MALICIOUS — f12ca280da91922de5781cd1bf3f187a851a0475d4202ca5dd753530f2c2522b
MALICIOUS — f12ca280da91922de5781cd1bf3f187a851a0475d4202ca5dd753530f2c2522b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (92/100), attributed to the Agentb family. 3 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
f12ca280da91922de5781cd1bf3f187a851a0475d4202ca5dd753530f2c2522b - SHA-1:
c3cfb5919156a45a7559d81ed2992478f9a9f939 - MD5:
d0892f75a880f29f89a4fa4c703f5636 - imphash:
802dcac7aab948c19738ba3df9f356d9 - ssdeep:
768:ytrJ9Qhtn2fmSOitrJ9Qhtn2PSOitrJ9Qhtn2pSOitrJ9Qhtn2PSO:ytri2LOitri2KOitri24Oitri2KO - TLSH:
T1E736A66705A19D9BF617D6FB5480DF0D28F2E4F899B701D81D82DC0DA67CC5328A920E - Submitted as: f12ca280da91922de5781cd1bf3f187a851a0475d4202ca5dd753530f2c2522b
- File type: pe · Size: 65536 bytes
- Verdict: malicious (92/100) · Family: Agentb
Detections (3 of 56 engines)
- Microsoft Defender: Trojan:Win32/Zexa.WE!MTB
- Emsisoft (Emergency Kit): Trojan.Agent.EYLR
- Kaspersky (KVRT): Trojan-Dropper.Win32.Agentb.kh
MITRE ATT&CK
Why this verdict
The malicious score of 92/100 is the fusion of 7 weighted signals:
- Microsoft Defender flagged Trojan:Win32/Zexa.WE!MTB (rule
Trojan:Win32/Zexa.WE!MTB) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Trojan.Agent.EYLR (rule
Trojan.Agent.EYLR) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged Trojan-Dropper.Win32.Agentb.kh (rule
Trojan-Dropper.Win32.Agentb.kh) - engine signal, weight 0.55, confidence 0.85 - Contacted 20 external host(s) and 9 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90 - Memory forensics: 2 finding(s) elsewhere in the guest, not attributed to this sample, e.g. SSDT hook (rule
windows.ssdt.SSDT) - memory signal, weight 0.05, confidence 0.30
Dynamic analysis (windows)
4858 behavior events · 1 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
- 252.0.0.224.in-addr.arpa.
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa.
- login.live.com
- desktop-hsgcbep
- update.googleapis.com
- self.events.data.microsoft.com
- 251.0.0.224.in-addr.arpa
- 2.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- b.f.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- 1.0.240.10.in-addr.arpa
- 252.0.0.224.in-addr.arpa
- 3.0.0.0.1.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.0.2.0.f.f.ip6.arpa
- _dosvc._tcp.local
- nexusrules.officeapps.live.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\WOVEMOUDSZ.exe -
e6af2fdc38a973570e607c8a115b3081761c78f393a53ef5b9bb276d4f57124c
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- x1.c.lencr.org
- x2.c.lencr.org
- ye.c.lencr.org
- yr.c.lencr.org
Embedded IP addresses
- 20.42.65.89
- 20.42.179.192
- 203.26.79.13
- 4.150.223.110
- 72.145.35.97
- 52.148.114.188
- 4.150.223.102
- 72.145.35.103
- 51.116.253.168
- 72.154.7.106
- 85.210.196.11
- 20.165.94.46
- 20.42.72.131
- 4.150.223.103
- 72.154.7.97
- 85.210.193.152
- 72.145.35.96
- 4.150.223.100
- 4.150.223.113
- 172.172.255.217
- 20.42.65.88
- 20.89.1.9
- 52.110.12.1
- 4.230.171.124
- 4.144.132.223
File paths
- C:\Users\
More Agentb samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report