory.dmp

          Filesize

          4KB

        • memory/2340-34-0x0000000006A30000-0x0000000006A7C000-memory.dmp

          Filesize

          304KB

        • memory/3992-11-0x000001B2C6B50000-0x000001B2C6B60000-memory.dmp

          Filesize

          64KB

        • memory/3992-41-0x00007FF918FF0000-0x00007FF919AB1000-memory.dmp

          Filesize

          10.8MB

        • memory/3992-9-0x000001B2DFBD0000-0x000001B2DFBF2000-memory.dmp

          Filesize

          136KB

        • memory/3992-44-0x000001B2C6B50000-0x000001B2C6B60000-memory.dmp

          Filesize

          64KB

        • memory/3992-45-0x000001B2C6B50000-0x000001B2C6B60000-memory.dmp

          Filesize

          64KB

        • memory/3992-10-0x00007FF918FF0000-0x00007FF919AB1000-memory.dmp

          Filesize

          10.8MB

        • memory/3992-14-0x000001B2E0390000-0x000001B2E059A000-memory.dmp

          Filesize

          2.0MB

        • memory/3992-13-0x000001B2E0000000-0x000001B2E0176000-memory.dmp

          Filesize

          1.5MB

        • memory/3992-12-0x000001B2C6B50000-0x000001B2C6B60000-memory.dmp

          Filesize

          64KB