Overview

overview

10

Static

static

1

d6127d6143...f7.dll

windows7-x64

10

d6127d6143...f7.dll

windows10-2004-x64

10

Analysis

  • max time kernel
    141s
  • max time network
    117s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10-04-2023 16:14

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General

  • Target

    d6127d614309acbf2a630fe3fb0fda8e4079dcf2045f91aa400d179751d425f7.dll

  • Size

    547KB

  • MD5

    76a1f94ed6499b99d2cc500998846875

  • SHA1

    ca14d61bcf038cda45199f54c7c452ad262a7c88

  • SHA256

    d6127d614309acbf2a630fe3fb0fda8e4079dcf2045f91aa400d179751d425f7

  • SHA512

    a14383ae7d16e38a6db8a40181c560bd6c7ddc09515247efe21fd18996390867c26fbc55da60c43fa922757d6664259513c93b875fcaac85fb85a272712b3dde

  • SSDEEP

    12288:jKbxbfwSq8PNouXG7Bo3qLgO8HeYU+MbGm:6xUSroIG7u3q8reYU+MbGm

Score
10/10
cobaltstrike0backdoortrojan

Malware Config

Extracted

Family

cobaltstrike

Botnet

0

C2

http://msc-mvc-updates.com:80/_/scs/mail-static/_/js/

Attributes
  • access_type

    512

  • host

    msc-mvc-updates.com,/_/scs/mail-static/_/js/

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    3840

  • polling_time

    60000

  • port_number

    80

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCnOM3nXx+7HBhkbDd+AwFrFisSunK999w2tM0uTpuuEiBalcJhcL+QgQWtf6S7zPp5hjImG+2YcPl18geU4f5JlSPXHwilbK4DFb/ePWyKFjhrA7emVRqhM21QMlo1ANsn14rY/RO2pzuft8P7TXoIjjI/B2GGVuzYNZX6X4I2EwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    5.37071616e+08

  • unknown2

    AAAABAAAAAEAAAF3AAAAAQAAAPoAAAACAAAABAAAAAIAAAAcAAAAAgAAACQAAAACAAAAEgAAAAIAAAAEAAAAAgAAABwAAAACAAAAJAAAAAIAAAARAAAAAgAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /mail/u/0/

  • user_agent

    Mozilla/5.0 (compatible; MSIE 9.0; Windows NT 6.1; WOW64; Trident/5.0; MALC)

  • watermark

    0

Signatures

  • Cobaltstrike

    Detected malicious payload which is part of Cobaltstrike.

    trojanbackdoorcobaltstrike
  • Blocklisted process makes network request 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\system32\rundll32.exe
    rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6127d614309acbf2a630fe3fb0fda8e4079dcf2045f91aa400d179751d425f7.dll,#1
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4484
    • C:\Windows\SysWOW64\rundll32.exe
      rundll32.exe C:\Users\Admin\AppData\Local\Temp\d6127d614309acbf2a630fe3fb0fda8e4079dcf2045f91aa400d179751d425f7.dll,#1
      2⤵
      • Blocklisted process makes network request
      PID:2188

Network

MITRE ATT&CK Matrix

Replay Monitor

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Downloads

  • memory/2188-133-0x000000006BAC0000-0x000000006BB0D000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2188-141-0x000000006BAC0000-0x000000006BB0D000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2188-142-0x000000006BAC0000-0x000000006BB0D000-memory.dmp

    Filesize

    308KB

    Download

  • memory/2188-143-0x0000000000690000-0x0000000000691000-memory.dmp

    Filesize

    4KB

    Download

  • memory/2188-145-0x0000000002230000-0x0000000002264000-memory.dmp

    Filesize

    208KB

    Download

  • memory/2188-148-0x00000000024A0000-0x00000000024DE000-memory.dmp

    Filesize

    248KB

    Download

  • memory/2188-149-0x0000000062280000-0x0000000062302000-memory.dmp

    Filesize

    520KB

    Download

  • memory/2188-150-0x00000000024A0000-0x00000000024DE000-memory.dmp

    Filesize

    248KB

    Download