MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ffa2591c5c51a3a8186e141da0d700bf763a606e1557a2e54bd2a257f113d723. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.
Database Entry
Mirai
Vendor detections: 6
| SHA256 hash: | ffa2591c5c51a3a8186e141da0d700bf763a606e1557a2e54bd2a257f113d723 |
|---|---|
| SHA3-384 hash: | 12c94f17099fd17d16f200c956f7ba8366cd3d6fca5489ec081568d1ad5fd54b3cabe3d345ee387f49a46c580c1f1ec8 |
| SHA1 hash: | b2b91c4d82ce392da2a36c2f13b6e0fff5bf5161 |
| MD5 hash: | 8e3b253c127ff6ff289f007a4077d6ed |
| humanhash: | california-quiet-five-lion |
| File name: | sys64.x86 |
| Download: | download sample |
| Signature | Mirai |
| File size: | 411'624 bytes |
| First seen: | 2026-08-11 14:08:54 UTC |
| Last seen: | Never |
| File type: | elf |
| MIME type: | application/x-executable |
| ssdeep | 6144:RorCZf800dPDNQ/MY7t1If/oZUb1YEjZr773jWkf2QMKZ3ZB7p2ZgtWUtiJ:RorPC0aIf/hb1Y4773jWE3bRUii |
| TLSH | T1CE944B42E7E3D4F5F85209B1446B632A4A379D399037DF57EB962A22AC31741C72B32C |
| telfhash | t1d2f1adb23a7d0ded67d09a02d34a2b16ed1ad6b754e831b204f316d93177e429eb1c34 |
| TrID | 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12) 49.8% (.O) ELF Executable and Linkable format (generic) (4000/1) |
| Magika | elf |
| Reporter |  abuse_ch |
| Tags: | elf mirai |
Intelligence
File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DEVendor Threat Intelligence
No detections
Detection(s):
Result
Verdict:
Clean
Maliciousness:
Behaviour
Runs as daemon
Verdict:
Unknown
Threat level:
0/10
Confidence:
100%
Tags:
masquerade
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-11T11:48:00Z UTC
Last seen:
2026-08-12T02:37:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
Verdict:
Unknown
Result
Threat name:
Mirai
Detection:
malicious
Classification:
troj.spyw
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Yara detected Mirai
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
ELF
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-11 14:21:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
n/a
Score:
7/10
Tags:
antivm credential_access defense_evasion discovery linux persistence
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Reads network interface configuration
Modifies PAM framework files
Unexpected DNS network traffic destination
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.26
YARA Signatures
MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.
| Rule name: | BLOWFISH_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for Blowfish constants |
| Rule name: | ELF_Toriilike_persist |
|---|---|
| Author: | 4r4 |
| Description: | Detects Torii IoT Botnet (stealthier Mirai alternative) |
| Reference: | Identified via researched data |
| Rule name: | linux_generic_ipv6_catcher |
|---|---|
| Author: | @_lubiedo |
| Description: | ELF samples using IPv6 addresses |
| Rule name: | Linux_Trojan_Gafgyt_5bf62ce4 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_389ee3e9 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_5f7b67b8 |
|---|---|
| Author: | Elastic Security |
| Rule name: | Linux_Trojan_Mirai_cc93863b |
|---|---|
| Author: | Elastic Security |
| Rule name: | MD5_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for MD5 constants |
| Rule name: | RIPEMD160_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for RIPEMD-160 constants |
| Rule name: | SHA1_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA1 constants |
| Rule name: | SHA512_Constants |
|---|---|
| Author: | phoul (@phoul) |
| Description: | Look for SHA384/SHA512 constants |
| Rule name: | SUSP_XORed_Mozilla_Oct19 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key. |
| Reference: | https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force() |
| Rule name: | SUSP_XORed_Mozilla_RID2DB4 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects suspicious XORed keyword - Mozilla/5.0 |
| Reference: | Internal Research |
| Rule name: | TH_Generic_MassHunt_Linux_Malware_2026_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Linux malware mass-hunt rule - 2026 |
| Reference: | https://cyfare.net/ |
| Rule name: | VPNFilter |
|---|---|
| Author: | Christiaan Beek @ McAfee Advanced Threat Research |
| Description: | Filter for 2nd stage malware used in VPNfilter attack |
| Reference: | https://blog.talosintelligence.com/2018/05/VPNFilter.html |
| Rule name: | VPNFilterStage3PluginTor |
|---|
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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