MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e. 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: 14


Intelligence 14 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e
SHA3-384 hash: 1ff2507621c014c39120555ed5a95d84dcb01d78a8af1c843a115d0b2784bfca197020f4d27572ae2b332aa8fc65bbd7
SHA1 hash: f895206d89d3f1157c59cffac5d47697eea3eadd
MD5 hash: f82eb845ebe591b6679d9039bc86ca17
humanhash: nitrogen-mirror-item-fish
File name:ub8ehJSePAfc9FYqZIT6.i686
Download: download sample
Signature Mirai
Create hunting rule
File size:138'212 bytes
First seen:2026-01-09 20:07:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:TPcM+ArhwrzEXlXqwFApk3IjI6GGL9VfdnVX7xBf1u5y:YPA9wrzEVXxApJZJ75Lfg5
TLSH T1EED35B85FA87C5F2D84708306026F73FDF31A9B580B9DA5DEF944F31CA23A029616799
telfhash t1255134ba7b7a0de967d09803d30e6b30fd0de77b286425b304f31674226a94194bbd39
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 de6368733509a99bf7907b39bfd300b47671517227da7649338b1f46fcecd144
File size (compressed) :55'764 bytes
File size (de-compressed) :138'212 bytes
Format:linux/i386
Packed file: de6368733509a99bf7907b39bfd300b47671517227da7649338b1f46fcecd144

Intelligence

File Origin
# of uploads :
1
# of downloads :
55
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
Link:
https://research.acce.ciphertechsolutions.com/results/0446d612-389e-4c19-9c16-5cacabe22025/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136013-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Dropper.Mirai-7136057-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Trojan.Mirai-9441505-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Unix.Trojan.Mirai-10011027-0
Create hunting rule

Unix.Trojan.Mirai-10011918-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Locks files
Sends data to a server
DNS request
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
masquerade
Link:
https://www.filescan.io/uploads/696160401a20a4c87b1a18be/reports/7ce6119a-9683-40b2-aed1-6e303d5b794c/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-09T17:16:00Z UTC
Last seen:
2026-01-09T17:45:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.h
Link:
https://opentip.kaspersky.com/981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/376d23d7-4205-4590-acc6-b7e6c997bbae
Behavior Graph:
Download SVG
%3 guuid=719550ee-1700-0000-bf1e-e413860b0000 pid=2950 /usr/bin/sudo guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956 /tmp/sample.bin net guuid=719550ee-1700-0000-bf1e-e413860b0000 pid=2950->guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=b7efe7f1-1700-0000-bf1e-e4138d0b0000 pid=2957 /tmp/sample.bin guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->guuid=b7efe7f1-1700-0000-bf1e-e4138d0b0000 pid=2957 clone guuid=0c4014f2-1700-0000-bf1e-e4138f0b0000 pid=2959 /tmp/sample.bin guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->guuid=0c4014f2-1700-0000-bf1e-e4138f0b0000 pid=2959 clone guuid=73c7cd2d-1800-0000-bf1e-e413b40b0000 pid=2996 /tmp/sample.bin delete-file guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->guuid=73c7cd2d-1800-0000-bf1e-e413b40b0000 pid=2996 clone guuid=84a2735b-1900-0000-bf1e-e413bd0b0000 pid=3005 /tmp/sample.bin guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->guuid=84a2735b-1900-0000-bf1e-e413bd0b0000 pid=3005 clone guuid=e15b2397-1900-0000-bf1e-e413bf0b0000 pid=3007 /tmp/sample.bin guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->guuid=e15b2397-1900-0000-bf1e-e413bf0b0000 pid=3007 clone guuid=bf5dd2d2-1900-0000-bf1e-e413c00b0000 pid=3008 /tmp/sample.bin guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->guuid=bf5dd2d2-1900-0000-bf1e-e413c00b0000 pid=3008 clone guuid=792aded2-1900-0000-bf1e-e413c10b0000 pid=3009 /tmp/sample.bin dns net send-data zombie guuid=c85b7bf1-1700-0000-bf1e-e4138c0b0000 pid=2956->guuid=792aded2-1900-0000-bf1e-e413c10b0000 pid=3009 clone guuid=227504f2-1700-0000-bf1e-e4138e0b0000 pid=2958 /tmp/sample.bin guuid=b7efe7f1-1700-0000-bf1e-e4138d0b0000 pid=2957->guuid=227504f2-1700-0000-bf1e-e4138e0b0000 pid=2958 clone guuid=3040ec2d-1800-0000-bf1e-e413b50b0000 pid=2997 /tmp/sample.bin guuid=73c7cd2d-1800-0000-bf1e-e413b40b0000 pid=2996->guuid=3040ec2d-1800-0000-bf1e-e413b50b0000 pid=2997 clone guuid=c37f9969-1800-0000-bf1e-e413b80b0000 pid=3000 /tmp/sample.bin guuid=73c7cd2d-1800-0000-bf1e-e413b40b0000 pid=2996->guuid=c37f9969-1800-0000-bf1e-e413b80b0000 pid=3000 clone guuid=f39043a5-1800-0000-bf1e-e413ba0b0000 pid=3002 /tmp/sample.bin guuid=73c7cd2d-1800-0000-bf1e-e413b40b0000 pid=2996->guuid=f39043a5-1800-0000-bf1e-e413ba0b0000 pid=3002 clone guuid=47254ba5-1800-0000-bf1e-e413bb0b0000 pid=3003 /tmp/sample.bin dns net send-data zombie guuid=73c7cd2d-1800-0000-bf1e-e413b40b0000 pid=2996->guuid=47254ba5-1800-0000-bf1e-e413bb0b0000 pid=3003 clone guuid=47254ba5-1800-0000-bf1e-e413bb0b0000 pid=3003->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=47254ba5-1800-0000-bf1e-e413bb0b0000 pid=3003->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1482B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=47254ba5-1800-0000-bf1e-e413bb0b0000 pid=3003->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 195B guuid=792aded2-1900-0000-bf1e-e413c10b0000 pid=3009->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=792aded2-1900-0000-bf1e-e413c10b0000 pid=3009->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1482B guuid=792aded2-1900-0000-bf1e-e413c10b0000 pid=3009->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 195B
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f3127646-bc4f-4209-a1c7-8c20a7f6c363
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1847614
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847614 Sample: ub8ehJSePAfc9FYqZIT6.i686.elf Startdate: 09/01/2026 Architecture: LINUX Score: 100 76 109.202.202.202, 80 INIT7CH Switzerland 2->76 78 weifang.serveftp.com 45.83.207.173, 3778, 42946, 42948 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->78 80 5 other IPs or domains 2->80 86 Found malware configuration 2->86 88 Malicious sample detected (through community Yara rule) 2->88 90 Antivirus / Scanner detection for submitted sample 2->90 92 3 other signatures 2->92 11 systemd gdm3 2->11         started        13 ub8ehJSePAfc9FYqZIT6.i686.elf 2->13         started        15 systemd gpu-manager 2->15         started        17 19 other processes 2->17 signatures3 process4 signatures5 20 gdm3 gdm-session-worker 11->20         started        32 3 other processes 11->32 22 ub8ehJSePAfc9FYqZIT6.i686.elf 13->22         started        24 ub8ehJSePAfc9FYqZIT6.i686.elf 13->24         started        34 5 other processes 13->34 26 gpu-manager sh 15->26         started        36 7 other processes 15->36 82 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->82 84 Reads system files that contain records of logged in users 17->84 28 accounts-daemon language-validate 17->28         started        30 generate-config pkill 17->30         started        process6 process7 38 gdm-session-worker gdm-x-session 20->38         started        40 ub8ehJSePAfc9FYqZIT6.i686.elf 22->40         started        53 4 other processes 24->53 43 sh grep 26->43         started        45 language-validate language-options 28->45         started        47 sh grep 36->47         started        49 sh grep 36->49         started        51 sh grep 36->51         started        55 4 other processes 36->55 signatures8 57 gdm-x-session dbus-daemon 38->57         started        60 gdm-x-session Xorg Xorg.wrap Xorg 38->60         started        94 Sample tries to kill a massive number of system processes 40->94 96 Sample tries to kill multiple processes (SIGKILL) 40->96 62 language-options sh 45->62         started        process9 signatures10 98 Sample reads /proc/mounts (often used for finding a writable filesystem) 57->98 64 dbus-daemon 57->64         started        66 Xorg sh 60->66         started        68 sh locale 62->68         started        70 sh grep 62->70         started        process11 process12 72 dbus-daemon false 64->72         started        74 sh xkbcomp 66->74         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-09 20:08:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=tan4vfb67twg4eraogxmc3ehjnrloxynj5rrhuddndpazng4xfha._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai defense_evasion discovery linux
Link:
https://tria.ge/reports/260109-yws7aagy8a/
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Mirai-7100807-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Mirai_268aac0b Linux_Trojan_Mirai_0cb1699c Linux_Trojan_Mirai_70ef58f1 Linux_Trojan_Mirai_485c4b13 Linux_Trojan_Mirai_7d05725e Linux_Trojan_Mirai_2e3f67a9 Linux_Trojan_Mirai_0d73971c Linux_Trojan_Mirai_88de437f Linux_Trojan_Mirai_cc93863b Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/64dba6b9-3c03-4e28-8164-9b15acc91b46
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e

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:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0cb1699c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_0d73971c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_268aac0b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_2e3f67a9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_485c4b13
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_70ef58f1
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_7d05725e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Create hunting rule
Author:Elastic Security
Rule name:SUSP_XORed_Mozilla_Oct19
Create hunting rule
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
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 de6368733509a99bf7907b39bfd300b47671517227da7649338b1f46fcecd144

Mirai

elf 981bca943efcec6e122071aec16c874b62b75f0d4f6313d06368de0cb4dcb94e

(this sample)

  
Dropped by
SHA256 de6368733509a99bf7907b39bfd300b47671517227da7649338b1f46fcecd144
  
URLhaus
https://urlhaus.abuse.ch/url/3753590/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 ec67a95de8de3e70a2b49c6c050f728a

Comments