MALICIOUS — 10a1bb71c4f105bc17da506b3119f56d19e7adecf6c8a4e61d9bd39ac6f5ab05
MALICIOUS — 10a1bb71c4f105bc17da506b3119f56d19e7adecf6c8a4e61d9bd39ac6f5ab05 is a office-ooxml sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (97/100), attributed to the Docusign112101 family. 5 of 54 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
10a1bb71c4f105bc17da506b3119f56d19e7adecf6c8a4e61d9bd39ac6f5ab05 - SHA-1:
ee6f30644e1eb56f5d7e47bc979c9146d5030ce3 - MD5:
171d5e1f459a66d12e9a3bcbc3c46a59 - ssdeep:
1536:6jXB5SOqcuTUdehXyvl0f4CZpUcab2GFVbgPuDF7exsylBviKsUOT+5gJ:6Oc6EehCfCZpUHKGXbBKsiiD - TLSH:
T1183BF0280BEF6E02EB71683D76C65D4C0ECCA690E46C1992D62C4088F6D35AFD17512F - Submitted as: 10a1bb71c4f105bc17da506b3119f56d19e7adecf6c8a4e61d9bd39ac6f5ab05
- File type: office-ooxml · Size: 103725 bytes
- Verdict: malicious (97/100) · Family: Docusign112101
Detections (5 of 54 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-blob
- ClamAV (daily): Xls.Downloader.Docusign112101-9908076-0
- oletools (Office/OLE maldoc): oletools:suspicious-macro
- Microsoft Defender: TrojanDownloader:O97M/Qakbot
- Kaspersky (KVRT): HEUR:Trojan.Script.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 6 weighted signals:
- ClamAV (daily) flagged Xls.Downloader.Docusign112101-9908076-0 (rule
Xls.Downloader.Docusign112101-9908076-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 22 external host(s) at runtime (2 HTTP) - network signal, weight 0.40, confidence 0.80
- Document contains macros/active content: xlm-macro - static signal, weight 0.35, confidence 0.75
- Obfuscated javascript script: defense-evasion (rule
script-deobfuscation) - static signal, weight 0.35, confidence 0.75 - oletools (Office/OLE maldoc) flagged oletools:suspicious-macro (rule
oletools:suspicious-macro) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
Dynamic analysis (windows)
1114 behavior events · 0 ATT&CK techniques · 21 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
- desktop-hsgcbep
- 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
- 252.0.0.224.in-addr.arpa
- 79.243.254.169.in-addr.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
- 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
- ntp.ubuntu.com
- http://www.msftconnecttest.com/connecttest.txt
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - root_.cache_mesa_shader_cache_index -
6d0552c4e71fe85e6cdc7e7745882ea91b382fbc56448f2e9e1c2d77dcf67d81 - root_.config_libreoffice_4_.lock -
31a2fd7b7cfc959955d7614c27cfd3438f35b9990ef6d78922ce25c0f0413ffc - 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 - root_.config_libreoffice_4_user_extensions_bundled_lastsynchronized -
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b
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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787915450&P2=404&P3=2&P4=Si0K57Wibz1%2bVkR04wpXRdynGkfEhVQaaOydU0YMk6jdNSp83QSdzCaCguPFOCthmgiaRZfGbh3Pm9c3NX7jPA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 172.172.255.218
- 85.210.193.152
- 4.150.223.100
- 52.110.12.18
- 74.178.232.29
- 52.110.12.44
- 4.230.171.124
- 172.215.188.225
- 72.154.7.114
- 203.26.79.13
- 20.247.185.124
- 135.233.95.135
- 74.178.240.61
- 20.112.250.133
- 20.184.175.10
- 52.123.128.14
- 40.99.133.210
- 135.234.160.245
- 52.123.252.230
- 4.150.223.104
- 57.155.104.224
- 52.148.114.188
More Docusign112101 samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report