MALICIOUS — dbd6679dd39a73b2ec3a395df9ac326a1deac08532775440d10da1f41d7e2f66
MALICIOUS — dbd6679dd39a73b2ec3a395df9ac326a1deac08532775440d10da1f41d7e2f66 is a office-ooxml sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Docusign112101 family. 5 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
dbd6679dd39a73b2ec3a395df9ac326a1deac08532775440d10da1f41d7e2f66 - SHA-1:
ecb10498c454ea325e0711c06e751822b1f5ea25 - MD5:
76006cd4a3b0bfa6541d86f87a5a8149 - ssdeep:
1536:jXB5SOqcuTUdehXyvl0f4CZpUcab2GFVbgPuDF7exsylBviKsUu0o8d6u:Oc6EehCfCZpUHKGXbBKsiiQoG - TLSH:
T1D03BF0280BEF2D46EB61987D36C59D4C1EDCA250F45C0992C62C4198F6E35AFD07612F - Submitted as: dbd6679dd39a73b2ec3a395df9ac326a1deac08532775440d10da1f41d7e2f66
- File type: office-ooxml · Size: 102502 bytes
- Verdict: malicious (99/100) · Family: Docusign112101
Detections (5 of 55 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-Downloader.MSOffice.SLoad.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 9 weighted signals:
- ClamAV (daily) flagged Xls.Downloader.Docusign112101-9908076-0 (rule
Xls.Downloader.Docusign112101-9908076-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged TrojanDownloader:O97M/Qakbot (rule
TrojanDownloader:O97M/Qakbot) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan-Downloader.MSOffice.SLoad.gen (rule
HEUR:Trojan-Downloader.MSOffice.SLoad.gen) - engine signal, weight 0.55, confidence 0.85 - 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 - MalwareAnalyser heuristics (entropy/packer) flagged high-entropy-blob (rule
high-entropy-blob) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: high-entropy-blob - static signal, weight 0.25, confidence 0.55
- Contacted 17 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Dynamic analysis (windows)
1264 behavior events · 0 ATT&CK techniques · 21 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- _dosvc._tcp.local
- desktop-hsgcbep._dosvc._tcp.local
- ntp.ubuntu.com
- 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/ea98f53a-04cb-4f17-b9d9-db88a4e098c7/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/ea98f53a-04cb-4f17-b9d9-db88a4e098c7?P1=1785377842&P2=404&P3=2&P4=l1E6ID%2bdP67CJpKOjU%2fX%2fGF9WXhFVyGpnE3i5Cg1PBeyqvAXwFOIHh5%2fQdq0yf4r1ZEEidf68dZXH8WxKtak%2fA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- 23.40.52.85
- 23.11.37.157
- 34.104.35.123 US · Mountain View · AS396982 Google LLC
- 20.42.65.90 US · Flint Hill · AS8075 Microsoft Corporation
- 52.123.252.248 AU · Sydney · AS8075 Microsoft Corporation
- 23.33.238.208
- 52.110.12.28 AU · Sydney · AS8075 Microsoft Corporation
- 20.190.142.166
Dropped files
- root_.cache_dconf_user -
96a296d224f285c67bee93c30f8a309157f0daa35dc5b87e410b78630a09cfc7 - root_.cache_mesa_shader_cache_index -
6d0552c4e71fe85e6cdc7e7745882ea91b382fbc56448f2e9e1c2d77dcf67d81 - root_.config_libreoffice_4_.lock -
0f989196c84c58c6bf449cb1455b26ce1cc7caf76e5cbad3510773211e78581b - 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/ea98f53a-04cb-4f17-b9d9-db88a4e098c7/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/ea98f53a-04cb-4f17-b9d9-db88a4e098c7?P1=1785377842&P2=404&P3=2&P4=l1E6ID%2bdP67CJpKOjU%2fX%2fGF9WXhFVyGpnE3i5Cg1PBeyqvAXwFOIHh5%2fQdq0yf4r1ZEEidf68dZXH8WxKtak%2fA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 4.150.223.105
- 74.178.232.29
- 4.247.188.233
- 40.84.85.40
- 20.42.179.192
- 172.172.255.217
- 34.104.35.123
- 20.42.65.90
- 52.123.252.248
- 52.110.12.28
- 4.230.171.124
- 172.215.188.225
- 52.230.60.54
- 13.89.179.12
- 74.178.76.128
- 13.69.116.104
- 203.26.79.13
More Docusign112101 samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report