MALICIOUS — virussign.com_59435e7db7e3d0e96a450aa4551e8e30.vir

MALICIOUS — virussign.com_59435e7db7e3d0e96a450aa4551e8e30.vir is a pe sample analyzed by MalwareAnalyzer by Cyble with a malicious verdict (98/100), attributed to the Ulise family. 7 of 55 detection engines flagged it, exhibiting 2 ATT&CK techniques.

Identification

• SHA-256: 6c96e1f0ffd6a47d1997947c0c418c15a55cdde560ecc1891161a85f00e83b63
• SHA-1: 032bc40565fec864fa0ab43137df71a73e48c43c
• MD5: 59435e7db7e3d0e96a450aa4551e8e30
• imphash: 90cce72da726ce8adb302caebd8bfb9b
• ssdeep: 1536:1EGh0oXlq5IRVhNJ5Qef7BudMeNzVg3Ve+rrS2:1EGh0oXlqOPOe2MUVg3Ve+rX
• TLSH: T1DE406B81E02A3D56CFE9CDA25495AD5C247231EE3835F224CEC0E7A0A4F44BBB47A45D
• Submitted as: virussign.com_59435e7db7e3d0e96a450aa4551e8e30.vir
• File type: pe · Size: 172032 bytes
• Verdict: malicious (98/100) · Family: Ulise

Source: VirusSign · first seen 2026-08-16T00:00:00.000Z · SHA-256 verified

Detections (7 of 55 engines)

• YARA: MalwareAnalyser built-in: Windows_Injection_Api_Combo
• ClamAV (daily): Win.Malware.Ulise-9951851-0
• YARA: JPCERT/CC: JPCERT_HUILoader_PlugX_SideLoad
• YARA: MalwareAnalyser community pack: TL_Shellcode_VirtualAlloc_Exec
• Microsoft Defender: DDoS:Win32/Stormser.A
• Emsisoft (Emergency Kit): Trojan.StormAttack.1
• Kaspersky (KVRT): Trojan-DDoS.Win32.StormAttack.a

MITRE ATT&CK

• T1055
• T1547.001

YARA

• Windows_Injection_Api_Combo

Why this verdict

The malicious score of 98/100 is the fusion of 7 weighted signals:

• ClamAV (daily) flagged Win.Malware.Ulise-9951851-0 (rule Win.Malware.Ulise-9951851-0) - 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
• YARA: JPCERT/CC flagged JPCERT_HUILoader_PlugX_SideLoad (rule JPCERT_HUILoader_PlugX_SideLoad) - engine signal, weight 0.35, confidence 0.70
• YARA: MalwareAnalyser community pack flagged TL_Shellcode_VirtualAlloc_Exec (rule TL_Shellcode_VirtualAlloc_Exec) - engine signal, weight 0.35, confidence 0.70
• persist via registry run key (rule persist via registry run key) - capa signal, weight 0.35, confidence 0.60
• Embedded network infrastructure: http://www.sysinternals.com, http://www.camstudio.org/, http://www.gnu.org/software/coreutils/ - static signal, weight 0.35, confidence 0.60
• inject code into another process (rule inject code into another process) - capa signal, weight 0.12, 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.

Embedded URLs

• http://www.microsoft.com/exporting
• http://www.sysinternals.com
• http://www.camstudio.org/
• http://www.gnu.org/software/coreutils/
• http://translationproject.org/team/

Embedded domains

• www.microsoft.com
• www.sysinternals.com
• www.camstudio.org
• www.gnu.org
• translationproject.org

Embedded IP addresses

• 3.8.10.2
• 5.1.0.12

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Analyzed on MalwareAnalyzer by Cyble · Open interactive report