MALICIOUS — 40c46bcab9acc0d6d235491c01a66d4c6f35d884c19c6f410901af6d1e33513b
MALICIOUS — 40c46bcab9acc0d6d235491c01a66d4c6f35d884c19c6f410901af6d1e33513b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Regin family. 6 of 51 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
40c46bcab9acc0d6d235491c01a66d4c6f35d884c19c6f410901af6d1e33513b - SHA-1:
732298fa025ed48179a3a2555b45be96f7079712 - MD5:
4b6b86c7fec1c574706cecedf44abded - imphash:
87b3255f800c54f1af63c438fc053143 - ssdeep:
384:IBLiDpDzrw7Pkl+QWHNBCV9NoGASeDP/YWkxgZWB:2+Dpn+HN84Se3O - TLSH:
T186284AC5D74D931AE7928BB434C24C4F207AE09BF6F92D9D19A1472E39D110BF867228 - Submitted as: 40c46bcab9acc0d6d235491c01a66d4c6f35d884c19c6f410901af6d1e33513b
- File type: pe · Size: 16896 bytes
- Verdict: malicious (100/100) · Family: Regin
Detections (6 of 51 engines)
- MalwareAnalyser heuristics (entropy/packer): Microsoft Linker
- ClamAV (daily): {MD5}bin.trojan.regin.9239.UNOFFICIAL
- Cyble Vision: Cyble Vision: Regin
- Detect It Easy (packer/type): DIE:Microsoft Linker
- Microsoft Defender: Trojan:Win32/Skeeyah
- Emsisoft (Emergency Kit): Backdoor.Regin.C
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 8 weighted signals:
- ClamAV (daily) flagged {MD5}bin.trojan.regin.9239.UNOFFICIAL (rule
{MD5}bin.trojan.regin.9239.UNOFFICIAL) - engine signal, weight 0.90, confidence 0.95 - Cyble Vision flagged Cyble Vision: Regin (rule
Cyble Vision: Regin) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Skeeyah (rule
Trojan:Win32/Skeeyah) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Backdoor.Regin.C (rule
Backdoor.Regin.C) - engine signal, weight 0.55, confidence 0.85 - Contacted 24 external host(s) at runtime (4 HTTP) - network signal, weight 0.40, confidence 0.80
- Detect It Easy (packer/type) flagged DIE:Microsoft Linker (rule
DIE:Microsoft Linker) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: Microsoft Linker - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
55 behavior events · 1 ATT&CK techniques · 0 dropped files.
Runtime network
- searchapp.bundleassets.example
- www.msftconnecttest.com
- www.bing.com
- config.edge.skype.com
- aefd.nelreports.net
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- login.live.com
- desktop-hsgcbep
- dns.msftncsi.com
- g.live.com
- oneclient.sfx.ms
- watson.events.data.microsoft.com
- self.events.data.microsoft.com
- edge.microsoft.com
- settings-win.data.microsoft.com
- time.windows.com
- tsfe.trafficshaping.dsp.mp.microsoft.com
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://203.26.79.13/filestreamingservice/files/15f5d388-aefb-49dc-ba9c-bc58b098ac43?P1=1785380283&P2=404&P3=2&P4=D46CEEFtrsyl5RDbtzVgpPLHeJzhZq4jKfnJYrUEhx6Cq5fQH4ciWZ8vGpp9EUSexC8y6YRs8NXQK3b8KzWN0g%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- aefd.nelreports.net
- oneclient.sfx.ms
Embedded IP addresses
- 23.33.238.115
- 52.123.252.232
- 23.46.10.19
- 52.230.59.222
- 20.89.1.13
- 23.40.52.85
- 172.178.240.161
- 23.33.238.114
- 172.215.188.225
- 20.247.184.197
- 72.147.149.16
- 104.46.162.229
- 40.79.150.121
- 20.190.142.164
- 203.26.79.13
- 150.171.109.17
- 23.40.52.174
- 52.168.117.175
- 104.68.3.152
- 72.153.5.97
- 52.148.114.188
- 150.171.28.11
- 52.110.12.4
- 52.110.12.16
More Regin samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report