MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f
SHA3-384 hash: d9910e2070e95cc1f35b45ed6e74a603cd48838af73ca0f0658e0f62b26d9b9a61e7d2a239d754ab9b985e04876c14fe
SHA1 hash: b59414272af4202f66290ab4c051857b870de1e5
MD5 hash: d53fb35dda049c0fd5d0ea404bd2305a
humanhash: kansas-nebraska-kentucky-potato
File name:nwfaiehg4ewijfgriehgirehaughrarg.arm
Download: download sample
Signature Mirai
Create hunting rule
File size:40'916 bytes
First seen:2025-09-14 12:23:03 UTC
Last seen:2025-09-15 08:20:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:EnAABMhaUf7+LTXeiyZ+JZf9F6EnGhlnrgVAeM4cwACDs3Uoze:edBYaijZmZFFDSncAeawACuze
TLSH T1F403F19A827EBEF5D7301836CDE950C9B3929BB0E1A736790198D86D171070297BAF07
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 UPX
File size (compressed) :40'916 bytes
File size (de-compressed) :91'948 bytes
Format:linux/arm
Unpacked file: 0729e6598e04e70a3d468aef8efb9cdf343b1b12663254bc65e6a5152dd1e127

Intelligence

File Origin
# of uploads :
2
# of downloads :
58
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Mirai-18.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
android masquerade mirai packed threat upx
Link:
https://www.filescan.io/uploads/68c6b862b85efbb16e8eeba8/reports/d14181dd-7fee-448a-a619-f8adb8705366/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-20T10:12:00Z UTC
Last seen:
2025-08-20T10:12:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl
Link:
https://opentip.kaspersky.com/b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/2fb95cc1-86d9-4c4d-be67-874c07fe1f0b
Behavior Graph:
Download SVG
%3 guuid=ddd05301-1b00-0000-e813-266952090000 pid=2386 /usr/bin/sudo guuid=4d42b603-1b00-0000-e813-26695b090000 pid=2395 /tmp/sample.bin guuid=ddd05301-1b00-0000-e813-266952090000 pid=2386->guuid=4d42b603-1b00-0000-e813-26695b090000 pid=2395 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/b4876037-27a2-4e16-a4ba-cdad94f41f6c
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1777307
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1777307 Sample: nwfaiehg4ewijfgriehgirehaug... Startdate: 14/09/2025 Architecture: LINUX Score: 68 25 169.254.169.254, 80 USDOSUS Reserved 2->25 27 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->27 29 daisy.ubuntu.com 2->29 31 Antivirus / Scanner detection for submitted sample 2->31 33 Multi AV Scanner detection for submitted file 2->33 35 Sample is packed with UPX 2->35 10 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 10->14         started        process6 16 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 14->16         started        process7 18 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 16->18         started        process8 20 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 18->20         started        23 nwfaiehg4ewijfgriehgirehaughrarg.arm.elf 18->23         started        signatures9 37 Manipulation of devices in /dev 20->37 39 Deletes system log files 20->39
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f/
Verdict:
Malicious
Threat:
Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f
Threat name:
Linux.Trojan.Svirtu
Create hunting rule
Status:
Malicious
First seen:
2025-08-20 15:01:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 38 (52.63%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wqql2pvqrpt2i262q2mazyrw4apq4t2tp3tgzcj65ovdo5a37jxq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
Link:
https://tria.ge/reports/250914-pxm7zshr5y/
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/16ddae15-e088-4f53-a789-0290b1d86d16
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/b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f

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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

sh c0dfdacb0cd75b71c9ad81cb6cb9228798e8788910cc9f98a1e524824fc3f288

Mirai

elf b420bd3eb08be7a46bda86980ce236e01f0e4f537ee66c893eebaa37741bfa6f

(this sample)

Mirai

elf 0729e6598e04e70a3d468aef8efb9cdf343b1b12663254bc65e6a5152dd1e127

  
URLhaus
https://urlhaus.abuse.ch/url/3623930/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3623929/
  
Dropping
SHA256 0729e6598e04e70a3d468aef8efb9cdf343b1b12663254bc65e6a5152dd1e127
  
Dropping
MD5 3015ed2856f8a50ae2122b8286baf2fd
  
Dropped by
SHA256 c0dfdacb0cd75b71c9ad81cb6cb9228798e8788910cc9f98a1e524824fc3f288
  
Dropped by
MD5 763563fc4063ddf07c9857e9322d6d78
  
Dropped by
SHA256 bcecfd3f685154861d529f149eb17eee4fedad92b5fec163fc2c20f25fe60922
  
Dropped by
MD5 da028458d3dfc15bcd8f0c5765ddb939
  
Dropped by
SHA256 c4740e23441ee28ea7661f8cab09e66a4e87bd28da2fa5ca19865505b825677e
  
Dropped by
MD5 502c3b6a6965a947d2f77ae9cf5e40f3
  
URLhaus
https://urlhaus.abuse.ch/url/3623959/
  
URLhaus
https://urlhaus.abuse.ch/url/3623975/
  
URLhaus
https://urlhaus.abuse.ch/url/3623976/

Comments