user@threatcheck.sh ~ threat-analysis
bash
$ analyze-threat Trojan:Win64/Amadey.Z
Trojan:Win64/Amadey.Z - Windows Defender threat signature analysis

Trojan:Win64/Amadey.Z - Windows Defender Threat Analysis

$ cat analysis.txt
=== THREAT ANALYSIS REPORT ===
Threat Name: Trojan:Win64/Amadey.Z
Classification:
Type:Trojan
Platform:Win64
Family:Amadey
Detection Type:Concrete
Known malware family with identified signatures
Variant:Z
Specific signature variant within the malware family
Confidence:Very High
False-Positive Risk:Low

Concrete signature match: Trojan - Appears legitimate but performs malicious actions for 64-bit Windows platform, family Amadey

Summary:

Trojan:Win64/Amadey.Z is a botnet trojan that downloads and executes additional malicious payloads. It establishes persistence using scheduled tasks and system utilities, manipulates firewall rules, and uses API hooking for information theft. Evidence suggests it may install a VNC client to provide attackers with remote graphical access to the infected system.

Severity:
Critical
VDM Static Detection:
Relevant strings associated with this threat:
 - !#HSTR:StringCodeForMshta.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.C!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.L!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.O!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRegsvr32.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRundll32.A!pli (PEHSTR_EXT)
 - rundll32 (PEHSTR_EXT)
 - !#HSTR:StringCodeForBITSJobs.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForPowerShell.G!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForScheduledTask.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForDataEncoding.D!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.J!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.K!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteFileCopy.B!pli (PEHSTR_EXT)
 - !#HSTR:ExecutionGuardrails (PEHSTR_EXT)
 - !#HSTR:StringCodeForFileDeletion.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForHooking.M!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForNetshHelperDLL.A!pli (PEHSTR_EXT)
 - !#HSTR:StringCodeForRemoteServices.A!pli (PEHSTR_EXT)
YARA Rule:
rule Trojan_Win64_Amadey_Z_2147957088_0
{
    meta:
        author = "threatcheck.sh"
        detection_name = "Trojan:Win64/Amadey.Z"
        threat_id = "2147957088"
        type = "Trojan"
        platform = "Win64: Windows 64-bit platform"
        family = "Amadey"
        severity = "Critical"
        signature_type = "SIGNATURE_TYPE_PEHSTR_EXT"
        threshold = "6"
        strings_accuracy = "Low"
    strings:
        $x_1_1 = {41 b8 20 00 00 00 48 8d 15 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? e8 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 41 b8 20 00 00 00 48 8d 15 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? e8 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 41 b8 06 00 00 00 48 8d 15 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? e8 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 41 b8 20 00 00 00}  //weight: 1, accuracy: Low
        $x_1_2 = {41 b8 44 00 00 00 48 8d 15 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? e8 ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 41 b8 5c 00 00 00 48 8d 15 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? e8}  //weight: 1, accuracy: Low
        $x_1_3 = {41 b8 50 00 00 00 48 8d 15 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? e8 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? ?? 41 b8 40 00 00 00 48 8d 15 ?? ?? ?? ?? 48 8d 0d ?? ?? ?? ?? e8}  //weight: 1, accuracy: Low
        $x_1_4 = "DenyTSConnections" ascii //weight: 1
        $x_1_5 = {00 30 31 2d 2d 45 00}  //weight: 1, accuracy: High
        $x_1_6 = {2d 2d 2d 00 35 31 32 30 00 00 00 00 76 6e 63 2e 65 78 65 00}  //weight: 1, accuracy: High
        $x_1_7 = "netsh advfirewall firewall set
Known malware which is associated with this threat:
d7a366fa4d31c901ce3bcb6760d7bb5aa7cab49bb54d8c6551b3df14c8cf64e7
21/11/2025
→VirusTotal↓Download Sample
Remediation Steps:
Immediately isolate the affected machine from the network. Use a fully updated antivirus solution to scan and remove the threat. Review for persistence mechanisms such as scheduled tasks and registry keys. Assume all credentials have been compromised and reset passwords for all accounts accessed from this device. For complete assurance, reimage the system from a known-good backup.
=== END REPORT ===
$ reanalyze-threat
This analysis was last updated on 21/11/2025. Do you want to analyze it again?
$ ls available-commands/
→ cd /home
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