Cert Graveyard Report

Certificate Signer: Meltytech, LLC
Certificate Serial: 00 91 A4 DB 36 7C 7F 2D 09 2A 4E 73 D7 2E 2E F5 BD

All Cert Graveyard entries are considered malware. Other files by the same certificate serial number should be considered suspect.

Malware Family:

CobaltStrike

SHA256 Hash:

1d3bcced2467d17e2be347629e1aae5ad919c0cf850932eef0fff74fc3ea0f03

Certificate Serial:

00 91 A4 DB 36 7C 7F 2D 09 2A 4E 73 D7 2E 2E F5 BD

Certificate Signer:

Meltytech, LLC

Certificate Issuer:

Sectigo Public Code Signing CA EV E36

Valid From:

2026-06-02 00:00:00

Valid To:

2027-06-02 23:59:00

Reported:

2026-06-10 13:26:58 UTC

Notes:

C2: HTTPS @ 8[.]219[.]158[.]30:443 C2 Server: google[.]dns-1[.]help,/dot[.]gif POST URI: /submit[.]php Country: Singapore ASN: Alibaba (US) Technology Co., Ltd. Watermark: 666666666