MALICIOUS — tsk_ef407319456247d2.exe

MALICIOUS — tsk_ef407319456247d2.exe is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (95/100), attributed to the Ulise family. 4 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 0028dc72ce3c73aef4e3ac654155e87d8d58431ee0d130d4fd0922364d6a9dcb
• SHA-1: 5994556c1918ed35f47e221306ffa25d901c0cdd
• MD5: a346766a97b41114935c0c18a6d58855
• imphash: 118eb37b88640d7f3f7ac979ea5687cc
• ssdeep: 384:KrxUgplGzlsBJpDy4OyzLeReR6nnkfPntgqcA/kEADH5idW5l3zmVWcs00INg:eExs7NTixkfVp/EDH8873zmVE6Ng
• TLSH: T14730F598C760A19DD297B01235E3998EF41123AEF5A0E87B5AC853319DF4873BD30E94
• Submitted as: tsk_ef407319456247d2.exe
• File type: pe · Size: 36864 bytes
• Verdict: malicious (95/100) · Family: Ulise

Detections (4 of 55 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• ClamAV (daily): Win.Trojan.Ulise-6838227-0
• Microsoft Defender: Trojan:Win32/Injector.ARA!MTB
• Kaspersky (KVRT): HEUR:Trojan.Win32.Miancha.gen

MITRE ATT&CK

• T1547.001
• T1055

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 95/100 is the fusion of 3 weighted signals:

• ClamAV (daily) flagged Win.Trojan.Ulise-6838227-0 (rule Win.Trojan.Ulise-6838227-0) - 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
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60

Dynamic analysis

No runtime behaviour was captured for this sample, so the analysis above is static only. That is a limit of this run rather than evidence the sample does nothing.

Registry keys

• HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run

File paths

• c:\temp\2015-05-01_22-53-25.dmp

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report