SUSPICIOUS — ff1e0f7d9eb5a80d720d1747dbbd10445d372b14b2aa7a0510e0528aaa28068e
SUSPICIOUS — ff1e0f7d9eb5a80d720d1747dbbd10445d372b14b2aa7a0510e0528aaa28068e is a pe sample analyzed by MalwareAnalyzer by Cyble with a suspicious verdict (49/100), attributed to the Wacatac family. 4 of 55 detection engines flagged it.
Identification
- SHA-256:
ff1e0f7d9eb5a80d720d1747dbbd10445d372b14b2aa7a0510e0528aaa28068e - SHA-1:
670b8a2b17fb4093bb460ef8cae8dd0b06597539 - MD5:
8f64f5d477674a50ae857f0e8e42ef04 - imphash:
4766812700011e18aad2f968b9bb1231 - ssdeep:
49152:WdJyyePKpr2MZ6mJjOjpbFOSDbRPjUEL9Xqw5ma:WdHQo6mJgJg2PjUERXqwv - TLSH:
T1AA59339F3A40059AFE9F928140BACD4C01DFB43ABA2D3F7A115DE1C5445B4C326AF662 - Submitted as: ff1e0f7d9eb5a80d720d1747dbbd10445d372b14b2aa7a0510e0528aaa28068e
- File type: pe · Size: 1791840 bytes
- Verdict: suspicious (49/100) · Family: Wacatac
Detections (4 of 55 engines)
- MalwareAnalyser heuristics (entropy/packer): high-entropy-sections:.text
- LIEF (executable format parser): lief:invalid-authenticode
- Microsoft Defender: Trojan:Win32/Wacatac.B!ml
- Kaspersky (KVRT): HEUR:Rootkit.Win32.Burden.gen
Why this verdict
The suspicious score of 49/100 is the fusion of 3 weighted signals:
- LIEF (executable format parser) flagged lief:invalid-authenticode (rule
lief:invalid-authenticode) - engine signal, weight 0.35, confidence 0.70 - Embedded network infrastructure: http://ocsp1.wosign.com/class3/code/ca106, http://aia1.wosign.com/class3.code.ca1.cer07, http://crls1.wosign.com/ca1-code-3.crl0O - static signal, weight 0.35, confidence 0.60
- Packing/obfuscation: high-entropy-sections:.text - static signal, weight 0.25, confidence 0.55
Dynamic analysis (windows)
0 behavior events · 0 ATT&CK techniques · 0 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
- msedge.api.cdp.microsoft.com
- oneocsp.microsoft.com
- www.msn.com
Embedded URLs
- http://ocsp1.wosign.com/class3/code/ca106
- http://aia1.wosign.com/class3.code.ca1.cer07
- http://crls1.wosign.com/ca1-code-3.crl0O
- http://www.wosign.com/policy/0
- http://crls1.wosign.com/ca1.crl0o
- http://ocsp1.wosign.com/ca106
- http://aia1.wosign.com/ca1-class3-code.cer0
- 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/fa5c4269-9d03-4a47-8d97-be6931f0b22c/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/fa5c4269-9d03-4a47-8d97-be6931f0b22c?P1=1787891154&P2=404&P3=2&P4=QgOIurp0%2fZ%2fCt4%2f9eR1ziUmcRVrW7Mt6rDnqbofHNc%2fmbaR3mJxk1ZomLVAdRlP2xpeiPfuEHx5737vo1XlDGQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- ocsp1.wosign.com
- aia1.wosign.com
- crls1.wosign.com
- www.wosign.com
- crl.microsoft.com
Embedded IP addresses
- 20.184.175.18
- 4.247.188.233
- 4.144.132.223
- 85.210.196.11
- 135.233.95.144
- 20.89.1.13
- 20.165.94.54
- 40.79.150.122
- 40.99.133.210
- 20.76.201.171
- 52.123.129.14
- 172.66.2.5
- 52.123.128.14
- 203.26.79.13
- 135.232.92.34
- 52.148.114.188
- 72.153.5.129
- 52.110.12.22
- 4.230.171.124
File paths
- g:\0
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report