Overview

overview

10

Static

static

3

2024-06-10...uk.exe

windows7-x64

1

2024-06-10...uk.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    123s
  • max time network
    125s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240426-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240426-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-06-2024 06:14

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General

  • Target

    2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe

  • Size

    88KB

  • MD5

    18b94c614c8f8fde8a65ea3af6c6f2a7

  • SHA1

    a2e0bcde5c92f793b55cbe442b85a7766aa05afa

  • SHA256

    6630887a84856400b21355b6d889250e10d3e0b611f0cfbc4d9ed2274b3bc3a4

  • SHA512

    736affc9d6cdb8ced60a1061e39659217aa7a726d7328b14c15be1b9b5698b10d0cf2538e6bf9d281e0949e2f2dcbb9bfff415bbf14e6185663e1df8858a1a4d

  • SSDEEP

    1536:fcA3rdqAskjspjgbHuLs6cFLlxgpQrsW6m6dc9dlpiigrhVRazc:f73rlojEOQTFL7sQ8mAU1grhVf

Score
10/10
cobaltstrike0100000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://195.181.245.38:3421/zkB6

Attributes
  • user_agent

    User-Agent: Mozilla/4.0 (compatible; MSIE 8.0; Windows NT 6.1; WOW64; Trident/4.0; SLCC2; .NET CLR 2.0.50727)

Extracted

Family

cobaltstrike

Botnet

100000

C2

http://195.181.245.38:3421/j.ad

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    195.181.245.38,/j.ad

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    3421

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDDohWpPN9dK5Iaq3j5MARwhwXxMD+LZJY92SEg755tH3cbGJDwjAjae+Cq14PUO5w33EpPbdmLoEfwZmXv2Zz/AYj0O8mNmRw35sEPhPXGKj1Snqz4qS1EVBYgJOSMLEUCg7LBwHQtvsGnoZjszjkVqf9Hi9INcnBF8qLyh4JrKQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4096

  • unknown2

    AAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /submit.php

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; Win64; x64; Trident/5.0; MANM; MANM)

  • watermark

    100000

Extracted

Family

cobaltstrike

Botnet

0

Attributes
  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Suspicious behavior: EnumeratesProcesses 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-10_18b94c614c8f8fde8a65ea3af6c6f2a7_ryuk.exe"
    1⤵
    • Suspicious behavior: EnumeratesProcesses
    PID:2212

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2212-0-0x000001B9ED7F0000-0x000001B9ED7F1000-memory.dmp
    Filesize

    4KB

    Download
  • memory/2212-3-0x000001B9EF9B0000-0x000001B9EFDB0000-memory.dmp
    Filesize

    4.0MB

    Download
  • memory/2212-4-0x000001B9EFDB0000-0x000001B9EFDFF000-memory.dmp
    Filesize

    316KB

    Download
  • memory/2212-5-0x000001B9EFDB0000-0x000001B9EFDFF000-memory.dmp
    Filesize

    316KB

    Download