MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2d77ce88624515429d7392dc7f5fc873cc2818fddda99fd736883fc0ba58bba5. 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 4 File information Comments

SHA256 hash: 2d77ce88624515429d7392dc7f5fc873cc2818fddda99fd736883fc0ba58bba5
SHA3-384 hash: 0acd3403efcb421a6c6771b04b41d00642d6d7dc9e6c35acf652d88dc2ffaae613461a18222a6f9e1771d139478b36c5
SHA1 hash: 8edd2a36f05db7031a2ff2dd250f7ef01bc9f467
MD5 hash: 9551ca17d78cb92963a372714bb4e7a1
humanhash: juliet-eight-eleven-rugby
File name:ar15.arm
Download: download sample
Signature Mirai
File size:41'636 bytes
First seen:2026-07-12 08:11:23 UTC
Last seen:2026-07-13 02:44:40 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:YrFEE/YwN7+EkbH2sOsrt+h/IbDi+nsq281te6581Bew0xUs3Uoz4:gFEExNy/bH9t+hAbDJR1teBYxxz4
TLSH T11313E1EBE19D98E0D5501C3E86748CCC3F2E9BFD5574313A115BB430B30A5AA4A65E8B
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) :41'636 bytes
File size (de-compressed) :92'244 bytes
Format:linux/arm
Unpacked file: 822030a56d574157f128e46897b9e75ddcd8aad028cd64d7442b8b636fc432c2

Intelligence


File Origin
# of uploads :
3
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-11T02:36:00Z UTC
Last seen:
2026-07-12T23:07:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=2052107f-1e00-0000-634e-a4122e140000 pid=5166 /usr/bin/sudo guuid=a367b782-1e00-0000-634e-a4122f140000 pid=5167 /tmp/sample.bin guuid=2052107f-1e00-0000-634e-a4122e140000 pid=5166->guuid=a367b782-1e00-0000-634e-a4122f140000 pid=5167 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sends malformed DNS queries
Uses dynamic DNS services
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1941138 Sample: ar15.arm.elf Startdate: 12/07/2026 Architecture: LINUX Score: 76 26 igmc.duckdns.org. [malformed] 2->26 28 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->28 30 6 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 ar15.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 40 Sends malformed DNS queries 26->40 42 Uses dynamic DNS services 26->42 process4 process5 16 ar15.arm.elf 8->16         started        18 ar15.arm.elf 8->18         started        20 ar15.arm.elf 8->20         started        process6 22 ar15.arm.elf 16->22         started        24 ar15.arm.elf 16->24         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-07-11 07:59:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
21 of 36 (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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 2d77ce88624515429d7392dc7f5fc873cc2818fddda99fd736883fc0ba58bba5

(this sample)

Comments