MALICIOUS — 861c4e3fe06979efd0038be769e2c6d6aa8a7417bc6df06f044d6be0f89f5a46
MALICIOUS — 861c4e3fe06979efd0038be769e2c6d6aa8a7417bc6df06f044d6be0f89f5a46 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Urelas family. 8 of 55 detection engines flagged it.
Identification
- SHA-256:
861c4e3fe06979efd0038be769e2c6d6aa8a7417bc6df06f044d6be0f89f5a46 - SHA-1:
e6384f9b01a647464afc0b7c0b709d1e04e04912 - MD5:
bf706fd37cc6d24f5a8ef2b4168556bf - imphash:
09d0478591d4f788cb3e5ea416c25237 - ssdeep:
3072:/MDCkU0Pj25agjZhUwuxCkKg34um3ZW7zcyEB66tRNy9+ikEV9aUMjIh14t/K:UZxL2vaCk77zZEY69iT3aUMU2y - TLSH:
T1C14301ACD0F127C6CFD763215E24951D38E24DEDD1BE8C601586D864ABE092FD0E219B - Submitted as: 861c4e3fe06979efd0038be769e2c6d6aa8a7417bc6df06f044d6be0f89f5a46
- File type: pe · Size: 236149 bytes
- Verdict: malicious (98/100) · Family: Urelas
Detections (8 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- ClamAV (daily): Win.Trojan.Agent-1353930
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:Microsoft Linker
- Microsoft Defender: Trojan:Win32/Urelas!pz
- Emsisoft (Emergency Kit): Gen:Heur.Mint.SP.Urelas.1
- Trellix Stinger (McAfee): Obfuscated-FANO!hb
- Kaspersky (KVRT): Trojan.Win32.Wecod.all
Why this verdict
The malicious score of 98/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Agent-1353930 (rule
Win.Trojan.Agent-1353930) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 1 finding(s) attributed to the sample across 1 technique(s), e.g. RWX/private injected region in tsk_3c77dc3ec4 (pid 8376) (rule
windows.malfind.Malfind) - memory signal, weight 0.60, confidence 0.85 - YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.60, confidence 0.70 - Contacted 27 external host(s) and 27 HTTP request(s) at runtime - 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: high-entropy-sections:.text, Microsoft Linker - static signal, weight 0.25, confidence 0.55
- Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
15526 behavior events · 0 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
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
Dropped files
- 0c136f9c6d2919900cba4a1fd1368e28f9895ad932b31ba5cbc5cc0628fa1d5e -
0c136f9c6d2919900cba4a1fd1368e28f9895ad932b31ba5cbc5cc0628fa1d5e
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/9a8a705c-852d-4d18-b32a-ee1d872f4bd9/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9a8a705c-852d-4d18-b32a-ee1d872f4bd9?P1=1787946081&P2=404&P3=2&P4=R3QLy%2byw1tUhcmhb6%2flsFdnBMk1sMsynYwYFHYVf1ppKRTc9qo81QlnZOxXlJ0kuqz42Natyw7I%2b8xF6Y8mUmg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/51d86688-616b-47e3-abeb-3df16a1583c5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/51d86688-616b-47e3-abeb-3df16a1583c5?P1=1787946116&P2=404&P3=2&P4=SOsxvYsp%2bii0ikeqQ5APim9jwmw9UZmRlbpsm56NpvnKIm4ri46tGn5VputEXKgq7pWnUvxp%2fZXO6waFkgXNOw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/9c0462dd-f6cd-4ff7-a7ac-708d0e9dadc5?P1=1787342823&P2=404&P3=2&P4=Qj%2btuO9IYiGYsmHxMNgC64RZA6fMdzlXny4NZD0yPo8R5deOem0LoE%2fPDw77VUcWUXdnVpumwSlKzbEEBeQDtA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice//files/b56480f9-8215-4de7-ba7e-8e690088d21d/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/b56480f9-8215-4de7-ba7e-8e690088d21d?P1=1787342417&P2=404&P3=2&P4=iEYLqOKBNu0NSWVB4mdG991nfFxGqdt1H4c9FojQCIYvYCZA5H7CxlXWJTwki3xHwNnsQfFMjZKf%2bsmsky7pEA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.184.175.23
- 52.230.60.54
- 40.84.97.4
- 4.230.171.124
- 135.232.92.137
- 4.150.223.114
- 74.178.76.54
- 52.123.129.14
- 20.76.201.171
- 74.178.76.128
- 172.178.240.162
- 20.165.94.46
- 203.26.79.13
- 172.66.2.5
- 162.159.142.9
- 52.148.114.188
- 20.184.175.3
- 52.168.117.169
- 92.223.78.30
- 52.110.12.55
- 52.110.12.44
- 4.209.250.170
- 20.184.175.8
- 20.184.175.12
- 72.145.35.107
More Urelas samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report