MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b74396d7c4f027b3f9479f6b1dd0f95e0b306a8470a433033acd0b4072393de5. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b74396d7c4f027b3f9479f6b1dd0f95e0b306a8470a433033acd0b4072393de5
SHA3-384 hash: 5faf96c3e8ed7043f481dd858e184200e9d9621a3be3b820154c2f8b03c30ae23848ba3084f2b3c6652305e4c27238b3
SHA1 hash: a2b8c77c7b650f4cf8c1058360ed7ceb44566c09
MD5 hash: 86d4c6dbc4694ed0ed41fd205db2e975
humanhash: beryllium-cardinal-delaware-dakota
File name:zermpsl
Download: download sample
Signature Mirai
Create hunting rule
File size:65'064 bytes
First seen:2025-12-30 23:23:14 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:MRNC3TA6bv30oA059ATw1bdvCWyv/ESufo:MrKA6bvH3GRESuA
TLSH T17353C406BF650FB7EC5BDC3709E8570524CCA10A21E93B3A7934D918F64B65B0AE38B4
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 :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai
Link:
https://www.filescan.io/uploads/69545f222fb7bb52ca82b3b0/reports/7e00406e-b736-46c2-9b3a-75b84f9fe0e0/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/972f8ddc-cd06-429c-b28c-7439d20b8a46
Behavior Graph:
Download SVG
%3 guuid=2a10e905-1900-0000-316f-f34451140000 pid=5201 /usr/bin/sudo guuid=88f13a08-1900-0000-316f-f34452140000 pid=5202 /tmp/sample.bin guuid=2a10e905-1900-0000-316f-f34451140000 pid=5201->guuid=88f13a08-1900-0000-316f-f34452140000 pid=5202 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fa384dbd-96f1-4402-bd16-cff1c4d0ebb2
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1842402
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842402 Sample: zermpsl.elf Startdate: 31/12/2025 Architecture: LINUX Score: 48 18 109.202.202.202, 80 INIT7CH Switzerland 2->18 20 134.122.13.243, 39691, 53676 DIGITALOCEAN-ASNUS United States 2->20 22 4 other IPs or domains 2->22 24 Multi AV Scanner detection for submitted file 2->24 8 zermpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 zermpsl.elf 8->14         started        process6 16 zermpsl.elf 14->16         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b74396d7c4f027b3f9479f6b1dd0f95e0b306a8470a433033acd0b4072393de5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b74396d7c4f027b3f9479f6b1dd0f95e0b306a8470a433033acd0b4072393de5/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 23:24:20 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w5bznv6e6at3h6kht5vr3uhzlyfta2ueocsdgaz2zufua4rzhxsq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/251230-3dhp2s1nb1/
Behaviour
Changes its process name
Renames itself
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-9885259-0
YARA:
n/a
Link:
https://app.threat.zone/submission/2363ace1-4929-4c5c-9bf2-6aa28d368afb
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: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 b74396d7c4f027b3f9479f6b1dd0f95e0b306a8470a433033acd0b4072393de5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3739235/
  
Delivery method
Distributed via web download

Comments