MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ca990677f4d806eab84ace0ae3a1e4c0c10173dd7722314b9074effb64236925. 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: 10


Intelligence 10 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ca990677f4d806eab84ace0ae3a1e4c0c10173dd7722314b9074effb64236925
SHA3-384 hash: e403d3c201bbf523c8ec4d93e0be1406304d798119bfe7d219d3d93a7973eb159950a798836f00927f210e2430d2ade4
SHA1 hash: d29a82974ab24ff0d1a2fa63bf2513b77ca22871
MD5 hash: 1eea7cc07cc70c099b41a8e9747b81c9
humanhash: twelve-friend-failed-xray
File name:nullnet_load.arm7
Download: download sample
Signature Mirai
Create hunting rule
File size:157'015 bytes
First seen:2026-02-04 07:26:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:J5tQmxVagaEWnPmOYqpwVJJjoSWQcfhcwUfOJquM/9Lvr8l:TvxVwEWPT6JjoSWQuhUfOIuM/9Lvr8l
TLSH T16DE35D86EA408A13C4C61776FAAF414D33229759E3EB73068D185FF43FC6A5E0E27646
telfhash t164212675173656291e61cd5889ed63b6062c93172345ef33df35849c60190def53ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
32
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
Link:
https://research.acce.ciphertechsolutions.com/results/534620ac-0034-449c-8e95-66ff00af5fe9/
Detection(s):
Sanesecurity.Malware.29524.LC.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7135925-0
Create hunting rule

Unix.Trojan.Mirai-7135937-0
Create hunting rule

Unix.Dropper.Mirai-7136014-0
Create hunting rule

Unix.Dropper.Mirai-7355719-0
Create hunting rule

Unix.Trojan.Mirai-9760303-0
Create hunting rule

Unix.Dropper.Mirai-9977145-0
Create hunting rule

Unix.Trojan.Mirai-1
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Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc masquerade mirai rust
Link:
https://www.filescan.io/uploads/6982f4a5981ff1d38a47ad88/reports/382bcbe2-1009-4a22-8b51-4fb67f42b0cd/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
91.92.241.116/bins
Number of open files:
23
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
37215,2323,23
Full report:
https://elfdigest.com/brief/ca990677f4d806eab84ace0ae3a1e4c0c10173dd7722314b9074effb64236925
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2b8819cd-205c-4888-80a7-c83bbd3ef8e2
Behavior Graph:
Download SVG
%3 guuid=901d5fcb-1a00-0000-ecd7-7ff78b0d0000 pid=3467 /usr/bin/sudo guuid=f16e31cd-1a00-0000-ecd7-7ff7920d0000 pid=3474 /tmp/sample.bin guuid=901d5fcb-1a00-0000-ecd7-7ff78b0d0000 pid=3467->guuid=f16e31cd-1a00-0000-ecd7-7ff7920d0000 pid=3474 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/630b7098-624e-4a43-afbd-35b84ce3535c
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1863050
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1863050 Sample: nullnet_load.arm7.elf Startdate: 04/02/2026 Architecture: LINUX Score: 88 22 197.190.151.123 zain-asGH Ghana 2->22 24 197.191.86.192 zain-asGH Ghana 2->24 26 99 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Antivirus / Scanner detection for submitted sample 2->30 32 Multi AV Scanner detection for submitted file 2->32 34 3 other signatures 2->34 8 nullnet_load.arm7.elf 2->8         started        signatures3 process4 process5 10 nullnet_load.arm7.elf 8->10         started        12 nullnet_load.arm7.elf 8->12         started        process6 14 nullnet_load.arm7.elf 10->14         started        16 nullnet_load.arm7.elf 10->16         started        18 nullnet_load.arm7.elf 10->18         started        20 nullnet_load.arm7.elf 10->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ca990677f4d806eab84ace0ae3a1e4c0c10173dd7722314b9074effb64236925
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/ca990677f4d806eab84ace0ae3a1e4c0c10173dd7722314b9074effb64236925/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-02-04 07:27:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
24 of 36 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zkmqm57u3adovockzyfohipeydaqc465o4rdcs4qotx7wzbdnesq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:ecchi credential_access defense_evasion discovery upx
Link:
https://tria.ge/reports/260204-h9n7gshs8f/
Behaviour
Changes its process name
Reads process memory
Modifies Watchdog functionality
Contacts a large (70227) amount of remote hosts
Creates a large amount of network flows
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ca990677f4d806eab84ace0ae3a1e4c0c10173dd7722314b9074effb64236925

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
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:CVE_2017_17215
Create hunting rule
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_8299c877
Create hunting rule
Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Create hunting rule
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Create hunting rule
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 ca990677f4d806eab84ace0ae3a1e4c0c10173dd7722314b9074effb64236925

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3771970/
  
Delivery method
Distributed via web download

Comments