MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a9e36e6d5c7b89b86270b0ea4d1363cd83e1f8efdabd7331c76ce3e1c64a3539. 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 2 File information Comments

SHA256 hash: a9e36e6d5c7b89b86270b0ea4d1363cd83e1f8efdabd7331c76ce3e1c64a3539
SHA3-384 hash: 31cf2ca8675d5bfe2240ffe5e7166db15b5e3a603d916a1f41c7eadeb45e482f8657d3a60418b200f4af7a22bad288f9
SHA1 hash: fe8fbcda97fc316702b66db468beab180ecadd3d
MD5 hash: fce628beeb0095872824d95ec1a17326
humanhash: hotel-red-friend-cold
File name:shadow.arm7
Download: download sample
Signature Mirai
File size:95'472 bytes
First seen:2025-12-23 12:13:58 UTC
Last seen:2025-12-24 13:57:36 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:aGne3Ck97cCVPv5YEuWHA17BFuwxRiX6va6gGPs5x/ZmlMyFTif8cxuo/:TkhOTWHA17B9a6gGPs5ui8sP
TLSH T1F393C559E9828A02D4D816FBBB5F119D33572768F3EE3202CD205B24778AB5B0F73A51
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
41
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-23T13:23:00Z UTC
Last seen:
2025-12-24T09:59:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=bed75ba7-1900-0000-f2a1-c18266140000 pid=5222 /usr/bin/sudo guuid=b3081da9-1900-0000-f2a1-c18267140000 pid=5223 /tmp/sample.bin guuid=bed75ba7-1900-0000-f2a1-c18266140000 pid=5222->guuid=b3081da9-1900-0000-f2a1-c18267140000 pid=5223 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
48 / 100
Signature
Performs DNS TXT record lookups
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1838188 Sample: shadow.arm7.elf Startdate: 23/12/2025 Architecture: LINUX Score: 48 18 kurol.io 2->18 20 81.88.18.108, 43236, 6767 LEVEL3US Germany 2->20 9 shadow.arm7.elf 2->9         started        signatures3 22 Performs DNS TXT record lookups 18->22 process4 signatures5 24 Sample deletes itself 9->24 12 shadow.arm7.elf 9->12         started        process6 process7 14 shadow.arm7.elf 12->14         started        process8 16 shadow.arm7.elf 14->16         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-23 13:17:41 UTC
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery upx
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
Unexpected DNS network traffic destination
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-1
YARA:
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:Linux_Generic_Threat_8299c877
Author:Elastic Security
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 a9e36e6d5c7b89b86270b0ea4d1363cd83e1f8efdabd7331c76ce3e1c64a3539

(this sample)

  
Delivery method
Distributed via web download

Comments