MALICIOUS — d714da35baf4d57aa8118543fd03e8fed463926c87011f314d20bcc419416815
MALICIOUS — d714da35baf4d57aa8118543fd03e8fed463926c87011f314d20bcc419416815 is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Bskd family. 4 of 52 detection engines flagged it, exhibiting 3 ATT&CK techniques.
Identification
- SHA-256:
d714da35baf4d57aa8118543fd03e8fed463926c87011f314d20bcc419416815 - SHA-1:
dc67c1c5265c952d194652618687e2eccc37c258 - MD5:
d79106a9d16760cb1bdb1af81a462172 - imphash:
56176109b52a452352dd6749c77c0578 - ssdeep:
49152:ib93yn0HYjV7N86z8/XrIYV8JOFZZgqczh:o41N862JzZZgqa - TLSH:
T1ED5912DE6602AB00D2E085C056351B2C4887F8E9A5B82AD5854FF25E37E793374A13DF - Submitted as: d714da35baf4d57aa8118543fd03e8fed463926c87011f314d20bcc419416815
- File type: pe · Size: 1855488 bytes
- Verdict: malicious (99/100) · Family: Bskd
Detections (4 of 52 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 - Dropped a malicious payload (Bskd): 3C4.tmp - dynamic signal, weight 0.62, confidence 0.90
- 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 - Contacted 22 external host(s) at runtime (14 HTTP) - 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 - Observed at runtime: Modify Registry (T1112) (rule
Modify Registry) - dynamic signal, weight 0.12, confidence 0.90
Dynamic analysis (windows)
143 behavior events · 2 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- ctldl.windowsupdate.com
- login.live.com
- ocsp.digicert.com
- desktop-hsgcbep
- v20.events.data.microsoft.com
- config.edge.skype.com
- licensing.mp.microsoft.com
- windows.msn.com
- oneocsp.microsoft.com
- www.msn.com
- settings-win.data.microsoft.com
- officeclient.microsoft.com
- odc.officeapps.live.com
- assets.msn.com
- www.bing.com
- tas02.sls.update.microsoft.com
Dropped files
- C:\Users\analyst\AppData\Local\Temp\3C4.tmp -
a5c87efc884445ce36ba4e8c76f327c31895ddf38dc3810410815874995594fb
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
- f.se
- w.jp
- o.ru
- schemas.microsoft.com
Embedded IP addresses
- 51.132.193.105
- 52.123.252.242
- 52.253.84.76
- 172.215.188.225
- 4.230.171.124
- 40.84.85.40
- 74.178.76.128
- 20.42.72.131
- 20.76.201.171
- 52.123.252.240
- 135.233.95.144
- 135.232.92.97
- 135.234.160.245
- 20.112.250.133
- 20.184.175.4
- 203.26.79.13
- 135.232.92.34
- 52.148.114.188
- 72.145.35.109
- 172.66.2.5
- 52.110.12.55
- 52.110.12.40
File paths
- T:\:d:l:t:
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Analyzed on MalwareAnalyzer by Cyble · Open interactive report