Malicious
a1898516494a4db22dd59e66309129a2
JavaScript
MD5: a1898516494a4db22dd59e66309129a2
Size: 4.07 MB
application/javascript
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This sample is a 3.9 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
- b62a4cfdc0f23ee619b25b9b002bd634c84ad894f48cf19f4c2a24be031be5da
- MD5
- a1898516494a4db22dd59e66309129a2
- Verdict
- Malicious
- File type
- JavaScript · 3.9 MB
Cite this report: https://app.malva.re/sha256/b62a4cfdc0f23ee619b25b9b002bd634c84ad894f48cf19f4c2a24be031be5da
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Type
JavaScript file
Size
4.07 MB · 4,071,882 B
First seen
2026-10-26 07:45 · 6 hours ago
Last seen
2026-10-26 07:45 · 6 hours ago
Last analysis
2026-10-26 07:46 · 6 hours ago
Hashes
MD5
a1898516494a4db22dd59e66309129a2
Sha1
d46def7fe1d31b77d85d03e754137ec355fb1c4b
Sha256
b62a4cfdc0f23ee619b25b9b002bd634c84ad894f48cf19f4c2a24be031be5da
Sha384
fd2a43a4ff08cee3021cca1f9b43aa40418518b12789a57363203b0416d387b5a66fb8e5bbcc339e1a5712af9959bd4e
Sha512
45b9764c01f7f8270d3f4b611ca993ee8bd98fe7f6cfabdb0c0f2148372f59bca660bb809a9c8dae8383903d5fa55d17d07c36fc39490a3711efb8f877f2978f
SSDeep
98304:FOfPB/eVIOxJAYSrxhwHldRVJnolDPjgFDGNPX6hl94DvbrKERPM2MryEolLD61a:eSCQFvIDP4DGN/6hsb+ulwyHlLgk/
TLSH
FE1628495643FBD1F4A938108E09EAD27B41DA07EFA0DA337934A5ABDB44FD37A0D610
4 malicious · 4 files
JSa1898516494a4db22dd59e66309129a2T1027 · T1059.001 · T1059.007
BINa1898516494a4db22dd59e66309129a2.emulated
SH[Command #1]T1027 · T1059.001
PS1[PowerShell Command]T1027 · T1059.001
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
\WOENZhuhuhuhuhuhuhuhuhuhuhu
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 Essential4 malicious · 4 files
JSa1898516494a4db22dd59e66309129a2T1027 · T1059.001 · T1059.007
BINa1898516494a4db22dd59e66309129a2.emulated
SH[Command #1]T1027 · T1059.001
PS1[PowerShell Command]T1027 · T1059.001
PS1[Deobfuscated PS]
No malware configuration was found at this point.
Command (emulation JS) #1
UNKNWOWNmalicious
cmd /chuhuhuhuhuhuhuhuhuhuhu
a1898516494a4db22dd59e66309129a2
Command (emulation JS) #2
UNKNWOWNmalicious
\WOENZhuhuhuhuhuhuhuhuhuhuhu
a1898516494a4db22dd59e66309129a2
Trace d'emulation JS (ordonnee)
UNKNWOWNmalicious
#? nehuhuhuhuhuhuhuhuhuhuhu
a1898516494a4db22dd59e66309129a2
Deobfuscated PowerShell
UNKNWOWNmalicious
ehuhuhuhu
a1898516494a4db22dd59e66309129a2 › a1898516494a4db22dd59e66309129a2.emulated › [Command #1] › [PowerShell Command]
Full artefact values (URLs, paths, registry keys, scripts…) are available with Essential.
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