MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84e7992ca8a16ed14fbd523abd823a3f84a6dceb1ec31bd5d59e7e5eb3c08113. 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 15 File information Comments

SHA256 hash: 84e7992ca8a16ed14fbd523abd823a3f84a6dceb1ec31bd5d59e7e5eb3c08113
SHA3-384 hash: c868d820d40fc333b30e11827396a400c13a86c3c1f440ae6be667bbb9bc16674bbad18e4a4c00ff4ea7bacedfd3adb4
SHA1 hash: d43b234a9c5db0516b5dc1a47d0f5be391af922a
MD5 hash: 63fbceee72ecd6eb1b6d214207d0d193
humanhash: hydrogen-nuts-apart-mike
File name:ciubuc_ppc
Download: download sample
Signature Mirai
File size:2'712'524 bytes
First seen:2026-05-02 17:55:15 UTC
Last seen:2026-05-03 11:32:17 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:RYOeQJV2wp0cylb6hTZQ1UQTBFPVW5lGuoHrsXMa+H/bvPfNHLj:RYO5JVnp0c+b6hTZqnBtVW5lGuoHrsc9
TLSH T1DCC55C027B1E09C7F1A71DB0263F17E9C7AE8AD631F8F186154EA9CA1375E3012467DA
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
66
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Sends data to a server
Receives data from a server
Creating a file
Changes access rights for a file
Runs as daemon
Sets a written file as executable
Opens a port
Connection attempt
Changes access rights for a written file
Accesses SSH
Traces processes
Substitutes an application name
Deletes a system binary file
Deleting of the original file
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
base64
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-05-02T14:58:00Z UTC
Last seen:
2026-05-02T15:25:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=0781971e-1b00-0000-d0fc-80d5880b0000 pid=2952 /usr/bin/sudo guuid=64e2cb20-1b00-0000-d0fc-80d58d0b0000 pid=2957 /tmp/sample.bin guuid=0781971e-1b00-0000-d0fc-80d5880b0000 pid=2952->guuid=64e2cb20-1b00-0000-d0fc-80d58d0b0000 pid=2957 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1907685 Sample: ciubuc_ppc.elf Startdate: 02/05/2026 Architecture: LINUX Score: 92 29 159.155.32.64 WHIRLPOOL-ASNUS United States 2->29 31 200.83.24.95 VTRBANDAANCHASACL Chile 2->31 33 98 other IPs or domains 2->33 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 2 other signatures 2->45 8 ciubuc_ppc.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 47 Sample deletes itself 8->47 15 ciubuc_ppc.elf 8->15         started        process6 process7 17 ciubuc_ppc.elf 15->17         started        20 ciubuc_ppc.elf 15->20         started        23 ciubuc_ppc.elf 15->23         started        25 3 other processes 15->25 file8 35 Manipulation of devices in /dev 17->35 37 Deletes system log files 17->37 27 /memfd:httpd (deleted), ELF 20->27 dropped signatures9
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-05-02 17:55:55 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 36 (33.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet linux
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:BLOWFISH_Constants
Author:phoul (@phoul)
Description:Look for Blowfish constants
Rule name:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:WHIRLPOOL_Constants
Author:phoul (@phoul)
Description:Look for WhirlPool constants

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf 84e7992ca8a16ed14fbd523abd823a3f84a6dceb1ec31bd5d59e7e5eb3c08113

(this sample)

  
Delivery method
Distributed via web download

Comments