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Overview

overview

10

Static

static

1

TelegramUpdate.exe

windows7-x64

10

TelegramUpdate.exe

windows10-2004-x64

10

Analysis

  • max time kernel
    129s
  • max time network
    132s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220812-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220812-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/02/2023, 01:53

Sharing

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General

  • Target

    TelegramUpdate.exe

  • Size

    225KB

  • MD5

    81aa27ad9f5fd8bbe15bf47c2bf27274

  • SHA1

    fe834e58ea5082626e36453fd4935a9b0ea7fef0

  • SHA256

    ff1d2120f0862987b44b2bb6f209c372cfdb83a3060d149a1b48f52b67c4672a

  • SHA512

    55f7f3907487d7e6e72869e4b7cbd8c607400abd05b28b4500b4f22068be7b02140e4939d1bf5839be54416992a4964a7fe77ca0dc66fce9a5f50bae924a01c5

  • SSDEEP

    3072:7aThtOURU92D+RN+2z7FHk/yS5a3IV4eOAg0FujD3NRaDuO7r6GiX8QiQ/fx:SwR26RN+UHUyjAO/aDuqr6SE3x

Score
10/10
cobaltstrike1234567890backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

1234567890

C2

http://45.77.174.98:50053/IE9CompatViewList.xml

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    45.77.174.98,/IE9CompatViewList.xml

  • http_header1

    AAAABwAAAAAAAAADAAAABgAAAAZDb29raWUAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_header2

    AAAACgAAACZDb250ZW50LVR5cGU6IGFwcGxpY2F0aW9uL29jdGV0LXN0cmVhbQAAAAcAAAAAAAAABQAAAAJpZAAAAAcAAAABAAAABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=

  • http_method1

    GET

  • http_method2

    POST

  • polling_time

    60000

  • port_number

    50053

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCAcZ1mihdRPV+jtXqlK5jFd8nSTP3W41By0zcVKim9A+XK254buCgb6LPzNx7nNi5x3juj3vvuRq9eZkTEIMWePcvMrbgbvOoMvQQYRGz1QFpnbrTBPF/gRpXlFXd276cTF7N9ykBj9r3XBL6pmkEn5Yndsk2DF6wlwZg6fpp29wIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • 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; NP06)

  • watermark

    1234567890

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Drops file in System32 directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\TelegramUpdate.exe
    "C:\Users\Admin\AppData\Local\Temp\TelegramUpdate.exe"
    1⤵
      PID:3348
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k WbioSvcGroup -s WbioSrvc
      1⤵
      • Drops file in System32 directory
      • Suspicious use of AdjustPrivilegeToken
      PID:3740

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/3348-133-0x0000000003D30000-0x0000000004130000-memory.dmp

      Filesize

      4.0MB

      Download

    • memory/3348-134-0x0000000003890000-0x00000000038CE000-memory.dmp

      Filesize

      248KB

      Download

    • memory/3348-135-0x0000000003890000-0x00000000038CE000-memory.dmp

      Filesize

      248KB

      Download