MALICIOUS — a0da18c7940d3c9ce5c21ec0269bba94b63d682ee615988567538993d6da3732
MALICIOUS — a0da18c7940d3c9ce5c21ec0269bba94b63d682ee615988567538993d6da3732 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:
a0da18c7940d3c9ce5c21ec0269bba94b63d682ee615988567538993d6da3732 - SHA-1:
0afc1b85c131b4f5ab6c49134e058e5307a561f9 - MD5:
a13caa235724a5769e40e58344771c87 - ssdeep:
1536:nXB5SOqcuTUdehXyvl0f4CZpUcab2GFVbgPuDF7exsylBviKsUu0o8d6u:Kc6EehCfCZpUHKGXbBKsiiQoG - TLSH:
T1F93BF0280BEF2D46EB61987D36C59D4C1EDCA250F45C0992C62C4198F6E35AFD07612F - Submitted as: a0da18c7940d3c9ce5c21ec0269bba94b63d682ee615988567538993d6da3732
- File type: office-ooxml · Size: 102502 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-Downloader.MSOffice.SLoad.gen
MITRE ATT&CK
Why this verdict
The malicious score of 97/100 is the fusion of 7 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 16 external host(s) at runtime (6 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
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
7442 behavior events · 0 ATT&CK techniques · 37 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
- update-mar.libreoffice.org
- yr.c.lencr.org
- yr1.c.lencr.org
- 250.255.255.239.in-addr.arpa
- ntp.ubuntu.com
- 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:\Program Files\LibreOffice\program\version.ini -
23ad6b8450db7429d9d4d1067f6d520ac5fdfded0f87b3d5c5d81e2772dd22d3 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\config\autotbl.fmt -
713229151490c66f043cb4865147c97458b4f33e4eb5f2bb4133c58cbe77041e - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\autotext\mytexts.bau -
47fa4a71d913585045d3fd7492fac6b94b69127aa19d5ad7d7b3c25d64ba9678 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\bundled\registry\com.sun.star.comp.deployment.configuration.PackageRegistryBackend\lu82841qpa.tmp\dictionaries.xcu -
d14bf4b95277fff037f64f77bea268355a412530a8e66cc6371f552cf4f4e7e4 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\gallery\sg30.thm -
f1f24dff4f58a716033bcf96ad175d3436bff0e0a233ab09f6215973ed843fed - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\bundled\registry\com.sun.star.comp.deployment.configuration.PackageRegistryBackend\configmgr.ini -
faf3849b931f134bbe8795a8cf7a13c689b17f4d5864a26652ad09d6c7125d74 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\basic\Standard\Module1.xba -
b434faf21386064e2e81af758f307ae8bea72c0cb6c8510d55b1bc1bb38f8612 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\buildid -
309397d13bd251edc2329238d5391d5113073b5550a8a795990e4f8f5f3e58e7 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\basic\Standard\script.xlb -
80cb10b100053f6e0b26bb009a2b8ccbdedb761901680500a4736f7afbf1f959 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\bundled\registry\com.sun.star.comp.deployment.bundle.PackageRegistryBackend\backenddb.xml -
8ebc51984818e5b3493e3c6b297832e96e300198efe1d9618fc844e76af4ff91 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\bundled\registry\com.sun.star.comp.deployment.component.PackageRegistryBackend\unorc -
6f8017cecbbe0c41573257586eab3f33df9584f3b435f318bdc5c0b1e67d128c - C:\Program Files\LibreOffice\share\uno_packages\cache\stamp.sys -
6b86b273ff34fce19d6b804eff5a3f5747ada4eaa22f1d49c01e52ddb7875b4b - C:\Users\analyst\AppData\Roaming\LibreOffice\4\updates\updating.log -
3967ba14df6caa620100d813470c76ddb5f105e618ee41faa98f1b95847a2f9d - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\bundled\registry\com.sun.star.comp.deployment.configuration.PackageRegistryBackend\lu82841qp8.tmp\OptionsDialog.xcu -
bc7be9e5070700c31ae4ec9acda9d87dfb285d0635947572d2f82874de7d3f07 - C:\Users\analyst\AppData\Roaming\LibreOffice\4\user\extensions\bundled\registry\com.sun.star.comp.deployment.help.PackageRegistryBackend\backenddb.xml -
d9f970b578b668460cbc2c58fb7e53e81189fc65b1ca553282627ac337aa9a97
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=1787867459&P2=404&P3=2&P4=TJlVTi567r9kTRXmKC31wBe%2bL6ZQNl5WBynL85qDpo73oVH%2bSuEBK%2bI07nLAaiz5BbBCGrxz5W3DZHV0A4lX9A%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://yr.c.lencr.org/
- http://yr1.c.lencr.org/118.crl
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787867495&P2=404&P3=2&P4=Idtfq0ngsPwilFzP8vfIqYqdOwgJrGBs38Rqm8Grej2JboPCKRqp2oYerb75GgLYNLIfn86jx0MCecpmmt2q0Q%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- update-mar.libreoffice.org
- yr.c.lencr.org
- yr1.c.lencr.org
Embedded IP addresses
- 52.123.252.213
- 52.110.12.44
- 4.230.171.124
- 52.230.59.222
- 48.211.4.16
- 74.178.76.128
- 20.76.201.171
- 52.123.129.14
- 40.103.64.242
- 74.179.71.159
- 72.153.5.138
- 203.26.79.13
- 57.154.63.210
- 89.238.68.201
- 104.18.20.213
- 4.150.223.111
More Docusign112101 samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report