MALICIOUS — nikoseket.pdf
MALICIOUS — nikoseket.pdf is a pdf sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100). 2 of 50 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
0e93b9932d54165a06d7303b165e906fac7c98a07beffa73bd9a3a7062e27880 - SHA-1:
c97b789bf3a0801ec0686e293226f0f18c70dbbd - MD5:
70af8e59a13786b8e9ddfe8ea47c7c2a - ssdeep:
768:IgGzpDpeQTQxdK7HiWGby0lg8fpDxDECmsFtI+GQF1ROuiO7qTwo8x++b:FGFdeiqnlg83PF/I8FiuFr5b - TLSH:
T160326BF310A3DE8C7A879F03ADAA255E558ADB0C6133D7644088672DC5BCABD7F50A01 - Submitted as: nikoseket.pdf
- File type: pdf · Size: 46999 bytes
- Verdict: malicious (98/100)
Detections (2 of 50 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 98/100 is the fusion of 9 weighted signals:
- Dropped a malicious payload (Lazarus): root_.cache_dconf_user - dynamic signal, weight 0.80, confidence 0.90
- Embedded link rated malicious by URL analysis: https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/jinitorip-bolag.pdf - network signal, weight 0.70, confidence 0.80
- Emsisoft (Emergency Kit) flagged PDF.Spam.Heur.1 (rule
PDF.Spam.Heur.1) - engine signal, weight 0.55, confidence 0.85 - Contacted 19 external host(s) at runtime (3 HTTP) - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://ggtraff.ru/wb?keyword=alette%20or%20rook, https://uploads.strikinglycdn.com/files/d2ce6bc6-4db9-49b2-b526-ab22fe56c059/sijitageruwa.pdf, https://uploads.strikinglycdn.com/files/5db4a360-e09f-4ee6-b5d2-a5603da85070/rexiso.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 - Extracted generic config (20 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
Dynamic analysis (windows)
9714 behavior events · 1 ATT&CK techniques · 4 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- searchapp.bundleassets.example
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- desktop-hsgcbep
- 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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
- 23.40.52.85
- 23.11.37.157
- 20.190.167.20
- 52.110.12.47 AU · Sydney · AS8075 Microsoft Corporation
Dropped files
- /opt/CAPEv2/storage/analyses/25413/files/c4402cbeffc36adf82f6e74958393d1a526f13adaa819afba623aab35429bf4b -
c4402cbeffc36adf82f6e74958393d1a526f13adaa819afba623aab35429bf4b - /opt/CAPEv2/storage/analyses/25413/files/53fd6980cfa9018c4bef8e1830d87f0359151938454cd8d46757df59e301c81a -
53fd6980cfa9018c4bef8e1830d87f0359151938454cd8d46757df59e301c81a - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - tmp_tmp.B1r325zaQQ -
d5de2de5b5d6a41520deeb51135ac38c865243ddb0a2764f933a6892455e2a16
Embedded URLs
- https://ggtraff.ru/wb?keyword=alette%20or%20rook
- https://uploads.strikinglycdn.com/files/d2ce6bc6-4db9-49b2-b526-ab22fe56c059/sijitageruwa.pdf
- https://uploads.strikinglycdn.com/files/5db4a360-e09f-4ee6-b5d2-a5603da85070/rexiso.pdf
- https://uploads.strikinglycdn.com/files/2816bdc8-a81a-4418-8806-dfbdf20d6757/tadezakajubuvuxalax.pdf
- https://uploads.strikinglycdn.com/files/9198b47f-3efb-49eb-a830-388b3566cc94/bonef.pdf
- https://gimejexoxixaza.weebly.com/uploads/1/3/1/8/131872185/jinitorip-bolag.pdf
- https://zoxuzuxebexot.weebly.com/uploads/1/3/0/9/130969059/3532345.pdf
- https://kelobutino.weebly.com/uploads/1/3/0/9/130969458/997b4808957d55.pdf
- https://fadusoga.weebly.com/uploads/1/3/0/7/130739873/8543923.pdf
- https://cdn.shopify.com/s/files/1/0491/9151/8374/files/the_lake_lyrics_edgar_allan_poe.pdf
- https://cdn.shopify.com/s/files/1/0432/2253/2251/files/graco_magnum_lts_15_parts.pdf
- https://cdn.shopify.com/s/files/1/0435/3032/2071/files/timalajoziromobil.pdf
- https://cdn.shopify.com/s/files/1/0462/9148/4833/files/dd_sahuagin_names.pdf
- https://cdn.shopify.com/s/files/1/0481/9782/8760/files/25148276993.pdf
- https://cdn.shopify.com/s/files/1/0428/6342/7751/files/victoria_postcode_map.pdf
- https://site-1043043.mozfiles.com/files/1043043/bizuz.pdf
- https://site-1048190.mozfiles.com/files/1048190/45024043561.pdf
- https://site-1048574.mozfiles.com/files/1048574/18991436784.pdf
- https://site-1043256.mozfiles.com/files/1043256/zefiluziwoziludizep.pdf
- https://fixabugodorev.weebly.com/uploads/1/3/1/8/131856934/4026316.pdf
- https://rozolabo.weebly.com/uploads/1/3/0/8/130814594/2867588.pdf
- https://xojerajap.weebly.com/uploads/1/3/1/3/131384359/zebapesuluboxaj.pdf
- https://wonigebegi.weebly.com/uploads/1/3/1/6/131606731/turexir.pdf
- https://bedizegoresupa.weebly.com/uploads/1/3/1/3/131379398/baputedev.pdf
- http://www.w3.org/1999/02/22-rdf-syntax-ns#
Embedded domains
- ggtraff.ru
- uploads.strikinglycdn.com
- gimejexoxixaza.weebly.com
- zoxuzuxebexot.weebly.com
- kelobutino.weebly.com
- fadusoga.weebly.com
- cdn.shopify.com
- site-1043043.mozfiles.com
- site-1048190.mozfiles.com
- site-1048574.mozfiles.com
- site-1043256.mozfiles.com
- fixabugodorev.weebly.com
- rozolabo.weebly.com
- xojerajap.weebly.com
- wonigebegi.weebly.com
- bedizegoresupa.weebly.com
- www.w3.org
- purl.org
- ns.adobe.com
Embedded IP addresses
- 51.116.246.104
- 20.165.94.63
- 52.110.12.47
- 74.178.240.61
- 52.123.129.14
- 162.159.36.2
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report