MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4b1975ada28b892fd1b2ea2b4527e1764c29b342070afaa49fac6d68a0dafa76. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 4b1975ada28b892fd1b2ea2b4527e1764c29b342070afaa49fac6d68a0dafa76
SHA3-384 hash: 1fcb8e55d6f60729f4cf4ed6a0d7be0833d02b21381503484588032a0063e422083296f72351f4d9b048ca5f44b0fc33
SHA1 hash: a69a4ea4db5682189037b0ad5f900149d1e0fcdd
MD5 hash: 58855dd8bb8780459748c73c935d1df1
humanhash: angel-grey-sink-saturn
File name:parm
Download: download sample
Signature Mirai
File size:80'960 bytes
First seen:2026-06-20 03:46:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:UUIt/nYFhRC83CkSKe0bf+TlJ9B27skUvf/e7KSRiFvbWPT6G++BLcWMBrzb:IlnYJjS4Vf+h1Bkh4vbWPm+BLcdBrv
TLSH T1DD83024209839DAAC35046F9D74644F3BFAA11F8F9287052987FC7E8AC57650EFF8906
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) :80'960 bytes
File size (de-compressed) :214'336 bytes
Format:linux/arm
Unpacked file: e1f9d07a1288535d8a729f92e5be8bc0669c5214c2bc7e966bd0c2c0d78bb0a9

Intelligence


File Origin
# of uploads :
1
# of downloads :
54
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
61
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-20T01:43:00Z UTC
Last seen:
2026-06-20T02:13:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=859ff16f-1b00-0000-5863-217ae90a0000 pid=2793 /usr/bin/sudo guuid=d67eef71-1b00-0000-5863-217aef0a0000 pid=2799 /tmp/sample.bin guuid=859ff16f-1b00-0000-5863-217ae90a0000 pid=2793->guuid=d67eef71-1b00-0000-5863-217aef0a0000 pid=2799 execve
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample is packed with UPX
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1931276 Sample: parm.elf Startdate: 20/06/2026 Architecture: LINUX Score: 96 19 62.60.159.184, 18129, 42414 AEZA-ASRU Sweden 2->19 21 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->21 23 daisy.ubuntu.com 91.189.95.56, 41410, 443 CANONICAL-ASGB United States 2->23 25 Found malware configuration 2->25 27 Antivirus / Scanner detection for submitted sample 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 3 other signatures 2->31 8 parm.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 33 Sample deletes itself 8->33 13 parm.elf 8->13         started        process6 process7 15 parm.elf 13->15         started        17 parm.elf 13->17         started       
Threat name:
Linux.Trojan.Svirtu
Status:
Malicious
First seen:
2026-06-20 03:47:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  5/10
Tags:
upx
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
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:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 4b1975ada28b892fd1b2ea2b4527e1764c29b342070afaa49fac6d68a0dafa76

(this sample)

  
Delivery method
Distributed via web download

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