MALICIOUS — tsk_4f174b4e21f549c3.exe
MALICIOUS — tsk_4f174b4e21f549c3.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (99/100), attributed to the Miancha family. 5 of 55 detection engines flagged it, exhibiting 4 ATT&CK techniques.
Identification
- SHA-256:
6b6f9f081518b552c3fb001c4412a85b6271b2e2e0ff1172cd72adbbaa92da2d - SHA-1:
4db0b605892c017cb1a0d2fde2436bf7c07884fe - MD5:
d5410b085c1fa231281a21ecfabb69a2 - imphash:
bef229bd8a414afbbd1edba1aeb00206 - ssdeep:
384:Q98xUHQKV52y4Ng8zLeirerES/8ZqUdf7XOhI42wKn4qBFrGMeMfg:TwO/gopjSkddkv2wC4ORg - TLSH:
T1AB2F8E98C754EA1EC382600239D2C85EF07537FEA0A5E96B1D85C7708CF8463B8B5A5D - Submitted as: tsk_4f174b4e21f549c3.exe
- File type: pe · Size: 32768 bytes
- Verdict: malicious (99/100) · Family: Miancha
Detections (5 of 55 engines)
- YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
- ClamAV (daily): Win.Trojan.Kazy-6838217-0
- Microsoft Defender: Trojan:Win32/Injector.ARA!MTB
- Emsisoft (Emergency Kit): Gen:Variant.Downloader.849
- Kaspersky (KVRT): HEUR:Trojan.Win32.Miancha.gen
MITRE ATT&CK
YARA
- Windows_Injection_Api_Combo
Why this verdict
The malicious score of 99/100 is the fusion of 7 weighted signals:
- ClamAV (daily) flagged Win.Trojan.Kazy-6838217-0 (rule
Win.Trojan.Kazy-6838217-0) - engine signal, weight 0.90, confidence 0.95 - Process injection API combination (rule
Windows_Injection_Api_Combo) - yara signal, weight 0.65, 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 (16 HTTP) - network signal, weight 0.40, confidence 0.80
- persist via registry run key (rule
persist via registry run key) - capa signal, weight 0.35, confidence 0.60 - Dropped 1 executable file(s) at runtime - dynamic signal, weight 0.20, confidence 0.60
Dynamic analysis (windows)
113 behavior events · 1 ATT&CK techniques · 1 dropped files.
Runtime network
- www.msftconnecttest.com
- rb.symcd.com
- rb.symcb.com
- inference.location.live.net
- to-do.office.com
- staging.to-do.officeppe.com
- teams.cloud.microsoft
- outlook.office.com
- outlook.office365.com
- outlook.cloud.microsoft
- 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
Dropped files
- C:\Users\analyst\AppData\Local\Temp\tsk_7b4779202cb4458d.exe -
1068123efa4112a5b69c8458b34a8472384e3465b58b410dc07e945e14a4fb02
Embedded URLs
- 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/753bb2df-a166-494f-aa7d-5678b1ef0c56/pieceshash?cacheHostOrigin=dl.delivery.mp.microsoft.com
- http://203.26.79.13/filestreamingservice/files/753bb2df-a166-494f-aa7d-5678b1ef0c56?P1=1787674456&P2=404&P3=2&P4=MbdksC9hp4XpQt9%2bh9ATzXsiUixE6wcOCI3vKqhiqP%2fJrpzZIR%2bJHlzGmX4dyD%2babcMbgyshbJ8Z%2b4W4yCLLAQ%3d%3d&cacheHostOrigin=msedge.b.tlu.dl.delivery.mp.microsoft.com
Embedded IP addresses
- 20.184.175.3
- 52.123.252.229
- 4.144.132.223
- 4.230.171.124
- 40.84.85.40
- 74.178.240.61
- 135.233.95.135
- 52.168.117.171
- 74.179.77.204
- 52.123.252.215
- 4.150.223.106
- 203.26.79.13
- 20.112.250.133
- 40.99.133.226
- 52.123.129.14
- 52.123.128.14
- 135.233.45.223
- 74.179.71.159
- 72.154.7.107
- 52.110.12.37
- 52.148.114.188
- 52.110.12.11
Registry keys
- HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run
More Miancha samples · Latest analyzed threats · ATT&CK coverage
Analyzed on MalwareAnalyzer by Cyble · Open interactive report