MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a21448eebaef7099666c8cd8ee12f9327ef1b9e7addeaeed2eab9e7b922f2bb0. 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


Intelligence 6 IOCs YARA 2 File information Comments

SHA256 hash: a21448eebaef7099666c8cd8ee12f9327ef1b9e7addeaeed2eab9e7b922f2bb0
SHA3-384 hash: 1ce42f0d331aa5b818c2ff0e1338739e77d6d0c8041ab1c1ce1f1bad9b4db7c4e26bd4d1d363cdeaad338234afba7672
SHA1 hash: 7a72fb85523d3660c7ada942a8509174b3b65392
MD5 hash: 9dec264c17f1c55d47c6f8c9defe6895
humanhash: paris-jersey-triple-fish
File name:x86_64
Download: download sample
Signature Mirai
File size:74'992 bytes
First seen:2026-01-02 00:44:44 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 1536:nEpxhOCAeIIdwGiVE+oWBQqkBAuPTu0z9w/bnzwZ6cYgSrh:4A3IdwGnCQPAuLDxwTtgAh
TLSH T11D7312CA32E29811F4296774CD8F0178D322BA5DA96E5CD179283DE42E930967C3993F
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 UPX
File size (compressed) :74'992 bytes
File size (de-compressed) :161'304 bytes
Format:linux/amd64
Unpacked file: 153c37d21175c8d94c5623b0f8d6b493a911eb20bd322bad6a941eac8cb0d002

Intelligence


File Origin
# of uploads :
1
# of downloads :
38
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed tsunami upx
Verdict:
Unknown
File Type:
elf.64.le
First seen:
2026-01-01T19:57:00Z UTC
Last seen:
2026-01-01T20:07:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=3262149d-1800-0000-751e-8a0b15070000 pid=1813 /usr/bin/sudo guuid=94feba9e-1800-0000-751e-8a0b18070000 pid=1816 /tmp/sample.bin mprotect-exec net send-data guuid=3262149d-1800-0000-751e-8a0b15070000 pid=1813->guuid=94feba9e-1800-0000-751e-8a0b18070000 pid=1816 execve 46543d5e-6424-51ee-a3f0-096617cb92ca 91.92.240.38:443 guuid=94feba9e-1800-0000-751e-8a0b18070000 pid=1816->46543d5e-6424-51ee-a3f0-096617cb92ca send: 29B
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
22 / 100
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1843359 Sample: x86_64.elf Startdate: 02/01/2026 Architecture: LINUX Score: 22 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 91.92.240.38, 37754, 443 THEZONEBG Bulgaria 2->16 18 4 other IPs or domains 2->18 20 Sample is packed with UPX 2->20 6 dash rm 2->6         started        8 dash cut 2->8         started        10 dash tr 2->10         started        12 9 other processes 2->12 signatures3 process4
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery linux upx
Behaviour
Reads runtime system information
Changes its process name
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf a21448eebaef7099666c8cd8ee12f9327ef1b9e7addeaeed2eab9e7b922f2bb0

(this sample)

  
Delivery method
Distributed via web download

Comments