MALICIOUS — kogogamixol.pdf
MALICIOUS — kogogamixol.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:
966668f1b446b7d91835aab7e35c6565ae740960e1131de4bac6e4ce55a7af4b - SHA-1:
97d3f2ec22b86c14a676ec4ba6c5a74cf4b3d530 - MD5:
27ac6258b24a5a5f9625253998fbdb45 - ssdeep:
768:RgGzpDfp8Sp0uX2XZ0ATh1AVLVIrCDV+LpuKJiWWlkE9Y/xO1OeEZiQ:iGFzp8u0uX22evAVVEJiWWlkEG/+OeED - TLSH:
T15331AEF34163ED8C778E9F0369E71119219ACB8D61629BE014D83B6DC4BC6FE6E10960 - Submitted as: kogogamixol.pdf
- File type: pdf · Size: 43075 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): UDS:Trojan.PDF.SBadur.gen
MITRE ATT&CK
Why this verdict
The malicious score of 72/100 is the fusion of 6 weighted signals:
- Contacted 16 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/cb9a9300-dbd4-4541-aae5-7eccd411f97d/34274468142.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://cctraff.ru/strik?keyword=explore+learning+student+exploration, https://site-1036956.mozfiles.com/files/1036956/katexiduwumexokokilufe.pdf, https://site-1036779.mozfiles.com/files/1036779/58506829639.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 (14 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9630 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
- c.pki.goog
- 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
- desktop-hsgcbep
- 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\sumatrapdfcache\95241cefcfdcc37dab526c70ec38099d.png -
b91f7a237e2cd352923f3de04448958752e58f0e35c07e496fc4c82fb6917d9a - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
24955979f0b5c80123ac103ca1cd765e220a2a6a969256243e63acc1703fb992 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://cctraff.ru/strik?keyword=explore+learning+student+exploration
- https://site-1036956.mozfiles.com/files/1036956/katexiduwumexokokilufe.pdf
- https://site-1036779.mozfiles.com/files/1036779/58506829639.pdf
- https://site-1036633.mozfiles.com/files/1036633/3264261631.pdf
- https://site-1038358.mozfiles.com/files/1038358/57025168367.pdf
- https://site-1040095.mozfiles.com/files/1040095/fakuxasagexigoserinat.pdf
- https://site-1039173.mozfiles.com/files/1039173/61388860738.pdf
- https://site-1038783.mozfiles.com/files/1038783/bekovowebexewa.pdf
- https://site-1038898.mozfiles.com/files/1038898/kevuzimoraxaki.pdf
- https://uploads.strikinglycdn.com/files/cb9a9300-dbd4-4541-aae5-7eccd411f97d/34274468142.pdf
- https://uploads.strikinglycdn.com/files/2d6bf951-74ae-4c71-91b4-3e7f2c4b49cb/27626878442.pdf
- https://uploads.strikinglycdn.com/files/479d988a-1323-4655-bfcd-ef0552840d45/dukexuniviworome.pdf
- https://uploads.strikinglycdn.com/files/9da737a5-d51b-4f82-aafd-3a4c16bc3654/77790242141.pdf
- https://uploads.strikinglycdn.com/files/f124a3c3-eeb8-48bc-b813-c2871c0557dc/lumojupo.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=1787776889&P2=404&P3=2&P4=GPH0otcnh2sr%2bZTeduzvBkNNbVDHc0jsmxpUc%2fM4H4dxe%2f7ALi5T7zVAOvdkmXq%2f1flWznIHXTvoqjZVgo%2f80w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- cctraff.ru
- site-1036956.mozfiles.com
- site-1036779.mozfiles.com
- site-1036633.mozfiles.com
- site-1038358.mozfiles.com
- site-1040095.mozfiles.com
- site-1039173.mozfiles.com
- site-1038783.mozfiles.com
- site-1038898.mozfiles.com
- uploads.strikinglycdn.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 135.232.92.137
- 172.172.255.216
- 52.110.12.32
- 4.230.171.124
- 4.247.188.233
- 135.233.95.144
- 72.153.5.138
- 203.26.79.13
- 92.223.78.30
- 52.123.128.14
- 20.184.175.12
- 135.233.45.222
- 52.123.252.226
- 142.250.195.163
- 4.247.188.224
- 172.172.255.218
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report