Overview

overview

10

Static

static

3

2026-08-19...rm.exe

windows10-2004-x64

10

2026-08-19...rm.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-08-19_087ae4915af7afb4a0a9727096370aae_cobalt-strike_elex_glassworm
  • Size 1.8MB
  • Sample260819-3dk56swara
  • SHA256 5b999f473250c12c9019afacbe1c9ea0a41e488f6a889b7d26b150f55fb37485
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
cobaltstrike426352781backdoordiscoverytrojan

Malware Config

Extracted

Family

  • cobaltstrike

Botnet

  • 426352781

C2

  • http://download.windows-microsoft-en.com:443/cms/api/am/checkLogin

Attributes
  • access_type

    512

  • beacon_type

    2048

  • host

    download.windows-microsoft-en.com,/cms/api/am/checkLogin

  • http_header1

    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

  • http_header2

    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

  • http_method1

    GET

  • http_method2

    POST

  • jitter

    7680

  • polling_time

    35000

  • port_number

    443

  • sc_process32

    %windir%\syswow64\rundll32.exe

  • sc_process64

    %windir%\sysnative\rundll32.exe

  • state_machine

    MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCOHTBHY2KE5J117W1CYAndtVOlmc/TGjF120dd15v49sKCevreY6O/rmDcr1rg8XJj+N4Iu43lIHosgrPhfxGMSecKChWYmL8lHHXP+jRMl725S0S0lF/Ns+95RkyXFh56yTdS5ziRvsAj1iO6QSwzEz2RnYeGAtxTUVIVCI6qKwIDAQABAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • unknown1

    3.109360896e+09

  • unknown2

    AAAABAAAAAEAAAA5AAAAAgAAACgAAAADAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==

  • uri

    /cms/api/am/checkLoginState

  • user_agent

    Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/90.0.4430.212 Safari/537.36

  • watermark

    426352781

Targets

    • Target
      2026-08-19_087ae4915af7afb4a0a9727096370aae_cobalt-strike_elex_glassworm
    • Size 1.8MB
    • SHA256 5b999f473250c12c9019afacbe1c9ea0a41e488f6a889b7d26b150f55fb37485
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    backdoor426352781discoverycobaltstriketrojan

    • Family: Cobaltstrike

      Detected malicious payload which is part of Cobaltstrike.

      trojanbackdoorcobaltstrike

    • Detects Reflective DLL injection artifacts

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks