MALICIOUS — 438187e75a74d0633abab1502858824d7305de68d8deaa0f629deca696077b7b
MALICIOUS — 438187e75a74d0633abab1502858824d7305de68d8deaa0f629deca696077b7b is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Bskd family. 4 of 56 detection engines flagged it, exhibiting 1 ATT&CK technique.
Identification
- SHA-256:
438187e75a74d0633abab1502858824d7305de68d8deaa0f629deca696077b7b - SHA-1:
ed374f9145ac0b9e2f7717e9197640add2267a8f - MD5:
70d6bcae21f51dd8bc9455dd0825d33e - imphash:
56176109b52a452352dd6749c77c0578 - ssdeep:
24576:iXjd1zUcx8orfT3yn0HLcjVUGkpGZ3BB56gpERHApF69cKX4lMtXUDXjb/cc:ib93yn0HYjV98zs6ho2Ej/ - TLSH:
T1485912DF2616AA00C2E186C05928172D1447F8E962792A85844FF29F37F6D3378917EF - Submitted as: 438187e75a74d0633abab1502858824d7305de68d8deaa0f629deca696077b7b
- File type: pe · Size: 1855488 bytes
- Verdict: malicious (99/100) · Family: Bskd
Detections (4 of 56 engines)
- ClamAV (daily): Win.Malware.Bskd-9753126-0
- YARA: Yara-Rules community: YR_AntiDebug_Checks
- Microsoft Defender: Trojan:Win32/Remcos.AUT!MTB
- Kaspersky (KVRT): HEUR:Backdoor.Win32.Generic
MITRE ATT&CK
Why this verdict
The malicious score of 99/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Malware.Bskd-9753126-0 (rule
Win.Malware.Bskd-9753126-0) - engine signal, weight 0.90, confidence 0.95 - Microsoft Defender flagged Trojan:Win32/Remcos.AUT!MTB (rule
Trojan:Win32/Remcos.AUT!MTB) - engine signal, weight 0.55, confidence 0.85 - Kaspersky (KVRT) flagged HEUR:Backdoor.Win32.Generic (rule
HEUR:Backdoor.Win32.Generic) - 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 5 HTTP request(s) at runtime - network signal, weight 0.40, confidence 0.80
- YARA: Yara-Rules community flagged YR_AntiDebug_Checks (rule
YR_AntiDebug_Checks) - engine signal, weight 0.35, confidence 0.70
Dynamic analysis (windows)
145 behavior events · 1 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ctldl.windowsupdate.com
- update.googleapis.com
- desktop-hsgcbep
- login.live.com
- v20.events.data.microsoft.com
- config.edge.skype.com
- windows.msn.com
- officeclient.microsoft.com
- www.msn.com
- odc.officeapps.live.com
- settings-win.data.microsoft.com
- assets.msn.com
- www.bing.com
- fe3cr.delivery.mp.microsoft.com
- th.bing.com
- v10.events.data.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\FE45.tmp -
2c11a8bb18033432c4d39dabb1a803869ecc502a8c6a44c88ab9750ea7297924
Embedded URLs
- http://schemas.microsoft.com/SMI/2005/WindowsSettings
- http://www.msftconnecttest.com/connecttest.txt
- http://rb.symcd.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTDRSYViRCZTxmZjLENmnwVjLly9QQU1MAGIknrOUvdk%2BJcobhHdglyA1gCEF0QyxjrOnkAh4OrdHf50xk%3D
- http://rb.symcb.com/rb.crl
Embedded domains
- 1.ai
- schemas.microsoft.com
Embedded IP addresses
- 20.42.65.88
- 4.230.171.124
- 20.42.179.204
- 74.178.240.51
- 20.42.65.89
- 74.178.76.128
- 20.247.184.142
- 104.18.33.89
- 20.165.94.63
- 52.110.12.56
- 92.223.78.30
- 52.110.12.33
File paths
- T:\:d:l:t:
More Bskd samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report