MALICIOUS — 443f223891b7e210d214206523998e235f3a14771df013f52f4a64503f17818c
MALICIOUS — 443f223891b7e210d214206523998e235f3a14771df013f52f4a64503f17818c 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:
443f223891b7e210d214206523998e235f3a14771df013f52f4a64503f17818c - SHA-1:
e37711898847fbbc7685134fc10a8351e18dd52b - MD5:
6118c029a1375aad99761b12d25be2ab - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070dfwnJkLCaP38HlnedUj58YVjl:Qoa1taC0wQJk4HVYIVR - TLSH:
T1E85A224BA6186B0DD6F6C1403D58226EC441A4ABA77D15CB51CFF09EB3CB967A8300DB - Submitted as: 443f223891b7e210d214206523998e235f3a14771df013f52f4a64503f17818c
- 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 23 external host(s) at runtime (29 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
- c.pki.goog
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\E64F.tmp -
8a781b12945494a55384811461b5e41d3fb3c8bc9301d2cf00dfa6f7d4952292 - b1a54f04f89e829905b8ed1d07f4aeae1938e165b2b80eec3e8df8d7097de8d1 -
b1a54f04f89e829905b8ed1d07f4aeae1938e165b2b80eec3e8df8d7097de8d1
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=1787826062&P2=404&P3=2&P4=b%2f59dvvVe9LGWN2QUVNv34unApXKvmu%2fICqUlQ5VjaSvDl92gYQArooP49z9ObEGl1vlO64Fs%2bRPtmLw%2b%2bIZUg%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=1787826097&P2=404&P3=2&P4=Y9OnbyijAhAcaSCtwCLtN3vNkCfiD8jFSSt05UplZ7vy%2f3%2fhsagORhLggUN%2bST2v1imniHrlhX%2bk8ZeLEdQ7rQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
- http://c.pki.goog/r/gsr1.crl
- http://c.pki.goog/r/r4.crl
- 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=1787222865&P2=404&P3=2&P4=PK4iFnlsJk8q8FsxnEHLXo1px7X2MSmVqg3nCZXiVAZ%2bbf85tRI0BjhnwnWI2paQ%2fSMUp9%2byL4p9z%2bTTkwNSjg%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=1787222381&P2=404&P3=2&P4=M05UPNWrbkmPAc01tTjOvOjlwPdy7UUqInXMKgv%2bYHIqzPvbaYhbiEx82qrUGEKVa1fDezrdF%2fwKadjWJjLobA%3d%3d&cacheHostOrigin=1D.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.microsoft.com
Embedded IP addresses
- 52.123.252.195
- 20.184.175.20
- 4.144.132.114
- 40.84.97.4
- 4.230.171.124
- 135.232.92.137
- 20.165.94.54
- 20.76.201.171
- 52.123.128.14
- 52.123.129.14
- 20.184.175.3
- 52.123.252.193
- 40.79.150.122
- 203.26.79.13
- 172.178.240.163
- 135.232.92.34
- 52.148.114.188
- 72.154.7.109
- 52.168.117.168
- 172.170.180.133
- 20.184.175.17
- 142.251.42.99
- 52.110.12.51
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report