SUSPICIOUS — 4f912bb9636b3332577ddc7178e342fcb7a8e43b1563ce7153e3f1e039ca6cae
SUSPICIOUS — 4f912bb9636b3332577ddc7178e342fcb7a8e43b1563ce7153e3f1e039ca6cae is a office-ooxml sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (57/100). 2 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
4f912bb9636b3332577ddc7178e342fcb7a8e43b1563ce7153e3f1e039ca6cae - SHA-1:
1d781ed303fc0731c164800afed7439d0a6f7466 - MD5:
9498ce2a87a7856984eb9cffccf563f7 - ssdeep:
384:97+elHxM679CSzq4emkUExvOhIST2PnCBU1FYFDgEBDh:sOHK63emkbVOyF/pF6fDh - TLSH:
T13E2BBFD9C3BD0815E7C4FA16D035398D9DD808759F368AE196BB80C36D82607A93806F - Submitted as: 4f912bb9636b3332577ddc7178e342fcb7a8e43b1563ce7153e3f1e039ca6cae
- File type: office-ooxml · Size: 23062 bytes
- Verdict: suspicious (57/100)
Detections (2 of 54 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- Kaspersky (KVRT): HEUR:Trojan.MSOffice.Generic
MITRE ATT&CK
Why this verdict
The suspicious score of 57/100 is the fusion of 3 weighted signals:
- Contacted 16 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Document contains macros/active content: xlm-macro - static signal, weight 0.35, confidence 0.75
- Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
Dynamic analysis (windows)
1596 behavior events · 0 ATT&CK techniques · 22 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
- 255.255.254.169.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
- 251.0.0.224.in-addr.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
- 250.255.255.239.in-addr.arpa
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\buildid -
309397d13bd251edc2329238d5391d5113073b5550a8a795990e4f8f5f3e58e7 - root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - root_.cache_mesa_shader_cache_index -
6d0552c4e71fe85e6cdc7e7745882ea91b382fbc56448f2e9e1c2d77dcf67d81 - root_.config_libreoffice_4_.lock -
70cdb3a15409f237ba63da3abb52cff92d31b1ea21d92200480aa8518e72f339 - root_.config_libreoffice_4_user_GraphicsRenderTests.log -
ca66014b962c5f87639d09e17a2dc07c7d1657c2f71a392b1d9bb67cd3a511d9 - root_.config_libreoffice_4_user_autotext_mytexts.bau -
951c8adf2ef8d3edeadb03b0c4374a2d75cf5fed945eeff259d33aa2e77acf7f - root_.config_libreoffice_4_user_basic_Standard_Module1.xba -
b434faf21386064e2e81af758f307ae8bea72c0cb6c8510d55b1bc1bb38f8612 - root_.config_libreoffice_4_user_basic_Standard_dialog.xlb -
85c83411f1285a0d0d9b511a7ea7dd06d5ac9b97f90d286adaca084212e3fe80 - root_.config_libreoffice_4_user_basic_Standard_script.xlb -
80cb10b100053f6e0b26bb009a2b8ccbdedb761901680500a4736f7afbf1f959 - root_.config_libreoffice_4_user_basic_dialog.xlc -
5b72c4cc5130eccab44cbfb91270befaeaf8ee7ab97cf205ee2abb582fa4a9e5 - root_.config_libreoffice_4_user_config_autotbl.fmt -
713229151490c66f043cb4865147c97458b4f33e4eb5f2bb4133c58cbe77041e - root_.config_libreoffice_4_user_database_biblio.odb -
c3dd4e9008be33cdede3abf822e9b748a201704adf95aad92ab894dd98b3fe85 - root_.config_libreoffice_4_user_database_biblio_biblio.dbf -
aefc2bb614c2e307870405e0fd72f4a22cf794c396a73ce0551f18a478e80ed2 - root_.config_libreoffice_4_user_database_biblio_biblio.dbt -
3ab142231d8075fdd02c95a691ddce590e0f81450744cb87ca610fd06d75cac1 - root_.config_libreoffice_4_user_extensions_buildid -
4e80829cd1c13534fecb420763830c6a6fe6d9a8a463cefc817071e313bdc7bc
Embedded URLs
- 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=1787734608&P2=404&P3=2&P4=CtnbvP5GWV9zL88N3%2bKyU3Qxp0O7LGSsqClqp4pOWwiymg5PBYUqWi%2b1K%2bt5oHpqvY2KwZRJNn%2fmgjK%2buYgwrg%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
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787734657&P2=404&P3=2&P4=jg9Ky8AuuKvSfr9rpJftaaC9oviYxdEpmSxLOeYNCYzGeheG2FB0LkebZbKdh7Kvap4qJcRTYU8h59q7C86F5g%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.247.188.233
- 172.172.255.217
- 13.69.109.131
- 52.110.12.4
- 135.233.95.80
- 4.247.188.224
- 4.230.171.124
- 72.154.7.108
- 52.230.59.222
- 203.26.79.13
- 74.178.76.128
- 52.168.117.175
- 20.112.250.133
- 52.123.252.216
- 52.123.252.231
- 172.178.240.163
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report