MALICIOUS — 1761ff5398b88ddb26723e3de23f987b913362a5480424d9eec67be39966f83a
MALICIOUS — 1761ff5398b88ddb26723e3de23f987b913362a5480424d9eec67be39966f83a is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100), attributed to the Urelas family. 7 of 55 detection engines flagged it.
Identification
- SHA-256:
1761ff5398b88ddb26723e3de23f987b913362a5480424d9eec67be39966f83a - SHA-1:
02aba9a57468dc58bb7372182ffd01c220f8b32d - MD5:
9e595587162a86bd9848eb8701686ea8 - imphash:
667e69c9c4f510ba05dfdf2ecaef0229 - ssdeep:
12288:fXb1TjQ+p3rbNuqsDBFBygivAIKMV4qljNk2oSP:fXbrp3rbER9rNpIKW4qJW8 - TLSH:
T1024B234953323785C9E83A81B962363DA8FD245B85BE7A7674D34CEE483CC53D122A70 - Submitted as: 1761ff5398b88ddb26723e3de23f987b913362a5480424d9eec67be39966f83a
- File type: pe · Size: 470699 bytes
- Verdict: malicious (95/100) · Family: Urelas
Detections (7 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): UPX
- ClamAV (daily): Win.Malware.Urelas-9863141-0
- YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
- Detect It Easy (packer/type): DIE:Turbo Linker
- Microsoft Defender: Trojan:Win32/Urelas!rfn
- Emsisoft (Emergency Kit): Trojan.Agent.FRPK
- Kaspersky (KVRT): HEUR:Trojan.Win32.Delf.gen
Why this verdict
The malicious score of 95/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Malware.Urelas-9863141-0 (rule
Win.Malware.Urelas-9863141-0) - engine signal, weight 0.90, confidence 0.95 - Contacted 28 external host(s) at runtime (27 HTTP) - network signal, weight 0.40, confidence 0.80
- YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule
JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70 - Detect It Easy (packer/type) flagged DIE:Turbo Linker (rule
DIE:Turbo Linker) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: UPX, high-entropy-sections:UPX1, Turbo Linker - static signal, weight 0.25, confidence 0.55
Dynamic analysis (windows)
9889 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
- config.edge.skype.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- officeclient.microsoft.com
Dropped files
- 06411e494fbb12ec1b21b6d5298612f15495928a2aae991bb8944460d0beb1c5 -
06411e494fbb12ec1b21b6d5298612f15495928a2aae991bb8944460d0beb1c5
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=1787834491&P2=404&P3=2&P4=KIyMb%2fsRzbR4%2fshB%2bPdK6z80U0asWT1IOk%2bMLxBhSEAwkKJMIfTKso0j8l92SpsYxj36%2bka64aXJ6WNzHAYwPw%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=1787834502&P2=404&P3=2&P4=c6DJk5rCkm%2bsOlITrrSIexukwq2K7nwbhOnTtJSWCFEpBVz58EHgdlD50PAWYQzNR9eDYNe4JvvRY0h3AhDzMA%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=1787231270&P2=404&P3=2&P4=V7MDTWUjK8rcM82M%2fGn1PiWd3aDYLlSOARX7UUbPaX%2f0g9hnGfVmEGBWsvUfF20%2fTS5eo9fsARSeBXDS%2ffcibg%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=1787230827&P2=404&P3=2&P4=iXd6eWfSnl8K9Zkc9RhEZ%2fopNBTedhdixjWBD%2fQ8hERMu7r3g1iMPU6pWYtHlDyZGrsfq4wYuC%2fb61KmsZVJlA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 52.168.112.67
- 4.230.171.124
- 20.247.184.197
- 85.210.193.152
- 20.165.94.63
- 20.165.94.54
- 4.150.223.96
- 20.184.175.17
- 52.123.128.14
- 20.236.44.162
- 40.99.134.2
- 52.123.129.14
- 135.233.45.223
- 52.123.252.234
- 172.66.2.5
- 74.178.232.29
- 203.26.79.13
- 104.46.162.230
- 4.150.223.112
- 52.148.114.188
- 40.84.85.40
- 172.178.240.162
- 20.184.175.1
- 48.200.63.27
- 4.150.223.113
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report