MALICIOUS — c855cccc489d912d25402ff874bb28bc01ecd480d4fa94191212d27bd92f7174
MALICIOUS — c855cccc489d912d25402ff874bb28bc01ecd480d4fa94191212d27bd92f7174 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (96/100), attributed to the Zusy family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
c855cccc489d912d25402ff874bb28bc01ecd480d4fa94191212d27bd92f7174 - SHA-1:
b18b617959240ca15c3888fe555e2f685b8445bc - MD5:
4aaa78d77441b3436d37ee2386bf3754 - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dAt72RHtyTICQJpGNp4b6aoZp:Qoa1taC0f2RUICQJ4A9qp - TLSH:
T1C05A238A56596B0CE3F1C5803D28277DC842D8F7933C298B518FF05E77C696B68211AB - Submitted as: c855cccc489d912d25402ff874bb28bc01ecd480d4fa94191212d27bd92f7174
- File type: pe · Size: 1958400 bytes
- Verdict: malicious (96/100) · Family: Zusy
Detections (4 of 55 engines)
- ClamAV (daily): Win.Malware.Zusy-9764479-0
- Microsoft Defender: Trojan:Win32/Salgorea!pz
- Emsisoft (Emergency Kit): Dump:Generic.Dacic.17983.C83B492E
- Kaspersky (KVRT): Trojan.Win32.Bingoml.ckfs
MITRE ATT&CK
Why this verdict
The malicious score of 96/100 is the fusion of 4 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Observed at runtime: Windows Service (T1543.003) (rule
Windows Service) - dynamic signal, weight 0.40, confidence 0.90 - 1 behavioral detection(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 21 external host(s) at runtime (22 HTTP) - network signal, weight 0.40, confidence 0.80
Dynamic analysis (windows)
99 behavior events · 1 ATT&CK techniques · 2 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
- officeclient.microsoft.com
- www.msn.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\AE4C.tmp -
ef6ae5198c389450bb194b7ee372b18a7a85aec5b6d700f9096f4d2e80f37c9e - 551747f973b2e6a181a0468ae9816fb55404758d5ec1da844474cc7d920992ea -
551747f973b2e6a181a0468ae9816fb55404758d5ec1da844474cc7d920992ea
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- 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=1787822469&P2=404&P3=2&P4=B729YXZO5G6xGo09M3nqi1TqTbZG1Jewbh9UNEo6H82862beH9piuMxN5BpW71eJrN%2fSfSeNu%2bZOx34TYob4Sw%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=1787822545&P2=404&P3=2&P4=l2OxHtqa5coWFZDGMIfVQWnrfLbJS6HD3HT9MQuC5kiWjlCdZjhdOQkT3GuDhXAp1u77VrWeE%2fGb1RxNaq3Keg%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- t.uk
- schemas.microsoft.com
Embedded IP addresses
- 51.105.71.136
- 4.247.188.233
- 4.230.171.124
- 52.230.59.222
- 135.232.92.137
- 135.232.92.97
- 51.132.193.104
- 20.231.239.246
- 52.123.128.14
- 40.99.134.2
- 40.103.64.242
- 4.207.44.68
- 172.178.240.161
- 203.26.79.13
- 52.123.252.219
- 135.232.92.34
- 52.148.114.188
- 72.145.35.101
- 74.178.232.29
- 52.110.12.21
- 52.110.12.55
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report