MALICIOUS — 4b5fa94b56424f87bd23cd42e4a6eb0a98f030e6b6328a58cec595ba69b1b060
MALICIOUS — 4b5fa94b56424f87bd23cd42e4a6eb0a98f030e6b6328a58cec595ba69b1b060 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the C83B492E family. 4 of 55 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
4b5fa94b56424f87bd23cd42e4a6eb0a98f030e6b6328a58cec595ba69b1b060 - SHA-1:
3f6256452cd3c5567f9cccb39a92ff1801e6b8e5 - MD5:
cd55770322bb183f6a1ce497c680f90e - imphash:
95122753ea27818b35f9b51859e4c692 - ssdeep:
49152:Qoa1taC070djOFRIDmnbeOPKhtsbYo1u8MepL:Qoa1taC0pRIDmniOPFYo1ZMi - TLSH:
T1AD5A234A96096B0DE7F6C58058AD125EC441E4F6B378198E828FF04EF3DBD9778101AB - Submitted as: 4b5fa94b56424f87bd23cd42e4a6eb0a98f030e6b6328a58cec595ba69b1b060
- File type: pe · Size: 1958400 bytes
- Verdict: malicious (98/100) · Family: C83B492E
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 98/100 is the fusion of 5 weighted signals:
- ClamAV (daily) flagged Win.Malware.Zusy-9764479-0 (rule
Win.Malware.Zusy-9764479-0) - engine signal, weight 0.90, confidence 0.95 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - 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 (23 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
- windows.msn.com
- licensing.mp.microsoft.com
- oneocsp.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\9517.tmp -
938c62ee757aa36364dcebfe5180e47bedfd5b860a10deb8524867090b901d88 - ae0001ef4cb43bf0d7291c0de4f641f79e4d5fc18cf7ff348bbfb134c20382fa -
ae0001ef4cb43bf0d7291c0de4f641f79e4d5fc18cf7ff348bbfb134c20382fa
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=1787862375&P2=404&P3=2&P4=dSKAEMTfW0lg3co2eG%2bFy%2bW2J4G08sqvP79VBsVoFnEhjgbmypqxcKxAUuQBwjWCWShfdB318ZFsPrpnESBYBw%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=1787862431&P2=404&P3=2&P4=d58fximRnioTyIiZmPlXYZwpIJ18rxufP%2f%2foQqIciQ8%2f0HjTILSgP5GSjVGmfFz1V8mYBBNUbOWYceXT4ZVoZA%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
Embedded domains
- yq.cf
- schemas.microsoft.com
Embedded IP addresses
- 52.168.117.175
- 52.123.252.248
- 4.144.132.114
- 57.155.104.224
- 4.230.171.124
- 74.178.76.128
- 52.123.252.219
- 20.42.73.26
- 74.178.240.51
- 52.123.129.14
- 20.231.239.246
- 40.99.133.210
- 51.116.253.170
- 135.234.160.245
- 203.26.79.13
- 52.123.252.193
- 74.179.71.159
- 52.148.114.188
- 52.168.117.169
- 72.145.35.104
- 92.223.78.30
- 52.110.12.26
- 52.110.12.45
More C83B492E samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report