Overview

overview

10

Static

static

3

b17d23ea9c...ff.exe

windows7-x64

10

b17d23ea9c...ff.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    142s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    15-07-2023 13:22

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General

  • Target

    b17d23ea9c0f3e5c97867599a903fbff.exe

  • Size

    233KB

  • MD5

    b17d23ea9c0f3e5c97867599a903fbff

  • SHA1

    52ece5b5aa391c863e93ae4553aa4863260c5d92

  • SHA256

    6b3be5de40b3f2d063389b53e5fc63950ee2b9aad46d5ecc1e23c546746952b3

  • SHA512

    fd41640d0d7a64fe6f5fd2ae466b97dfa66f8c191f9625c862730eddc78fa76653a656cd372fb1a1bb21b84223a5046448887501496523c7d2a98271e2e90b3b

  • SSDEEP

    3072:bFzIvEdt1bmmkKKgTVVVDEunfs9ivZ+J97NCqZu0/N1ipwz9xKu:Rzrf1bkgN5sbR8AN1Jpwu

Score
10/10
cobaltstrike666666backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

666666

C2

http://service-4yorw5on-1310046338.bj.apigw.tencentcs.com:443/s

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    service-4yorw5on-1310046338.bj.apigw.tencentcs.com,/s

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    11008

  • polling_time

    50000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQDASkBNxG937VYrqwDEI9Euaiu9pUK1HLNs3B4Qa3+oKUB98PXvBfNj0L15dIarQ4YidB59FjJU9/PJF/BX9iC0FR7bsusvJW0UBMC/ly6mLUCinPlgsL8eKdPvkgY/zCizjCeHe3WCneCs0HgJ2P41eOK48eTgWvM8IABrDQP+uwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    1.868436736e+09

  • unknown2

    AAAABAAAAAEAAAXVAAAAAgAAA0IAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /S

  • user_agent

    Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/96.0.4664.110 Safari/537.36

  • watermark

    666666

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Modifies system certificate store 2 TTPs 2 IoCs
    evasionspywaretrojan

Processes

  • C:\Users\Admin\AppData\Local\Temp\b17d23ea9c0f3e5c97867599a903fbff.exe
    "C:\Users\Admin\AppData\Local\Temp\b17d23ea9c0f3e5c97867599a903fbff.exe"
    1⤵
    • Modifies system certificate store
    PID:2072

Network

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Persistence

Privilege Escalation

Defense Evasion

Install Root Certificate

1
T1130

Modify Registry

1
T1112

Credential Access

Discovery

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Replay Monitor

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Downloads

  • memory/2072-54-0x0000000000320000-0x00000000003A0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2072-55-0x0000000003A10000-0x0000000003E10000-memory.dmp
    Filesize

    4.0MB

    Download
  • memory/2072-56-0x00000000003A0000-0x00000000003EF000-memory.dmp
    Filesize

    316KB

    Download
  • memory/2072-57-0x0000000000320000-0x00000000003A0000-memory.dmp
    Filesize

    512KB

    Download
  • memory/2072-58-0x00000000003A0000-0x00000000003EF000-memory.dmp
    Filesize

    316KB

    Download