MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9a5b41814e1a4caf5c42ae7622316ed49dc10060ab189f68fa33ef4ac459abe2. 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: 8


Intelligence 8 IOCs YARA 2 File information Comments

SHA256 hash: 9a5b41814e1a4caf5c42ae7622316ed49dc10060ab189f68fa33ef4ac459abe2
SHA3-384 hash: 0d43a7147564e3e343af56328ba079678100043379a5a9f38b308a08c34ddbd8f89f1c9578247caba7277fb9ea043008
SHA1 hash: aa70b36f5ea73521d8c6cc59254fac2649df7d00
MD5 hash: 23bcda3564bc2adba4713f6ada1ea2a5
humanhash: queen-kansas-leopard-red
File name:johen.arm
Download: download sample
Signature Mirai
File size:41'628 bytes
First seen:2026-01-12 11:51:41 UTC
Last seen:2026-01-14 08:03:36 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:+t7bV6m0zw86qK9JGRgbUzrskZYIHZke+CkFWjq9yLE/9S2m2J4CJEs3Uozs:+T30N6/JGNz38P/WqYElSI4CJhzs
TLSH T16B13F1613A6F6D30E874D5B0F768C1912A8321F1D3EE20367614A5A5409AE4B3BFE58B
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 UPX
File size (compressed) :41'628 bytes
File size (de-compressed) :92'248 bytes
Format:linux/arm
Unpacked file: 3f8255a5171dd83c2f1d8deddb2184f730ee8e94e3eb6b7e665a6889f956fe1a

Intelligence


File Origin
# of uploads :
3
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T05:25:00Z UTC
Last seen:
2026-01-14T00:38:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=03451ee0-1800-0000-9f30-9f81120a0000 pid=2578 /usr/bin/sudo guuid=bf2b7fe2-1800-0000-9f30-9f811c0a0000 pid=2588 /tmp/sample.bin guuid=03451ee0-1800-0000-9f30-9f81120a0000 pid=2578->guuid=bf2b7fe2-1800-0000-9f30-9f811c0a0000 pid=2588 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849049 Sample: johen.arm.elf Startdate: 12/01/2026 Architecture: LINUX Score: 64 22 botnet.rehannnap.my.id. [malformed] 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Yara detected Mirai 2->30 32 Sample is packed with UPX 2->32 8 johen.arm.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Sends malformed DNS queries 22->34 process4 process5 12 johen.arm.elf 8->12         started        14 johen.arm.elf 8->14         started        16 johen.arm.elf 8->16         started        process6 18 johen.arm.elf 12->18         started        20 johen.arm.elf 12->20         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-11 08:27:00 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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 9a5b41814e1a4caf5c42ae7622316ed49dc10060ab189f68fa33ef4ac459abe2

(this sample)

  
Delivery method
Distributed via web download

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