MALICIOUS — f540d94f908fad7f9be267485e553f61ddff9f58d8ddf6ae2ba0913711e79f02
MALICIOUS — f540d94f908fad7f9be267485e553f61ddff9f58d8ddf6ae2ba0913711e79f02 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:
f540d94f908fad7f9be267485e553f61ddff9f58d8ddf6ae2ba0913711e79f02 - SHA-1:
40276f8180d48aaeaeaedd71b121c49d242b2489 - MD5:
b0cef4f31f0caf27175bdacbcb7a19e5 - imphash:
170193414cc4abf0ae27dc2a19d74879 - ssdeep:
768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpx:OLsF2Kerc64sTiX2IV0Dhux - TLSH:
T1722F396647309602F391A68B55403F4DB1B6A8EE3136C7518EE2B57E8BE045738B847C - Submitted as: f540d94f908fad7f9be267485e553f61ddff9f58d8ddf6ae2ba0913711e79f02
- File type: pe · Size: 32784 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 (31 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)
14049 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 -
8fd9382de6bb182f82ec1d1f757dad67706249dbaba2c78df66156d6a04d86e5
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=1787847060&P2=404&P3=2&P4=KXSwyN1LbPz%2fQA59etC4KTYQs19eELA%2b3hcAx4iF1Z8cOL7pCr78ZyoY%2f24hZ2IsL2PvP9azZdgvpawf66S1qw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://i.assmio.com/5D7086AF87879777000014381E5B08BA.898B
- http://i.assmio.com/5DDDD6AB8787996800001BC67551E14A.aspx
- http://i.assmio.com/5E3DF6AD87879B4F000023381C6A2CC8.html
- http://i.assmio.com/1D8D26A9872177C10000255C4A7CF017.436N
- http://i.assmio.com/1DC896A08721792200002A9CC3173C39.shtm
- http://i.assmio.com/1DEA46AB872179A100002CC800003EA9.html
Embedded domains
- i.assmio.com
Embedded IP addresses
- 20.42.65.93
- 52.123.252.247
- 4.247.188.224
- 4.230.171.124
- 52.230.60.54
- 74.179.77.204
- 74.178.240.51
- 135.232.92.137
- 52.123.129.14
- 20.76.201.171
- 40.99.133.210
- 52.123.128.14
- 52.123.252.218
- 135.234.160.246
- 203.26.79.13
- 52.148.114.188
- 172.233.212.224
- 135.234.160.245
- 135.233.95.80
- 72.145.35.98
- 92.223.78.30
- 52.110.12.55
- 52.110.12.53
More SelfDel samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report