MALICIOUS — 23b7cba865e8bc974b09885dcaaba9574b6e124ef4df0f751a4b076b60b57eeb.elf

MALICIOUS — 23b7cba865e8bc974b09885dcaaba9574b6e124ef4df0f751a4b076b60b57eeb.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: 23b7cba865e8bc974b09885dcaaba9574b6e124ef4df0f751a4b076b60b57eeb
• SHA-1: 970df8270705d31a24970ac819662748fe359a47
• MD5: 7910bc84ebeb47d5e6d9c86d87f6b5e4
• ssdeep: 12288:Fs+/py5fM2l+M5F7TsJwtY1yvr+bT1psS+6T6NCj76tsdF:Fs6pyCC/Ya2hpi6T6N43
• TLSH: T1144A239D451D2AF1C289289738F97D8F52E325EA18E8119983D0D8AB2F4E383B053D75
• Submitted as: 23b7cba865e8bc974b09885dcaaba9574b6e124ef4df0f751a4b076b60b57eeb.elf
• File type: elf · Size: 449082 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 726) (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 4 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Contacted 4 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)

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

Runtime network

• entropy.ubuntu.com
• desktop-hsgcbep
• ntp.ubuntu.com
• 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
• 252.0.0.224.in-addr.arpa
• 185.125.189.54:443
• 185.125.189.54
• 10.240.0.1
• ff02::1:3
• 224.0.0.252
• 185.125.189.52
• 10.240.0.255
• 224.0.0.251
• ff02::fb
• 91.189.91.157
• 224.0.0.22
• ff02::2
• ff02::1:ff12:3456

Dropped files

• tmp_tmp.wPd2JUdneB - 57206b99b4e4be5646236424b030fd9cc5d5d24d7bbd442199a91e048b8f05dd

Embedded URLs

• http://103.176
• http://upx.sf.net

Embedded domains

• upx.sf.net
• gnu.pro

Embedded IP addresses

• 68.183.204.57
• 10.10.70.10
• 103.0.0.176

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report