MALICIOUS — virussign.com_5dfbf9607f81e0ba8fe8c655406bb5e0.vir
MALICIOUS — virussign.com_5dfbf9607f81e0ba8fe8c655406bb5e0.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (94/100), attributed to the Ravartar family. 4 of 52 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
8a247be8ef1307e97e36b6f279ede46f81a00826e88aea393d2e9174d703b2b7 - SHA-1:
d31d0ed1c90843491e656b82a01e66cc7ae75495 - MD5:
5dfbf9607f81e0ba8fe8c655406bb5e0 - imphash:
9359640985b9785c207b16eb369c815a - ssdeep:
6144:BgWOlPFHNXElp+pmPJyzDVefAOm8QG4P93NJIWLV:BXuPFHN2+EAefhQG4FNHLV - TLSH:
T16E4F5C8B83C01A40E5E1D704A9702A1E50DBABB6B5F91808168FC49E2F9ECDF4533776 - Submitted as: virussign.com_5dfbf9607f81e0ba8fe8c655406bb5e0.vir
- File type: pe · Size: 707432 bytes
- Verdict: malicious (94/100) · Family: Ravartar
Detections (4 of 52 engines)
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: Trojan:Win32/Ravartar!rfn
- Emsisoft (Emergency Kit): Gen:Variant.Draftor.1946
MITRE ATT&CK
Why this verdict
The malicious score of 94/100 is the fusion of 8 weighted signals:
- Microsoft Defender flagged Trojan:Win32/Ravartar!rfn (rule
Trojan:Win32/Ravartar!rfn) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Variant.Draftor.1946 (rule
Gen:Variant.Draftor.1946) - engine signal, weight 0.55, confidence 0.85 - Memory forensics: 2 finding(s), e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.50, confidence 0.85 - YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70 - LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: 5.4.2.0 - static signal, weight 0.35, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Contacted 1 external host(s) at runtime - network signal, weight 0.12, confidence 0.55
Dynamic analysis (windows)
87 behavior events · 1 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- searchapp.bundleassets.example
- desktop-hsgcbep
- ctldl.windowsupdate.com
- login.live.com
- config.edge.skype.com
- v10.events.data.microsoft.com
- www.bing.com
- windows.msn.com
- officeclient.microsoft.com
- fe3cr.delivery.mp.microsoft.com
- dns.msftncsi.com
- 192.168.122.106
- 224.0.0.252
- 192.168.122.255
- 192.168.122.1
- 162.159.36.2 US · AS13335 Cloudflare, Inc.
- 224.0.0.22
Embedded URLs
- https://www.globalsign.com/repository/0
Embedded domains
- www.globalsign.com
- cacerts.digicert.com
- crl3.digicert.com
Embedded IP addresses
- 5.4.2.0
- 162.159.36.2
File paths
- T:\:d:l:t:
- T:\:h:
More Ravartar samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report