SUSPICIOUS — 645f620b09f5e2b2ff22e54a8cf0ea83d6b523c9e9dc243f723e2adae1e5d191

SUSPICIOUS — 645f620b09f5e2b2ff22e54a8cf0ea83d6b523c9e9dc243f723e2adae1e5d191 is a script sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (62/100), attributed to the Cryxos family. 1 of 23 detection engines flagged it, exhibiting 1 ATT&CK technique.

Identification

• SHA-256: 645f620b09f5e2b2ff22e54a8cf0ea83d6b523c9e9dc243f723e2adae1e5d191
• SHA-1: 6294a3b4eb4bc4df33e75c4e0caa84c789f0196b
• MD5: 27ff50b1a46aef068e6fa2d3fd275d6d
• ssdeep: 96:m5Ev4FfbFSCGG/iSrXZlCytT81Fob+RVSLj:yEEfbFSCGciSrDCytT81F++RVSLj
• TLSH: T1491ACEBA9B317DFFAF8625C5690D2DAF060320C3B4006959DA44ADC59C23CA91F1CC9C
• Submitted as: 645f620b09f5e2b2ff22e54a8cf0ea83d6b523c9e9dc243f723e2adae1e5d191
• File type: script · Size: 4445 bytes
• Verdict: suspicious (62/100) · Family: Cryxos

Detections (1 of 23 engines)

• Emsisoft (Emergency Kit): JS:Trojan.Cryxos.6249

MITRE ATT&CK

• T1105

Why this verdict

The suspicious score of 62/100 is the fusion of 4 weighted signals:

• Emsisoft (Emergency Kit) flagged JS:Trojan.Cryxos.6249 (rule JS:Trojan.Cryxos.6249) - engine signal, weight 0.55, confidence 0.85
• Embedded network infrastructure: http://api.echoenabled.com/f/gstats - static signal, weight 0.35, confidence 0.60
• Contacted 7 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (1 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (linux)

1010 behavior events · 0 ATT&CK techniques · 1 dropped files.

Runtime network

• 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
• 250.255.255.239.in-addr.arpa
• ff02::1:3
• 224.0.0.252
• 10.240.0.1
• ff02::fb
• 224.0.0.251
• ff02::16
• 255.255.255.255
• 91.189.91.157
• ff02::1:ff12:3456
• ff02::1
• 239.255.255.250
• 224.0.0.22
• 185.125.190.57
• ff02::1:2

Dropped files

• tmp_tmp.m07HD76fB3 - c61007075de4f10c164d795de21416e0dbfea697fd4a57f9545203bcc1eef6aa

Embedded URLs

• http://api.echoenabled.com/f/gstats

Embedded domains

• api.echoenabled.com

Embedded IP addresses

• 4.150.223.114
• 74.179.77.204
• 20.42.179.204

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

Analyzed on MalwareAnalyzer by Cyble · Open interactive report