MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 999d56f6af03e12d76a1b270a83c190d65f4b7f7b0de9b3106421ec1d2eb8f94. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments

SHA256 hash: 999d56f6af03e12d76a1b270a83c190d65f4b7f7b0de9b3106421ec1d2eb8f94
SHA3-384 hash: 5e385edf0955f6dbaa24605b64928bf1d561c304977e5cbb5f29d41caad7e72905965a8eab95c01ad795b805d0b1b29d
SHA1 hash: ac7961cc65285f199aefc7c41aa762992e7e04d7
MD5 hash: cfba5c3536fd6c680bd6f8b2de16a3bd
humanhash: shade-muppet-beryllium-river
File name:cosmic.arm7
Download: download sample
Signature Mirai
File size:143'882 bytes
First seen:2026-01-25 09:54:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:sqlhEFZBB9qPoLmpMguHcUlVUHalw7WguH0vsfC0XxmjX5Xa/NOL9eXgIncdVW2J:sqlhEFZBTqPoLmpMguHcUlVUHalw7WgP
TLSH T151E33B85EA408A13C0D61776FAAF41493322DB55E3DB73079D189FF43FC6A9E0E26606
telfhash t114211471173596256e60ce9c99eda771122887131389ff33df3584eca50909ee63ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 002a1ea3f88ec78aaf548ae69899882238f3c5294c31dfde7f2a3518f59dde8e
File size (compressed) :52'512 bytes
File size (de-compressed) :143'882 bytes
Format:linux/arm
Packed file: 002a1ea3f88ec78aaf548ae69899882238f3c5294c31dfde7f2a3518f59dde8e

Intelligence


File Origin
# of uploads :
1
# of downloads :
42
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gcc masquerade mirai obfuscated rust
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:
2026-01-24T19:09:00Z UTC
Last seen:
2026-01-25T09:46:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=dfbec3f4-1800-0000-79b1-7fcf5b0b0000 pid=2907 /usr/bin/sudo guuid=c75f16f7-1800-0000-79b1-7fcf620b0000 pid=2914 /tmp/sample.bin guuid=dfbec3f4-1800-0000-79b1-7fcf5b0b0000 pid=2907->guuid=c75f16f7-1800-0000-79b1-7fcf620b0000 pid=2914 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-25 00:00:54 UTC
AV detection:
28 of 38 (73.68%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:sora
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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
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 999d56f6af03e12d76a1b270a83c190d65f4b7f7b0de9b3106421ec1d2eb8f94

(this sample)

  
Delivery method
Distributed via web download

Comments