Malicious
Malicious

557f9d7d023abd2ecd6556b8e4412954

JavaScript
MD5: 557f9d7d023abd2ecd6556b8e4412954
Size: 5.86 MB
application/javascript
Ctrl + scroll to zoom · drag to pan

This sample is a 5.6 MB JavaScript classified as malicious by Malva.RE. Static analysis extracted 3 embedded or derived files. It matches 3 YARA rules. Observed behaviours map to MITRE ATT&CK T1027, T1059.001 and T1059.007. The file was analysed statically: it was parsed and decompiled, never executed.

SHA256
d50781988d8f4a8970b92f226b3653c5352299668a8d31612dc223bf6a4d6a84
MD5
557f9d7d023abd2ecd6556b8e4412954
Verdict
Malicious
File type
JavaScript · 5.6 MB
MITRE ATT&CK
T1027T1059.001T1059.007

Cite this report: https://app.malva.re/sha256/d50781988d8f4a8970b92f226b3653c5352299668a8d31612dc223bf6a4d6a84

Get an AI-generated breakdown of this malware's behaviour, IOCs and recommendations.

AI analysis is available with Essential.
Unlock with Essential

File
Type
JavaScript file
Size
5.86 MB · 5,863,194 B
First seen
2026-10-27 07:00 · an hour ago
Last seen
2026-10-27 07:00 · an hour ago
Last analysis
2026-10-27 07:01 · an hour ago
Hashes
MD5 557f9d7d023abd2ecd6556b8e4412954 Sha1 f7ab23623aabd5fdda9e3cfe36474239f5f48831 Sha256 d50781988d8f4a8970b92f226b3653c5352299668a8d31612dc223bf6a4d6a84 Sha384 e94e589a7daee2e10e61153dcaa3f385bb1ee772a638773c874d01fac49df45b44682aaf7529024c9cd27b87ba4f4567 Sha512 4bd0c3a017339af9196f165482dc488ee37e25234f8e698140f36a1fd9559fddebc68999a0ec5c10250f784270bc4238bdf65d79ca5fbfb9032df62cfef57268 SSDeep 98304:Z/3FWIbWzDTTnVCevxAQ58gYtKYWPLKvFgOtZJapUTS6ZT91qFBrXuuk9XRxTJAH:vhbCfh353FYt7WPevTtZJaiT79CjEFOX TLSH 3B461882231A86F1B72DBB5CD176DD70A95A201317CADF3D317C9216B758D0B638CAE2

4 malicious · 4 files
JS557f9d7d023abd2ecd6556b8e4412954
BIN557f9d7d023abd2ecd6556b8e4412954.emulated
SH[Command #1]
PS1[PowerShell Command]
PS1[Deobfuscated PS]
STICH beta Structural Threat Infection Chain Hash

A content-independent fingerprint of the infection method: successive formats, internal objects and MITRE techniques from the initial file to each final payload.

STICH Path = the fingerprint (canonical chain with techniques) STICH Shape = structure only Only determinant branches produce STICH Paths.
Path scr:js~T1059.007>scr:bat>scr:ps1~T1027~T1059.001
Shape scr:js>scr:bat>scr:ps1
malicious 3 nodes

Command (emulation JS) #1 UNKNWOWNmalicious
cmd /chuhuhuhuhuhuhuhuhuhuhu
Command (emulation JS) #2 UNKNWOWNmalicious
\XYJOHhuhuhuhuhuhuhuhuhuhuhu
Trace d'emulation JS (ordonnee) UNKNWOWNmalicious
#? nehuhuhuhuhuhuhuhuhuhuhu
Deobfuscated PowerShell UNKNWOWNmalicious
ehuhuhuhu
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential

4 malicious · 4 files
JS557f9d7d023abd2ecd6556b8e4412954
BIN557f9d7d023abd2ecd6556b8e4412954.emulated
SH[Command #1]
PS1[PowerShell Command]
PS1[Deobfuscated PS]
No malware configuration was found at this point.

Command (emulation JS) #1 UNKNWOWNmalicious
cmd /chuhuhuhuhuhuhuhuhuhuhu
557f9d7d023abd2ecd6556b8e4412954
Command (emulation JS) #2 UNKNWOWNmalicious
\XYJOHhuhuhuhuhuhuhuhuhuhuhu
557f9d7d023abd2ecd6556b8e4412954
Trace d'emulation JS (ordonnee) UNKNWOWNmalicious
#? nehuhuhuhuhuhuhuhuhuhuhu
557f9d7d023abd2ecd6556b8e4412954
Deobfuscated PowerShell UNKNWOWNmalicious
ehuhuhuhu
557f9d7d023abd2ecd6556b8e4412954 › 557f9d7d023abd2ecd6556b8e4412954.emulated › [Command #1] › [PowerShell Command]
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
Unlock with Essential
Sign in or create a free account to view the matching YARA rules. Create a free account
An error has occurred. This application may no longer respond until reloaded. Reload 🗙