MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1a8fda33b529805f19b821128bd84a80883c50fa93a2923ae3a6b185a6526a9. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: f1a8fda33b529805f19b821128bd84a80883c50fa93a2923ae3a6b185a6526a9
SHA3-384 hash: 2f96ed3744686df0dc55b10282733edef9460803afcc0dc3ae47f6256d7c6c3778fac28e9a1f804b067e5307ec2e293c
SHA1 hash: ce727029675a0028766f93797de7c7d75b9586dd
MD5 hash: e78d147056b4b5bee79be84d70d12615
humanhash: whiskey-equal-table-grey
File name:catgirl.armv5
Download: download sample
Signature Mirai
File size:83'244 bytes
First seen:2026-01-12 04:52:23 UTC
Last seen:2026-01-12 06:24:04 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:3EWYislozMX5oA5aiiyi544C/42nO2NZckisWM4AFpoelv89OOH9OBIr:3ECzMX5P5aL54OoZosaANvq/
TLSH T191831955F890DA62C6E025BAFB5D528C33631B74D2DE71029D24BB3537FB95A0F3A802
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
3
# of downloads :
67
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Sends data to a server
Receives data from a server
Runs as daemon
DNS request
Substitutes an application name
Deleting of the original file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc mirai rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-12T00:25:00Z UTC
Last seen:
2026-01-13T04:34:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=2b350d41-1a00-0000-536d-4f111c090000 pid=2332 /usr/bin/sudo guuid=357cc542-1a00-0000-536d-4f1123090000 pid=2339 /tmp/sample.bin guuid=2b350d41-1a00-0000-536d-4f111c090000 pid=2332->guuid=357cc542-1a00-0000-536d-4f1123090000 pid=2339 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1848741 Sample: catgirl.armv5.elf Startdate: 12/01/2026 Architecture: LINUX Score: 52 16 dj6q.ignorelist.com 212.11.64.209, 21, 58382 CALYPSO-ITDE United Kingdom 2->16 18 54.217.10.153, 34590, 443 AMAZON-02US United States 2->18 20 Multi AV Scanner detection for submitted file 2->20 7 catgirl.armv5.elf 2->7         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 signatures5 22 Sample deletes itself 7->22 14 catgirl.armv5.elf 7->14         started        process6
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-12 02:50:07 UTC
File Type:
ELF32 Little (SO)
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:elf_arm_mips_ko_so
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f1a8fda33b529805f19b821128bd84a80883c50fa93a2923ae3a6b185a6526a9

(this sample)

  
Delivery method
Distributed via web download

Comments