MALICIOUS — redekofazubonizibutole.pdf
MALICIOUS — redekofazubonizibutole.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (86/100). 2 of 53 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
047af614f5684d7ad158a0968c3e9a72851dcf7fbed7a9947106366e15da3123 - SHA-1:
f68c5c5db3093d0bc2eb01b448684d25761389a6 - MD5:
1e43eebedaa384c40bb507ab7367ca84 - ssdeep:
768:3gGzpD9f36i8qQkwm7/INpVhstUiM5y5jhB9BPEbpEU:QGFBf3CvhsiiM5yRf9BgpEU - TLSH:
T1A6318CF35067DD4CBA87EB07699E10499089C74CA172A6A099CC377CC8BC7BD6E54930 - Submitted as: redekofazubonizibutole.pdf
- File type: pdf · Size: 40149 bytes
- Verdict: malicious (86/100)
Detections (2 of 53 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Emsisoft (Emergency Kit): PDF.Spam.Heur.1
MITRE ATT&CK
Why this verdict
The malicious score of 86/100 is the fusion of 7 weighted signals:
- Memory forensics: 4 finding(s), e.g. RWX/private injected region in SumatraPDF.exe (pid 8296) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - Contacted 20 external host(s) at runtime (8 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded link rated suspicious by URL analysis: https://uploads.strikinglycdn.com/files/f71764fa-8caf-46e1-b3a6-4c8c0b2e655b/73880243667.pdf - network signal, weight 0.40, confidence 0.60
- Embedded network infrastructure: https://gettraff.ru/strik?keyword=harrison+gastroenterologia+y+hepatologia, https://site-1042658.mozfiles.com/files/1042658/38650506638.pdf, https://site-1037101.mozfiles.com/files/1037101/25285378097.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 (13 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9787 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
- 250.255.255.239.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
- desktop-hsgcbep
- 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
Dropped files
- C:\Users\analyst\AppData\Local\SumatraPDF\sumatrapdfcache\fb067821e699bb993fa69adb2ff0d453.png -
c5eb151894aab3d58c02a9c93d357060997716fd61b82a1dd70909945b2a449b - C:\Users\analyst\AppData\Local\SumatraPDF\SumatraPDF-settings.txt -
33ad6ce57d1f31de3f666a3015ec742a70a3464142ccdf3ab0082884f57f9a9f - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7
Embedded URLs
- https://gettraff.ru/strik?keyword=harrison+gastroenterologia+y+hepatologia
- https://site-1042658.mozfiles.com/files/1042658/38650506638.pdf
- https://site-1037101.mozfiles.com/files/1037101/25285378097.pdf
- https://site-1041765.mozfiles.com/files/1041765/xikeduxelibidizuf.pdf
- https://site-1037844.mozfiles.com/files/1037844/rowos.pdf
- https://uploads.strikinglycdn.com/files/f71764fa-8caf-46e1-b3a6-4c8c0b2e655b/73880243667.pdf
- https://uploads.strikinglycdn.com/files/8caefa42-ea64-4ed3-acfc-2b9fc19b8dc4/57236091903.pdf
- https://uploads.strikinglycdn.com/files/ee0e8a78-52d4-41cd-8f30-360abfa9f3ce/34827698648.pdf
- https://uploads.strikinglycdn.com/files/005d61e7-7b18-431a-bbdd-7bff6f776b3c/meveteposis.pdf
- https://site-1042204.mozfiles.com/files/1042204/40478172940.pdf
- https://site-1036818.mozfiles.com/files/1036818/parijarusawos.pdf
- https://site-1043793.mozfiles.com/files/1043793/5867766366.pdf
- https://site-1037071.mozfiles.com/files/1037071/samedejifapedekadesemewu.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=1787762111&P2=404&P3=2&P4=gtnz5R3qb5FlRRE%2fBxNcYBjLlBeAPtOUsCdJ4PV8WhY9ymSXN3QlV2Fyqkc8RVTMERST9OkM1MiSWRheWTIZuQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
Embedded domains
- gettraff.ru
- site-1042658.mozfiles.com
- site-1037101.mozfiles.com
- site-1041765.mozfiles.com
- site-1037844.mozfiles.com
- uploads.strikinglycdn.com
- site-1042204.mozfiles.com
- site-1036818.mozfiles.com
- site-1043793.mozfiles.com
- site-1037071.mozfiles.com
- qj.me
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 20.89.1.8
- 172.66.2.5
- 40.84.97.4
- 4.150.223.97
- 48.211.4.16
- 4.230.171.124
- 4.144.132.223
- 74.178.76.128
- 20.89.1.12
- 20.76.201.171
- 52.123.129.14
- 135.233.45.222
- 72.154.7.101
- 203.26.79.13
- 74.178.76.44
- 20.50.201.206
- 52.123.252.220
- 4.150.223.108
- 52.148.114.188
- 142.250.183.35
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report