Overview

overview

10

Static

static

3

b4012c4542...6c.exe

windows7-x64

1

b4012c4542...6c.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    145s
  • max time network
    146s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231222-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231222-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06-02-2024 23:45

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General

  • Target

    b4012c45423840f0e2e313bb0f66e545b383c714ebdff0e183f8ac33dd04d46c.exe

  • Size

    202KB

  • MD5

    e428fb6a22ff6d709df5927ad238eda6

  • SHA1

    b1c084409f8c368b60de67a8d5564e5e26806285

  • SHA256

    b4012c45423840f0e2e313bb0f66e545b383c714ebdff0e183f8ac33dd04d46c

  • SHA512

    4a2dc5d598bbb6c32c5a5bd4c097154eb7767d2e3fcd6a913e31e9d98740480a9a68443bc0f946a17e0ea7edfdbb615c34895de6cef9a6124a6533fdce39af39

  • SSDEEP

    3072:kkEga0uyYPTM3rmjZvto2AKCK3WOad4RCuGGh6EX/vojs:kbp0OT3PAKjdNG06EI

Score
10/10
cobaltstrike100000000backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

C2

http://172.245.64.178:2443/jquery-3.3.2.slim.min.js

Attributes
  • user_agent

    Accept: text/html,application/xhtml+xml,application/xml;q=0.9,*/*;q=0.8 Accept-Language: en-US,en;q=0.5 Referer: http://code.jquery.com/ Accept-Encoding: gzip, deflate User-Agent: Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

Extracted

Family

cobaltstrike

Botnet

100000000

C2

http://172.245.64.178:2443/jquery-3.3.1.min.js

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    172.245.64.178,/jquery-3.3.1.min.js

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    9472

  • polling_time

    45000

  • port_number

    2443

  • sc_process32

    %windir%\syswow64\dllhost.exe

  • sc_process64

    %windir%\sysnative\dllhost.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCJ/MEMQnSoutFr1ybQ2lJ3TxsOJhDJLP/GqrpAvVyzOlMMbSu0LLvKu53yODL5OaZSI6WtH5OAyYJcGRiQSxCEFXrZDQDErqXckusW2bo0l5/mp6RTBsTyvM7GXiPBj9lu7I2XMCmg7O89uuVJbiYgEIW2Pj7D63lYIqY0QPq3RQIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    4.234810624e+09

  • unknown2

    AAAABAAAAAEAAAXyAAAAAgAAAFQAAAACAAAPWwAAAA0AAAAPAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /jquery-3.3.2.min.js

  • user_agent

    Mozilla/5.0 (Windows NT 6.3; Trident/7.0; rv:11.0) like Gecko

  • watermark

    100000000

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\b4012c45423840f0e2e313bb0f66e545b383c714ebdff0e183f8ac33dd04d46c.exe
    "C:\Users\Admin\AppData\Local\Temp\b4012c45423840f0e2e313bb0f66e545b383c714ebdff0e183f8ac33dd04d46c.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2632
    • C:\Windows\SYSTEM32\notepad.exe
      notepad.exe
      2⤵
        PID:2592

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • memory/2632-1-0x00000158017A0000-0x00000158017A1000-memory.dmp
      Filesize

      4KB

      Download
    • memory/2632-0-0x00007FFE69F50000-0x00007FFE6A145000-memory.dmp
      Filesize

      2.0MB

      Download
    • memory/2632-6-0x0000015801F20000-0x0000015802320000-memory.dmp
      Filesize

      4.0MB

      Download
    • memory/2632-5-0x0000015802320000-0x0000015802792000-memory.dmp
      Filesize

      4.4MB

      Download