MALICIOUS — a05e47692520185c1d3b5b0bb72b6a4b954064d2e28af22c5dad24fb2b924743.bin

MALICIOUS — a05e47692520185c1d3b5b0bb72b6a4b954064d2e28af22c5dad24fb2b924743.bin is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100), attributed to the RemcosRATt family. 3 of 23 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: a05e47692520185c1d3b5b0bb72b6a4b954064d2e28af22c5dad24fb2b924743
• SHA-1: 38dbd2460eb0886bb773cba229ec479a0b7d6dec
• MD5: eb68387c3cddac70afe315bbb18d85c4
• ssdeep: 98304:MCzJ0S1W2+Hy8y1ZNe7x5SF2OqlADbxja2RRN8/hn6aDkVc1rJSd:30g7+S81VLOqlIbVau8JPScHSd
• TLSH: T1266329F3438B33DEEDCE2C41D7E5AEB6842CE2AB1172D429420E42792D94DC47A14967
• Submitted as: a05e47692520185c1d3b5b0bb72b6a4b954064d2e28af22c5dad24fb2b924743.bin
• File type: script · Size: 5031255 bytes
• Verdict: malicious (92/100) · Family: RemcosRATt

Detections (3 of 23 engines)

• Microsoft Defender: Trojan:JS/RemcosRATt.SB!MTB
• Emsisoft (Emergency Kit): JS:Trojan.Cryxos.16557
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

MITRE ATT&CK

• T1105

Why this verdict

The malicious score of 92/100 is the fusion of 5 weighted signals:

• Microsoft Defender flagged Trojan:JS/RemcosRATt.SB!MTB (rule Trojan:JS/RemcosRATt.SB!MTB) - engine signal, weight 0.55, confidence 0.85
• Emsisoft (Emergency Kit) flagged JS:Trojan.Cryxos.16557 (rule JS:Trojan.Cryxos.16557) - engine signal, weight 0.55, confidence 0.85
• Kaspersky (KVRT) flagged HEUR:Trojan.Script.Generic (rule HEUR:Trojan.Script.Generic) - engine signal, weight 0.55, confidence 0.85
• Obfuscated javascript script: dynamic-exec (rule script-deobfuscation) - static signal, weight 0.55, confidence 0.75
• Contacted 4 external host(s) at runtime - network signal, weight 0.12, confidence 0.55

Dynamic analysis (linux)

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

Runtime network

• WORKGROUP
• 250.255.255.239.in-addr.arpa
• ntp.ubuntu.com
• desktop-hsgcbep
• 10.240.0.255
• 224.0.0.251
• ff02::fb
• ff02::1:3
• 224.0.0.252
• 10.240.0.1
• ff02::16
• 20.184.175.9 US · San Jose · AS8075 Microsoft Corporation
• 91.189.91.157
• 74.178.240.61 NL · Amsterdam · AS8075 Microsoft Corporation
• ff02::2
• ff02::1
• ff02::1:ff4c:1d1d
• ff02::1:ff12:3456
• ff02::1:2
• 255.255.255.255

Dropped files

• tmp_tmp.pPDor4vExZ - 3af452d01ff9e900c9fbe457a0ad034b3eb6472c9d745be406fe9cb2aa790c32

Embedded IP addresses

• 20.184.175.9
• 74.178.240.61

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report