MALICIOUS — slave.js
MALICIOUS — slave.js is a script sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (70/100). 0 of 53 detection engines flagged it.
Identification
- SHA-256:
40256e3a62a0e09450269f61d11a81ffc5f61d3089233a8d0e0aee36ff4dc5d5 - SHA-1:
a198c8cc84ff2fcff33b8a67c67250d68325fbc1 - MD5:
f0b5ae96530da6e773692573cda7d964 - ssdeep:
1536:+JeOm7X0+qCxZ2v3HDad+auby9Kjy4JH3iwOLgkoLVBI22BLAPl8RO:+JeOstZeHG2OHgk2BI22BLASRO - TLSH:
T1CB43B5F3344C5BCC8C06C56F2D897A9B3B56ADB6F4A58198C279EB152EE1C903C6C409 - Submitted as: slave.js
- File type: script · Size: 224340 bytes
- Verdict: malicious (70/100)
Detections (0 of 53 engines)
No engine flagged this sample.
Why this verdict
The malicious score of 70/100 is the fusion of 5 weighted signals:
- Obfuscated javascript script: download, dynamic-exec, defense-evasion (rule
script-deobfuscation) - static signal, weight 0.55, confidence 0.75 - Contacted 31 external host(s) and 27 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Embedded network infrastructure: https://www.baifubao.com/content/mywallet/h5/sdk_page/sdk_quan_manager.html, https://po.baidu.com/act/tpl/index.html?t=smartapppage&, https://b.bdstatic.com/searchbox/icms/searchbox/img/LOGO300x300.jpg - static signal, weight 0.35, confidence 0.60
- Extracted generic config (4 C2) (generic/advisory) - engine signal, weight 0.15, confidence 0.30
- Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
288 behavior events · 0 ATT&CK techniques · 0 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Embedded URLs
- https://www.baifubao.com/content/mywallet/h5/sdk_page/sdk_quan_manager.html
- https://po.baidu.com/act/tpl/index.html?t=smartapppage&
- https://b.bdstatic.com/searchbox/icms/searchbox/img/LOGO300x300.jpg
- https://vop.baidu.com/v2
- 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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787944269&P2=404&P3=2&P4=YzYCVd895nmFBJ4rm3M8J2q8NVJL3BwsDWQaQR9fAc1YhCFDQu2Rn3jt2VIyCTyl%2f6jC3xbmxMlpxXoe%2bYL2WA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787944307&P2=404&P3=2&P4=YkUNM2KJ2x5d5vpFntwmGg7w1EkdzQVXBvxIBXpP8kTbm9SKCDOJgVud7pRPfgDr%2fzzjRZcP2pd0R6ab0rrPVQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787340945&P2=404&P3=2&P4=C3vJhNVqcAxK%2be8bEUiZfhBFlArvuOHsP0lkyx1%2bvrXby4%2bgEaKPYckE7EAECYBsHQ9ZaG5KsND3vGiHH6Bf2Q%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787340561&P2=404&P3=2&P4=O4GYjgKMgKNpUEfTJ23MrvHJgWH982hikuDFQBBECGsbHRg99jj8EURos%2fCn2UjEv%2fB4io2t5EQYrbuW4rLNbA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- e.name
- t.name
- i.name
- o.name
- n.name
- a.name
- t.net
- www.baifubao.com
- po.baidu.com
- b.bdstatic.com
- vop.baidu.com
- this.name
- constructor.name
- i.store
- c.store
- d.name
- h.store
- b.store
- w.store
- k.name
- e.store
Embedded IP addresses
- 20.165.94.46
- 52.168.117.169
- 52.123.252.236
- 4.144.132.223
- 4.230.171.124
- 57.154.63.210
- 20.165.94.63
- 20.165.94.54
- 74.179.77.204
- 51.132.193.104
- 92.223.78.30
- 52.123.129.14
- 20.231.239.246
- 52.123.128.14
- 104.46.162.230
- 172.178.240.162
- 52.123.252.245
- 203.26.79.13
- 74.178.232.29
- 48.192.143.121
- 52.148.114.188
- 4.247.188.224
- 20.42.65.93
- 51.116.253.169
- 72.154.7.111
Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report