MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd4d88108764849a402229e2da85649d8eeb1aa960ae87a7fc7387812689a3d5. 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 7 File information Comments

SHA256 hash: fd4d88108764849a402229e2da85649d8eeb1aa960ae87a7fc7387812689a3d5
SHA3-384 hash: 98e59680c3c604fab888614fc191df38a440081f26883716188bdbb5f2afbb07cd002424530c3c176cd7f536812b7d68
SHA1 hash: 8889f9a718145efcb367e01cb04483d3ccd40445
MD5 hash: df3d57c388bd4306e718e0f8a6e870d7
humanhash: stream-avocado-east-friend
File name:kvariant.arm7
Download: download sample
Signature Mirai
File size:177'902 bytes
First seen:2025-10-24 04:25:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:DMah2zdacWa0eNFbM69jUpdoHrkjpMBkvqzXJaO72M/9IRiUtImNw4fHxwd4C:z2ZFWa0iFbM69jULoBBkvqjJaO6M/9FH
TLSH T1DA043B46E6819B17C1C21B7BFA9F424633239B58D3DB330695286BF43F8779A0E27506
telfhash t161315365167a851a6b62eddc9dddabf1111d87133283fe33ff3289ac5022046d82ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
40
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Runs as daemon
DNS request
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade obfuscated opendir opendir rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-24T01:32:00Z UTC
Last seen:
2025-10-25T10:29:00Z UTC
Hits:
~100
Detections:
HEUR:Exploit.Linux.CVE-2017-17215.a HEUR:Backdoor.Linux.Gafgyt.ge HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=c178f4c5-1700-0000-d6e8-98e5360c0000 pid=3126 /usr/bin/sudo guuid=82145ac8-1700-0000-d6e8-98e53e0c0000 pid=3134 /tmp/sample.bin guuid=c178f4c5-1700-0000-d6e8-98e5360c0000 pid=3126->guuid=82145ac8-1700-0000-d6e8-98e53e0c0000 pid=3134 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many IPs within the same subnet mask (likely port scanning)
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801040 Sample: kvariant.arm7.elf Startdate: 24/10/2025 Architecture: LINUX Score: 92 25 209.19.249.175, 23 XO-AS15US United States 2->25 27 156.100.79.221 XNSTGCA United States 2->27 29 99 other IPs or domains 2->29 31 Suricata IDS alerts for network traffic 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 Multi AV Scanner detection for submitted file 2->35 37 4 other signatures 2->37 9 kvariant.arm7.elf 2->9         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 process5 17 kvariant.arm7.elf 9->17         started        process6 19 kvariant.arm7.elf 17->19         started        process7 21 kvariant.arm7.elf 19->21         started        23 kvariant.arm7.elf 19->23         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-24 04:26:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery
Behaviour
Reads runtime system information
Changes its process name
Contacts a large (37090) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 fd4d88108764849a402229e2da85649d8eeb1aa960ae87a7fc7387812689a3d5

(this sample)

  
Delivery method
Distributed via web download

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