MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b7e0c98637f616cc01804b34ab1d8cdc004f7356400e4e613c4cbc609694fc4d. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b7e0c98637f616cc01804b34ab1d8cdc004f7356400e4e613c4cbc609694fc4d
SHA3-384 hash: d4230d512f1dc790075937ea4d8aec6f7be8a6e719700a90f0631c4235369a623dde13902357b23629f39f3cbf637b4b
SHA1 hash: b3d5e746efd4c3421c7204b9124753b3235b5824
MD5 hash: bba8e9b1635fef7a2ed2fdb901971219
humanhash: alaska-blue-asparagus-carbon
File name:csk_arm
Download: download sample
Signature Mirai
Create hunting rule
File size:158'336 bytes
First seen:2026-03-02 14:12:52 UTC
Last seen:2026-03-03 13:33:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:rbCZGrqjPwUUUYE4kJ0X+oTQgcBsAial4VxLAJTe79GUlMboOYPL3PjojvlAATw0:rbaGTkE+6QdBsq4z6y79GUyQM6U18Tq
TLSH T13AF30845FC518F12C6D612BBFF5E828D3B2627A8D2EE3103B9255F2C378695B0E36542
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 :
2
# of downloads :
66
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/803f80e2-4466-4561-a4fb-d49574dc2bbc/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Sanesecurity.Malware.28886.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-9441505-0
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:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
rust
Link:
https://www.filescan.io/uploads/69a59afe10e80629d4f899d6/reports/8c87f805-caa9-4356-84ee-1655476e23a9/overview
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/b7e0c98637f616cc01804b34ab1d8cdc004f7356400e4e613c4cbc609694fc4d/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/aa5b90a2-3346-4c15-8dc5-3d30d42b641c
Behavior Graph:
Download SVG
%3 guuid=f527a7c3-1900-0000-0a02-4120f50a0000 pid=2805 /usr/bin/sudo guuid=6e86f8c5-1900-0000-0a02-4120fc0a0000 pid=2812 /tmp/sample.bin guuid=f527a7c3-1900-0000-0a02-4120f50a0000 pid=2805->guuid=6e86f8c5-1900-0000-0a02-4120fc0a0000 pid=2812 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4695fab8-0638-47ca-983e-79f0f7f6fc51
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1876810
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1876810 Sample: csk_arm.elf Startdate: 02/03/2026 Architecture: LINUX Score: 100 27 imsorrydidhejustsayhislastnameisburgur.vietnamddns.com 103.253.146.163, 46170, 55555 DIGITALOCEAN-ASNUS Singapore 2->27 29 Suricata IDS alerts for network traffic 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 Antivirus / Scanner detection for submitted sample 2->33 35 4 other signatures 2->35 9 csk_arm.elf 2->9         started        11 systemd rsyslogd 2->11         started        signatures3 process4 process5 13 csk_arm.elf 9->13         started        process6 15 csk_arm.elf 13->15         started        17 csk_arm.elf 13->17         started        process7 19 csk_arm.elf 15->19         started        21 csk_arm.elf 15->21         started        23 csk_arm.elf 15->23         started        25 11 other processes 15->25
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b7e0c98637f616cc01804b34ab1d8cdc004f7356400e4e613c4cbc609694fc4d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b7e0c98637f616cc01804b34ab1d8cdc004f7356400e4e613c4cbc609694fc4d/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-03-02 14:13:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=w7qmtbrx6ylmyamajm2kwhmm3qae642wiahe4yj4js6gbfuu7rgq._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/260302-rjkaaac16e/
Malware Config
C2 Extraction:
imsorrydidhejustsayhislastnameisburgur.vietnamddns.com
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/b7e0c98637f616cc01804b34ab1d8cdc004f7356400e4e613c4cbc609694fc4d

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_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
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_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Mirai_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Mirai botnet, and there variants.
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 b7e0c98637f616cc01804b34ab1d8cdc004f7356400e4e613c4cbc609694fc4d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3788189/
  
Delivery method
Distributed via web download

Comments