MALICIOUS — 57175eaf891e59c73ebc6972e20d08ca49dceedb91d158e534a907e9730af803
MALICIOUS — 57175eaf891e59c73ebc6972e20d08ca49dceedb91d158e534a907e9730af803 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Msilperseus family. 8 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
57175eaf891e59c73ebc6972e20d08ca49dceedb91d158e534a907e9730af803 - SHA-1:
9f65b1b91c0d80fd6e181f507bd31ee0dc1d8514 - MD5:
95313b2cd0f1c66bb7687d46de50fead - imphash:
f34d5f2d4577ed6d9ceec516c1f5a744 - ssdeep:
3072:JO+bY++73VQdqPg7WqD+NhGJZstCVH9xGSp+BPq19XAHtUcmzZ:MWWzcJZs0d91WPquUcmd - TLSH:
T1334217BEFEA90E23C8FEEDD71C9A806E65C45846A0BD5250C7F7603225136338A61573 - Submitted as: 57175eaf891e59c73ebc6972e20d08ca49dceedb91d158e534a907e9730af803
- File type: pe · Size: 213182 bytes
- Verdict: malicious (99/100) · Family: Msilperseus
Detections (8 of 52 engines)
- capa (capabilities): capability:execution/powershell
- MalwareAnalyser heuristics (entropy/packer): .NET Reactor 4.8-4.9
- ClamAV (daily): Win.Malware.Msilperseus-9884190-0
- YARA: Stratosphere IPS: STRATO_Tor_Onion_C2
- Detect It Easy (packer/type): DIE:.NET Reactor 4.8-4.9
- Microsoft Defender: Trojan:MSIL/Razy!atmn
- Emsisoft (Emergency Kit): Gen:Variant.Jalapeno.446
- Kaspersky (KVRT): HEUR:Trojan-Dropper.Win32.Agent.gen
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 10 weighted signals:
- ClamAV (daily) flagged Win.Malware.Msilperseus-9884190-0 (rule
Win.Malware.Msilperseus-9884190-0) - 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 - execute via PowerShell (rule
execute via PowerShell) - capa signal, weight 0.40, confidence 0.80 - Contacted 52 external host(s) at runtime (15 HTTP) - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1497, T1497.001, T1082, T1622 - dynamic signal, weight 0.40, confidence 0.75
- YARA: Stratosphere IPS flagged STRATO_Tor_Onion_C2 (rule
STRATO_Tor_Onion_C2) - engine signal, weight 0.35, confidence 0.70 - Detect It Easy (packer/type) flagged DIE:.NET Reactor 4.8-4.9 (rule
DIE:.NET Reactor 4.8-4.9) - engine signal, weight 0.35, confidence 0.70 - Packing/obfuscation: .NET Reactor 4.8-4.9 - static signal, weight 0.25, confidence 0.55
- Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
8028 behavior events · 2 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- searchapp.bundleassets.example
- staging.to-do.officeppe.com
- teams.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
- oneocsp.microsoft.com
- www.msn.com
- settings-win.data.microsoft.com
- officeclient.microsoft.com
- www.bing.com
- tas02.sls.update.microsoft.com
Embedded URLs
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded IP addresses
- 13.69.109.130
- 57.155.104.224
- 4.230.171.124
- 74.178.76.128
- 57.154.63.210
- 20.236.44.162
- 135.233.45.221
- 162.159.142.9
- 20.231.239.246
- 20.184.175.1
- 172.66.2.5
- 74.179.77.204
- 20.184.175.6
- 57.155.101.212
- 40.84.85.40
- 52.230.59.222
- 74.179.77.164
- 52.123.129.14
- 4.247.188.224
- 52.123.252.232
- 20.184.175.5
- 203.26.79.13
- 52.123.128.14
- 162.159.36.2
- 135.233.95.144
More Msilperseus samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report