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PULSE NAME
IOC - Bitter (APT-Q-37) uses diverse means to deliver new backdoor components
WHITE Bitter celestre 2025-10-24 Modified: 2025-10-24
31
IOCs
MEDIUM VOLUME
winrar vulnerabilityapt-q-37
MITRE ATT&CK & Malware Families
ATT&CK TECHNIQUES
MALWARE FAMILIES
C# backdoor
Indicators of Compromise (6 / 31 total)
All CVE FileHash-MD5 FileHash-SHA1 FileHash-SHA256 URL domain hostname
TYPEINDICATORDESCRIPTIONCREATED
FileHash-MD5 18164f7b3d320a79b6db634f718a1095 — 2025-10-24
FileHash-MD5 4bedd8e2b66cc7d64b293493ef5b8942 — 2025-10-24
FileHash-MD5 7452fb632fd824f882fa12f9bebd7aa7 — 2025-10-24
FileHash-MD5 b165b489c5f8c4e136364664502d68f1 — 2025-10-24
FileHash-MD5 f16f2e4317c37085cad630d41001f7c3 — 2025-10-24
FileHash-MD5 f6f2fdc38cd61d8d9e8cd35244585967 — 2025-10-24
References (1)
↗ https://ti.qianxin.com/blog/articles/bitter-uses-diverse-means-to-deliver-new-backdoor-components-en