MALICIOUS — 525f19d7a663dafdad04dbecb129776fd10ed32377f623e88793028ef0140f78
MALICIOUS — 525f19d7a663dafdad04dbecb129776fd10ed32377f623e88793028ef0140f78 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (100/100), attributed to the Msilkrypt family. 4 of 56 detection engines flagged it, exhibiting 2 ATT&CK techniques.
Identification
- SHA-256:
525f19d7a663dafdad04dbecb129776fd10ed32377f623e88793028ef0140f78 - SHA-1:
3183de53b37c5b3a732c4cf80a73a4c4766f82ec - MD5:
27fb02ade953873043d857d4dba1ed39 - imphash:
f34d5f2d4577ed6d9ceec516c1f5a744 - ssdeep:
192:rBksu/EXVwVK2eMZZ3X93VnjdwCzI33hPH9/:5Vwk2eMZFnhwCsnhP - TLSH:
T158220AEF1A189F43CB7ED52B5141897E7490749E28B6228D12048A33543C833997E7EB - Submitted as: 525f19d7a663dafdad04dbecb129776fd10ed32377f623e88793028ef0140f78
- File type: pe · Size: 9728 bytes
- Verdict: malicious (100/100) · Family: Msilkrypt
Detections (4 of 56 engines)
- ClamAV (daily): Win.Malware.Msilkrypt-9839010-0
- Microsoft Defender: PWS:MSIL/Infostealer.PAC!MTB
- Emsisoft (Emergency Kit): Gen:Trojan.Mardom.PN.19
- Kaspersky (KVRT): HEUR:Trojan.MSIL.Agent.gen
MITRE ATT&CK
Why this verdict
The malicious score of 100/100 is the fusion of 11 weighted signals:
- ClamAV (daily) flagged Win.Malware.Msilkrypt-9839010-0 (rule
Win.Malware.Msilkrypt-9839010-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged PWS:MSIL/Infostealer.PAC!MTB (rule
PWS:MSIL/Infostealer.PAC!MTB) - engine signal, weight 0.55, confidence 0.85 - Emsisoft (Emergency Kit) flagged Gen:Trojan.Mardom.PN.19 (rule
Gen:Trojan.Mardom.PN.19) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Trojan.MSIL.Agent.gen (rule
HEUR:Trojan.MSIL.Agent.gen) - engine signal, weight 0.55, 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) across 1 rule(s): Windows Service Installation [medium] (rule
tl-service-install) - dynamic signal, weight 0.40, confidence 0.90 - Contacted 2 external host(s) and 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- Anti-analysis: T1082 - dynamic signal, weight 0.40, confidence 0.75
- Extracted RedLine config (0 C2) - engine signal, weight 0.45, confidence 0.60
- Embedded network infrastructure: http://tempuri.org/IUserService/GetUsersT, http://194.87.145.184:6484/UserService, 194.87.145.184 - 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
Dynamic analysis (windows)
4060 behavior events · 2 ATT&CK techniques · 0 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ctldl.windowsupdate.com
- login.live.com
- update.googleapis.com
- msedge.api.cdp.microsoft.com
- geo.prod.do.dsp.mp.microsoft.com
- kv801.prod.do.dsp.mp.microsoft.com
- settings-win.data.microsoft.com
- cp801.prod.do.dsp.mp.microsoft.com
- desktop-hsgcbep
- msedge.b.tlu.dl.delivery.mp.microsoft.com
- v20.events.data.microsoft.com
- licensing.mp.microsoft.com
- config.edge.skype.com
- windows.msn.com
- www.msn.com
- officeclient.microsoft.com
Embedded URLs
- http://tempuri.org/IUserService/GetUsersT
- http://194.87.145.184:6484/UserService
- 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/89c77c08-6078-44b6-8f27-85720154df65/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/89c77c08-6078-44b6-8f27-85720154df65?P1=1788311135&P2=404&P3=2&P4=iwQ5HS7oXnH%2fhC8EU4OPgHn0poEnw%2fD2mMQA6W5xSTrzs56Sg%2f6n1Q3uLOjUEcNnRZiuyuXfESJv4zJGLb6Eaw%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded domains
- schemas.datacontract.org
- tempuri.org
Embedded IP addresses
- 194.87.145.184
- 57.155.104.224
- 40.79.150.121
- 20.247.184.142
- 203.26.79.13
- 20.247.185.124
- 4.230.171.124
- 48.211.4.16
- 135.233.95.80
- 74.178.240.51
- 135.233.95.144
- 20.184.175.10
- 172.64.154.167
- 135.233.45.223
- 172.215.188.232
- 52.110.12.38
- 72.153.5.60
- 52.110.12.49
- 162.159.142.9
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report