MALICIOUS — 84197442007fedac54e316e73460bcccad898cbe1b6d0e6bdc2a92bf38d6fb39
MALICIOUS — 84197442007fedac54e316e73460bcccad898cbe1b6d0e6bdc2a92bf38d6fb39 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Juko family. 4 of 55 detection engines flagged it, exhibiting 7 ATT&CK techniques.
Identification
- SHA-256:
84197442007fedac54e316e73460bcccad898cbe1b6d0e6bdc2a92bf38d6fb39 - SHA-1:
8c4f9af0d2a366ebbd4abf23b8bac61dc4e60bde - MD5:
8ee9aff9bcaead069633226671a6be4e - imphash:
170193414cc4abf0ae27dc2a19d74879 - ssdeep:
768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpv:OLsF2Kerc64sTiX2IV0Dhuv - TLSH:
T12E2F396647309602F391A68B55403F4DB0B6A8EE3136C7519EE2B67E8BE045738B847C - Submitted as: 84197442007fedac54e316e73460bcccad898cbe1b6d0e6bdc2a92bf38d6fb39
- File type: pe · Size: 32776 bytes
- Verdict: malicious (99/100) · Family: Juko
Detections (4 of 55 engines)
- ClamAV (daily): Win.Malware.Juko-9753236-0
- Microsoft Defender: Trojan:Win32/SelfDel!pz
- Emsisoft (Emergency Kit): Trojan.Downloader.JUKO
- Kaspersky (KVRT): HEUR:Trojan.Win32.SelfDel.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Juko-9753236-0 (rule
Win.Malware.Juko-9753236-0) - engine signal, weight 0.90, confidence 0.95 - 3 behavioral detection(s): Registry Run Key Persistence [high] (rule
tl-run-key) - dynamic signal, weight 0.60, confidence 0.90 - Observed at runtime: Registry Run Key Persistence (T1547.001) (rule
Registry Run Key Persistence) - dynamic signal, weight 0.40, confidence 0.90 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 27 external host(s) at runtime (33 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497.001, T1497, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- communicate over HTTP (rule
communicate over HTTP) - capa signal, weight 0.30, confidence 0.60 - enumerate processes (rule
enumerate processes) - capa signal, weight 0.20, confidence 0.60 - Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
13979 behavior events · 3 ATT&CK techniques · 1 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
- i.assmio.com
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- settings-win.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
Dropped files
- C:\Users\analyst\AppData\Roaming\Mozilla\WINWORD.exe -
e647e62217dd50105dd2ebd14499eac704978e32b349cc322ecd0c5e6534693e
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=1787911251&P2=404&P3=2&P4=ZYFevGbCBpEhMa4i3DNWAelsw5bKr%2fwWxgjfPZJVJiPkIhBuR4ky6PyWE8coVZKh0kb2iJmCPsRpEiSj%2biBbEA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://i.assmio.com/1067A6A8888843FD000017FE8B1BA3E9.shtm
- 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=1787911326&P2=404&P3=2&P4=B8J52%2fqxxmFs9MTJ3Ol0eIpWK5mXXdpiu5ozH%2bAmhOJYpWahLCxl7qr5tCIVff%2bqSl5gvjt3RbzJ%2b%2f0fDvlCXA%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://i.assmio.com/10D506A7888845EE00001F7E3C28267F.html
- http://i.assmio.com/507C46AB8822244A0000265D8653A629.682Y
- http://i.assmio.com/507CA6A88822246C000026DCE37F5C6E.shtm
- http://i.assmio.com/50D966AD8822262A00002DC94C5CF80E.html
- http://i.assmio.com/50D9C6AA8822264C00002E4B8A70A7ED.088C
Embedded domains
- i.assmio.com
Embedded IP addresses
- 4.150.223.99
- 4.247.188.224
- 52.123.252.224
- 52.253.84.76
- 4.230.171.124
- 48.211.4.16
- 52.123.252.202
- 74.178.240.61
- 4.150.223.110
- 74.178.76.54
- 20.76.201.171
- 52.123.128.14
- 162.159.142.9
- 52.123.129.14
- 52.123.252.240
- 74.178.232.29
- 203.26.79.13
- 4.150.223.104
- 52.168.117.168
- 135.234.160.244
- 52.148.114.188
- 135.233.45.223
- 172.233.212.151
- 72.145.35.102
- 20.165.94.46
More Juko samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report