MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 27a5b19d9da2cea95485b1ee78bc3b7779f026c0d58b5e0f178ae841315df9e9. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 27a5b19d9da2cea95485b1ee78bc3b7779f026c0d58b5e0f178ae841315df9e9
SHA3-384 hash: a06ce4d9f42c1cb48026bd54803095d9baf6a34b75dc75c63f086a3e92e8319c8f66e17712085f6b4cbcede3bce1b386
SHA1 hash: 1fd1e3bf9084b470fd44fe51072c5e08a1375e09
MD5 hash: 888e85de767c1b3b9b6595a9ab8e76b6
humanhash: winner-apart-hydrogen-fix
File name:sora.arm
Download: download sample
Signature Mirai
File size:69'452 bytes
First seen:2025-10-14 20:16:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:dRqCA7shu+z506mEu82prPw+70w4Y8jkMhW65g8Yn:dRqG0pjp70zY8jLr5k
TLSH T1246328827880AA26CBC0577BFA5F108E331457D8E1DAB3479C191FA076CAD1F0D6B75A
telfhash t18b41aafbcfa056dc23e59514ca8db12c4bf9791e6b413863c108969fd696682f01ec27
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e23103d61f4332c2872a8bf1c2198937bcea75dc0626f641b614ce447d5b798b
File size (compressed) :28'176 bytes
File size (de-compressed) :69'452 bytes
Format:linux/arm
Packed file: e23103d61f4332c2872a8bf1c2198937bcea75dc0626f641b614ce447d5b798b

Intelligence


File Origin
# of uploads :
1
# of downloads :
88
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-14T17:37:00Z UTC
Last seen:
2025-10-14T18:16:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=04600fae-1900-0000-f4cf-544844080000 pid=2116 /usr/bin/sudo guuid=ed842ab0-1900-0000-f4cf-54484a080000 pid=2122 /tmp/sample.bin guuid=04600fae-1900-0000-f4cf-544844080000 pid=2116->guuid=ed842ab0-1900-0000-f4cf-54484a080000 pid=2122 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
80 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1795278 Sample: sora.arm.elf Startdate: 14/10/2025 Architecture: LINUX Score: 80 42 168.253.102.121 wataniya-telecom-asDZ Algeria 2->42 44 63.243.65.54 WINDSTREAMUS United States 2->44 46 98 other IPs or domains 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus / Scanner detection for submitted sample 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Yara detected Mirai 2->54 10 sora.arm.elf 2->10         started        signatures3 process4 process5 12 sora.arm.elf 10->12         started        14 sora.arm.elf 10->14         started        16 sora.arm.elf 10->16         started        process6 18 sora.arm.elf 12->18         started        20 sora.arm.elf 12->20         started        22 sora.arm.elf 14->22         started        24 sora.arm.elf 14->24         started        26 sora.arm.elf 14->26         started        process7 28 sora.arm.elf 18->28         started        30 sora.arm.elf 18->30         started        32 sora.arm.elf 18->32         started        34 sora.arm.elf 22->34         started        36 sora.arm.elf 22->36         started        process8 38 sora.arm.elf 28->38         started        40 sora.arm.elf 28->40         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-14 20:21:41 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora
Verdict:
Malicious
Tags:
botnet mirai Unix.Dropper.Mirai-7135890-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_2
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
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

File information


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

Web download

Mirai

elf 27a5b19d9da2cea95485b1ee78bc3b7779f026c0d58b5e0f178ae841315df9e9

(this sample)

  
Delivery method
Distributed via web download

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