MALICIOUS — 1c3d6775c2b57d94e8b21b56859da3a1e5ad13a1e6a788ae99412257789edbe1.elf

MALICIOUS — 1c3d6775c2b57d94e8b21b56859da3a1e5ad13a1e6a788ae99412257789edbe1.elf is a elf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Prometei family. 7 of 54 detection engines flagged it.

Identification

• SHA-256: 1c3d6775c2b57d94e8b21b56859da3a1e5ad13a1e6a788ae99412257789edbe1
• SHA-1: 454efb3ec8e3d3ca25d704b0f5bbead19e09466d
• MD5: c6492232d1cc3f1f07f89ab44b6ff61f
• ssdeep: 12288:Fs+/py5fM2l+M5F7TsJwtY1yvr+bT1psS+6T6NCj76tsdC:Fs6pyCC/Ya2hpi6T6N4A
• TLSH: T1964A239D451D2AF1C28928D738F97D8F52E325EA18E8119983D0D4A72F4E383B093D75
• Submitted as: 1c3d6775c2b57d94e8b21b56859da3a1e5ad13a1e6a788ae99412257789edbe1.elf
• File type: elf · Size: 449088 bytes
• Verdict: malicious (99/100) · Family: Prometei

Source: MalwareBazaar · first seen 2026-07-27T00:00:00.000Z · SHA-256 verified

Detections (7 of 54 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• ClamAV (daily): Unix.Trojan.Prometei-10045451-0
• YARA: Intezer community: INTEZER_ELF_UPX_Modified
• Detect It Easy (packer/type): DIE:UPX 4.24
• Microsoft Defender: Trojan:Linux/Coinminer.B
• Emsisoft (Emergency Kit): Trojan.Linux.Prometei.5
• Kaspersky (KVRT): HEUR:Backdoor.Linux.Prometei.a

Why this verdict

The malicious score of 99/100 is the fusion of 12 weighted signals:

• ClamAV (daily) flagged Unix.Trojan.Prometei-10045451-0 (rule Unix.Trojan.Prometei-10045451-0) - engine signal, weight 0.90, confidence 0.95
• Memory forensics: 1 finding(s), e.g. injected region in sample.bin (pid 724) (rule linux.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85
• Microsoft Defender flagged Trojan:Linux/Coinminer.B (rule Trojan:Linux/Coinminer.B) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged Trojan.Linux.Prometei.5 (rule Trojan.Linux.Prometei.5) - engine signal, weight 0.55, confidence 0.85
• YARA: Intezer community flagged INTEZER_ELF_UPX_Modified (rule INTEZER_ELF_UPX_Modified) - engine signal, weight 0.35, confidence 0.70
• Detect It Easy (packer/type) flagged DIE:UPX 4.24 (rule DIE:UPX 4.24) - engine signal, weight 0.35, confidence 0.70
• Embedded network infrastructure: http://103.176, http://upx.sf.net, 68.183.204.57 - static signal, weight 0.35, confidence 0.60
• Packing/obfuscation: high-entropy-blob, UPX 4.24 - static signal, weight 0.25, confidence 0.55
• Contacted 2 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Contacted 2 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
• Extracted generic config (2 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

857 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• entropy.ubuntu.com
• ntp.ubuntu.com
• desktop-hsgcbep
• 185.125.189.53
• 10.240.0.1
• ff02::1:3
• 224.0.0.252
• 10.240.0.255
• ff02::1
• ff02::2
• ff02::1:ff4c:1d1d
• ff02::1:2
• 224.0.0.22
• ff02::16
• 185.125.190.57
• 255.255.255.255
• ff02::1:ff12:3456

Dropped files

• tmp_tmp.oN1d1X99OL - eae4825192db11899222b0a7710372998b912e2a9a02fb2f74586b856a48db77

Embedded URLs

• http://103.176
• http://upx.sf.net

Embedded domains

• upx.sf.net
• gnu.pro

Embedded IP addresses

• 68.183.204.57
• 172.16.17.201
• 103.0.0.176

More Prometei samples · Latest analyzed threats · ATT&CK coverage

Analyzed on MalwareAnalyzer by Cyble · Open interactive report