MALICIOUS — 4690308_zadaniya__v6__egye_.pdf

MALICIOUS — 4690308_zadaniya__v6__egye_.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (82/100). 2 of 53 detection engines flagged it, exhibiting 3 ATT&CK techniques.

Identification

• SHA-256: e832aef94ed52d6b13bdf90d42c31b65cea0035c978faf4197f465cfa1c0ec47
• SHA-1: d0228f91c8831b56d643b9cf766e9e0fff710273
• MD5: 62298bdfcf20d10f1ac0bba377e2289a
• ssdeep: 6144:S9V5cVLSgDv+6sHLS1k0NNVclRiEI/HmnTAKqRcD+CPVOVoS3OrEju5j0a/V:xLCWKvlRsfu0K4cVPOogOrrWg
• TLSH: T1E34912F2BB004DADC7CD2E117F2A507C3E4A451601F82B3A68536AFA727657B174E121
• Submitted as: 4690308_zadaniya__v6__egye_.pdf
• File type: pdf · Size: 401139 bytes
• Verdict: malicious (82/100)

Detections (2 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.13

MITRE ATT&CK

• T1112
• T1105
• T1566.002

Why this verdict

The malicious score of 82/100 is the fusion of 8 weighted signals:

• Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.13 (rule PDF.Spam.Heur.13) - engine signal, weight 0.55, confidence 0.85
• Embedded link rated suspicious by URL analysis: http://img0.liveinternet.ru/images/attach/c/6//4690/4690257_skachat__programmu__dlya_.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: http://botcraftman.ru/?lip&keyword=%D0%B7%D0%B0%D0%B4%D0%B0%D0%BD%D0%B8%D1%8F+%D0%B26+%D0%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D1%81+%D1%80%D0%B5%D1%88%D0%B5%D0%BD%D0%B8%D1%8F%D0%BC%D0%B8+2015+%D0%B3%D0%BE%D0%B4&charset=utf-8, http://img0.liveinternet.ru/images/attach/c/6//4690/4690257_skachat__programmu__dlya_.pdf, http://img0.liveinternet.ru/images/attach/c/6//4690/4690241_skachat__albom__zippo_.pdf - static signal, weight 0.35, confidence 0.60
• Document active content: uri-action - static signal, weight 0.30, confidence 0.60
• Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
• Observed at runtime: Modify Registry (T1112) (rule Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
• Contacted 13 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
• Extracted generic config (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9706 behavior events · 1 ATT&CK techniques · 3 dropped files.

Runtime network

• www.msftconnecttest.com
• rb.symcd.com
• rb.symcb.com
• inference.location.live.net
• to-do.office.com
• staging.to-do.officeppe.com
• teams.cloud.microsoft
• outlook.office.com
• desktop-hsgcbep
• 250.255.255.239.in-addr.arpa
• ntp.ubuntu.com
• 79.243.254.169.in-addr.arpa
• 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
• 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
• 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
• 252.0.0.224.in-addr.arpa
• 255.255.254.169.in-addr.arpa
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Dropped files

• C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt - 261d8a85ba7c9917c41b79e5e194b7cae6c81cceb7e577d18551908fe826245a
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\5f4de1449734005eeedf084af53bcade.png - 053ec7e7ec98899c13257a73c9f1634d8ce55a9618a357ecbdb0fee37f42e413
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• http://botcraftman.ru/?lip&keyword=%D0%B7%D0%B0%D0%B4%D0%B0%D0%BD%D0%B8%D1%8F+%D0%B26+%D0%B5%D0%B3%D1%8D+%D0%BF%D0%BE+%D0%BC%D0%B0%D1%82%D0%B5%D0%BC%D0%B0%D1%82%D0%B8%D0%BA%D0%B5+%D1%81+%D1%80%D0%B5%D1%88%D0%B5%D0%BD%D0%B8%D1%8F%D0%BC%D0%B8+2015+%D0%B3%D0%BE%D0%B4&charset=utf-8
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690257_skachat__programmu__dlya_.pdf
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690241_skachat__albom__zippo_.pdf
• http://img0.liveinternet.ru/images/attach/c/6//4690/4690206_gdz__movnin__osnovuy_.pdf
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl

Embedded domains

• botcraftman.ru
• img0.liveinternet.ru

Embedded IP addresses

• 52.182.143.212
• 52.123.252.224
• 4.230.171.124
• 20.247.184.197
• 52.168.117.174
• 57.155.101.212
• 74.178.76.128
• 20.236.44.162
• 52.123.252.195
• 135.233.45.223
• 52.123.128.14
• 72.154.7.17
• 51.105.71.137

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report