MALICIOUS — wekesukexitekodupo.pdf

MALICIOUS — wekesukexitekodupo.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (72/100). 3 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 40be39afd5c128449bdf14a466f3cb2531575597eaf04625380c6382d82a76f4
• SHA-1: 086532d94c25543b24722e6e245ebbbb2b2164d6
• MD5: 90d87a9f05c62b1eaf07cb292f22a1e2
• ssdeep: 1536:WGFvLPDM6848qTGXYmYYUHRT+smUbtzpwH/3adl:vFvLQzVYmuT+IJ0/3y
• TLSH: T12C35BEF35157DD0C7DCBEB436EA9256A7086934DA033AAA054A9B72CC83837C7F10991
• Submitted as: wekesukexitekodupo.pdf
• File type: pdf · Size: 62912 bytes
• Verdict: malicious (72/100)

Detections (3 of 53 engines)

• MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
• Emsisoft (Emergency Kit): PDF.Spam.Heur.1
• Kaspersky (KVRT): HEUR:Trojan.Script.Generic

MITRE ATT&CK

• T1105
• T1566.002

Why this verdict

The malicious score of 72/100 is the fusion of 6 weighted signals:

• Contacted 20 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
• Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/45a0bef0-35ee-432e-8e94-0d7a9d07119c/fofuzobimu.pdf - network signal, weight 0.40, confidence 0.60
• Embedded network infrastructure: https://ggtraff.ru/strik?keyword=pms+to+cmyk+conversion+chart, http://files.gumbeerfest.co.uk/uploads/1/3/0/8/130813135/3e7d40d17a6fb.pdf, http://files.goodshepherdgratz.com/uploads/1/3/0/9/130969075/miratov-kekezoxagomaga-jebejuwovosive.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
• Extracted generic config (12 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30

Dynamic analysis (windows)

9664 behavior events · 0 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
• outlook.office365.com
• outlook.cloud.microsoft
• 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
• 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
• 252.0.0.224.in-addr.arpa
• desktop-hsgcbep
• 250.255.255.239.in-addr.arpa
• ntp.ubuntu.com
• 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 - 68d7a7ad4a3fd1668bf249e6f0910b57a71b8e93e662c562f1e59b8ca5a064f9
• C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\1cdc65aca2e794821e687128f4543d8d.png - be53c01e34c2e9417ed3486140746b4cdf15fb9f26ea83fb61cd7d177f0e40db
• root_.cache_dconf_user - 96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7

Embedded URLs

• https://ggtraff.ru/strik?keyword=pms+to+cmyk+conversion+chart
• http://files.gumbeerfest.co.uk/uploads/1/3/0/8/130813135/3e7d40d17a6fb.pdf
• http://files.goodshepherdgratz.com/uploads/1/3/0/9/130969075/miratov-kekezoxagomaga-jebejuwovosive.pdf
• http://mabuparam.thedanceacademymi.com/uploads/1/3/0/7/130776177/5104345.pdf
• http://files.g2smusic.com/uploads/1/3/1/3/131379249/c47dfaeff9a2.pdf
• https://uploads.strikinglycdn.com/files/45a0bef0-35ee-432e-8e94-0d7a9d07119c/fofuzobimu.pdf
• https://uploads.strikinglycdn.com/files/2e88d766-bc6b-4b2f-aad4-8db556521d7e/gitisoretegib.pdf
• https://uploads.strikinglycdn.com/files/c71a9b7c-e285-4411-90b9-86b62d4a83ec/53466316821.pdf
• https://uploads.strikinglycdn.com/files/e7f7fd09-8822-4a31-8008-08d4da1a28d7/jozokanaguloleje.pdf
• https://cdn.shopify.com/s/files/1/0431/9179/5875/files/galize.pdf
• https://cdn.shopify.com/s/files/1/0434/1612/5590/files/paintball_protect_the_president.pdf
• http://files.thehardys.org/uploads/1/3/0/8/130814014/linefurevulebusa.pdf
• http://toxidexeb.bayswatercitysaintsnetball.club/uploads/1/3/1/6/131606289/8250615ac9.pdf
• http://files.katiemachain.com/uploads/1/3/1/4/131455283/57a787ca629.pdf
• http://www.w3.org/1999/02/22-rdf-syntax-ns#
• http://purl.org/dc/elements/1.1/
• http://ns.adobe.com/pdf/1.3/
• http://ns.adobe.com/xap/1.0/
• http://ns.adobe.com/xap/1.0/mm/
• http://ns.adobe.com/xap/1.0/rights/
• http://www.msftconnecttest.com/connecttest.txt
• http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
• http://rb.symcb.com/rb.crl
• http://203.26.79.13/filestreamingservice//files/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
• http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787755638&P2=404&P3=2&P4=TEsc7w%2b1lobQyQK%2fM2RoOvklQYFt%2fBgXUGFwFwlxAGRfLkZKy9RlXred5y5Rihwo5LOWjrgQF10VKpzH2EFJfQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com

Embedded domains

• ggtraff.ru
• files.gumbeerfest.co.uk
• files.goodshepherdgratz.com
• mabuparam.thedanceacademymi.com
• files.g2smusic.com
• uploads.strikinglycdn.com
• cdn.shopify.com
• files.thehardys.org
• toxidexeb.bayswatercitysaintsnetball.club
• files.katiemachain.com
• www.w3.org
• purl.org
• ns.adobe.com

Embedded IP addresses

• 72.153.5.134
• 172.172.255.217
• 52.123.128.14
• 4.207.44.74
• 135.233.95.80
• 40.84.85.40
• 52.110.12.8
• 4.230.171.124
• 4.155.89.87
• 74.178.76.128
• 74.178.240.51
• 20.112.250.133
• 52.123.129.14
• 40.103.64.226
• 4.150.223.108
• 92.223.78.30
• 74.179.71.159
• 203.26.79.13
• 52.123.252.194
• 52.148.114.188

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report