MALICIOUS — 2f2e99f8639d16a79b1fd4561643e0d499a758a96e0b94fab2ded7a71c9680a9
MALICIOUS — 2f2e99f8639d16a79b1fd4561643e0d499a758a96e0b94fab2ded7a71c9680a9 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:
2f2e99f8639d16a79b1fd4561643e0d499a758a96e0b94fab2ded7a71c9680a9 - SHA-1:
f6e5962d441b2ab72a642b27b22bc317bd9243c9 - MD5:
e9ae462d965e87b31672f64df024d0a3 - imphash:
170193414cc4abf0ae27dc2a19d74879 - ssdeep:
768:qZL/0F24lercjO4sTZg5ZLvn2IuWZ0kqKNPWQHpW:OLsF2Kerc64sTiX2IV0DhuW - TLSH:
T13B2F396647309602F391A68B55403F4DB0B6A8EE3136C7518EE2B67E8BE045738B847C - Submitted as: 2f2e99f8639d16a79b1fd4561643e0d499a758a96e0b94fab2ded7a71c9680a9
- File type: pe · Size: 32776 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 27 external host(s) at runtime (34 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082, T1622, T1497.001, T1497 - 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)
14433 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
- msedge.api.cdp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Roaming\Mozilla\WINWORD.exe -
30308b91ad7a456e15fd387a48ca723faa3e4994979915a9cd2d34b810d6619c
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=1787823628&P2=404&P3=2&P4=j3nvxqfU9a8nxc21ykeNaYsfzBuzYpvGIuVBMQkQFPLw7yU9YNzE2%2fErwhXHrqiAkeWV0AP%2fgMktJA5IBEuxiw%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://203.26.79.13/filestreamingservice/files/c74a5353-3e6a-42b7-94d6-9b96c560c89a?P1=1787823663&P2=404&P3=2&P4=kNFO9xUlACqePW3AbHpFJRJN9Mn6wDyWmbBa8GpUBys4%2fZO7%2bUZ%2bKRpZCyrgkHMKSbVHb59WteT1KA5iWM6g3w%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://i.assmio.com/32C826A98721DFEF0000145AED4DE3DC.aspx
- http://i.assmio.com/332876AE8721E1DA00001BF9635EC2B7.shtm
- http://i.assmio.com/338E96A08721E3BA0000236B0A670E38.336Z
- http://i.assmio.com/33A706A78721E42B000024FC00332B15.html
- http://i.assmio.com/731BA6A886C1C1B600002AC6B1363F09.aspx
- http://i.assmio.com/733D16A886C1C22700002C5AB7095F2D.shtm
Embedded domains
- i.assmio.com
Embedded IP addresses
- 4.207.44.71
- 52.123.252.242
- 172.215.188.232
- 4.230.171.124
- 52.230.59.222
- 74.179.77.204
- 20.165.94.54
- 20.184.175.3
- 74.178.240.61
- 203.26.79.13
- 20.112.250.133
- 40.104.4.2
- 52.123.129.14
- 20.52.64.201
- 74.178.76.44
- 135.233.45.222
- 52.148.114.188
- 172.233.212.90
- 52.110.12.20
- 52.110.12.46
- 72.145.35.98
- 4.247.188.233
- 20.184.175.11
- 20.184.175.15
- 52.123.252.233
More SelfDel samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report