MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 773fc40e2f9d7576f597d501744e4397da0da71d4cbf1c05aeccf0b0e7048492. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 773fc40e2f9d7576f597d501744e4397da0da71d4cbf1c05aeccf0b0e7048492
SHA3-384 hash: 9f078a1892f7e4cec6cb30ab676208d4ac3acb96c8d4b28935b41120139764f1ac26c0f441e3f1dfcf2e5643310b23fc
SHA1 hash: 6f82a6fcd1496e32360e5e1d154f27aba2885b79
MD5 hash: b3fef8301e1992952d5a8b7ac41f4054
humanhash: diet-hamper-may-sweet
File name:cHz
Download: download sample
Signature Mirai
File size:71'056 bytes
First seen:2026-07-21 20:51:53 UTC
Last seen:2026-07-22 15:51:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:PVb27rujdQNy3b5pPCbmeT1yj3y0IcfZqWlZcSUFy1UbL3x39S:P1KruZZ3Om81yj39IcfZBflUFy1Ubz
TLSH T1D8631975BD819F16C5C56677FF1E4388331B23A8E3EA7113EA156F6137CB82A0E2A141
telfhash t1cde06873074619dc5fc0c09681ee3a584b1df0322701194ec2fc9d0434e3886fa01c08
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

Intelligence


File Origin
# of uploads :
4
# of downloads :
98
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Clean
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
87
Number of processes launched:
11
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-07-21T18:24:00Z UTC
Last seen:
2026-07-22T01:09:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=5a3cec1c-1a00-0000-add6-1f27140c0000 pid=3092 /usr/bin/sudo guuid=f3727e21-1a00-0000-add6-1f27150c0000 pid=3093 /tmp/sample.bin guuid=5a3cec1c-1a00-0000-add6-1f27140c0000 pid=3092->guuid=f3727e21-1a00-0000-add6-1f27150c0000 pid=3093 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
68 / 100
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Sample tries to set files in /etc globally writable
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1946138 Sample: cHz.elf Startdate: 21/07/2026 Architecture: LINUX Score: 68 42 129.121.114.124, 34682, 3511 ORACLE-BMC-31898-OracleCorporationUS United States 2->42 44 109.202.202.202, 80 INIT7CH Switzerland 2->44 46 3 other IPs or domains 2->46 48 Multi AV Scanner detection for submitted file 2->48 10 cHz.elf 2->10         started        12 systemd snapd-env-generator 2->12         started        14 systemd snapd-env-generator 2->14         started        16 8 other processes 2->16 signatures3 process4 process5 18 cHz.elf 10->18         started        process6 20 cHz.elf 18->20         started        process7 22 cHz.elf 20->22         started        26 cHz.elf 20->26         started        28 cHz.elf 20->28         started        30 5 other processes 20->30 file8 36 /etc/rc.local, POSIX 22->36 dropped 38 /etc/crontab, ASCII 22->38 dropped 40 /etc/cron.d/crond, ASCII 22->40 dropped 50 Sample tries to set files in /etc globally writable 22->50 52 Sample reads /proc/mounts (often used for finding a writable filesystem) 22->52 54 Sample tries to persist itself using cron 22->54 56 Sample tries to persist itself using System V runlevels 22->56 32 cHz.elf systemctl 22->32         started        34 cHz.elf systemctl 22->34         started        58 Sample tries to kill multiple processes (SIGKILL) 26->58 signatures9 process10
Threat name:
Linux.Backdoor.Mirai
Status:
Suspicious
First seen:
2026-07-21 20:52:39 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
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:Linux_Generic_Threat_e9aef030
Author:Elastic Security
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

File information


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

Web download

Mirai

elf 773fc40e2f9d7576f597d501744e4397da0da71d4cbf1c05aeccf0b0e7048492

(this sample)

  
Delivery method
Distributed via web download

Comments