MALICIOUS — f28574ecccd99820115bb7985c800b14043a6bcf70f7fc019213ba4ed8d7c142
MALICIOUS — f28574ecccd99820115bb7985c800b14043a6bcf70f7fc019213ba4ed8d7c142 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the SelfDel family. 4 of 55 detection engines flagged it, exhibiting 7 ATT&CK techniques.
Identification
- SHA-256:
f28574ecccd99820115bb7985c800b14043a6bcf70f7fc019213ba4ed8d7c142 - SHA-1:
0566de46ab186aa61f05ac471e58946af2bc6530 - MD5:
71cc9b863a98473aa14788dc9b821a49 - imphash:
170193414cc4abf0ae27dc2a19d74879 - ssdeep:
768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpk:OLsF2Kerc64sTiX2IV0Dhuk - TLSH:
T14E30396647309602F391A68B55403F4DB0B6A8EE3136C7518EE2B67E8BE045738B847C - Submitted as: f28574ecccd99820115bb7985c800b14043a6bcf70f7fc019213ba4ed8d7c142
- File type: pe · Size: 36868 bytes
- Verdict: malicious (100/100) · Family: SelfDel
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 100/100 is the fusion of 11 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 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - 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 23 external host(s) at runtime (32 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)
14680 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
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Roaming\Mozilla\WINWORD.exe -
778d1088c58355579920d459f3c0f5cac046fb25f338dab291cd3f5b561b57c2
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=1787842859&P2=404&P3=2&P4=Z03lB2%2fl7obV4QV07gZRDid2o5Ms%2f3mCV86AS9Wqi4VrvS9Uv6y3wBBeTl7LHLrQdiIwIgA%2fKZvYTiYeTnmUKw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://i.assmio.com/27DDB6A9877690CC00001427C126047B.aspx
- http://i.assmio.com/284E36AA877692CE00001BC6752EF09F.aspx
- http://i.assmio.com/28AB56AC877694AE000023380C3638DF.html
- http://i.assmio.com/28BCC6AA8776951F000024DA2C059283.html
- http://203.26.79.13/filestreamingservice//files/c74a5353-3e6a-42b7-94d6-9b96c560c89a/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://i.assmio.com/682096A08710726F00002A9CB30566F2.shtm
- http://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787842978&P2=404&P3=2&P4=nU0uDD9o9snyxwwWcf9n%2bWbntYx4UUKSeZMt90ErrQz9P1lFaVEu%2fHuY1QqhXgxn3MJp1N%2fw%2fHHNmqB%2fygRMYQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://i.assmio.com/6831D6AB871072CC00002C38E25CC328.528U
Embedded domains
- i.assmio.com
Embedded IP addresses
- 52.178.17.235
- 48.211.4.16
- 4.144.132.114
- 4.230.171.124
- 74.179.77.204
- 135.233.95.135
- 4.150.223.110
- 92.223.78.30
- 20.112.250.133
- 52.123.129.14
- 52.123.128.14
- 135.234.160.246
- 20.184.175.17
- 20.42.72.131
- 203.26.79.13
- 52.148.114.188
- 172.237.146.49
- 52.123.252.239
- 135.233.95.80
- 72.154.7.100
- 74.178.232.29
- 52.110.12.19
- 52.110.12.11
More SelfDel samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report