MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28942e72085d851e4586f8730545b1fa8b8149a9b5c60e84579c961735531264. 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: 28942e72085d851e4586f8730545b1fa8b8149a9b5c60e84579c961735531264
SHA3-384 hash: d3b8d1fa5d210c95295f1613cca568d5be20ece2f32f656b555efeea1ff710d349414309341824096dd7ef8b9d460d66
SHA1 hash: 70ae9a5268a98dbca4f9aa3a3188287e31ed6e74
MD5 hash: bd2a3bee1293b15da1b88a87fb39d9a1
humanhash: cup-fifteen-beer-harry
File name:arm6
Download: download sample
Signature Mirai
File size:77'376 bytes
First seen:2025-12-31 00:24:25 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:1jgyeKm3i6CDPp5KRDdjSyMnHkm5D+4Skno5+Y8hLWCCLo:qypm3HQPoDdjSyeHbh+co6hLWCCLo
TLSH T18B730260CEA60D65DFB9AE3721A094C634A04FB9E2F93866DAF1C1432D544B1F5BE0DC
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 UPX
File size (compressed) :77'376 bytes
File size (de-compressed) :217'404 bytes
Format:linux/arm
Unpacked file: a0e4fb8325e418c4ac5e74446aaae3211ef833b86bd44b2db3a8e06d5a2cf2a1

Intelligence


File Origin
# of uploads :
1
# of downloads :
33
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
ELF 32 LE
Detections:
HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=040c6ed8-1f00-0000-9321-7e50e2040000 pid=1250 /usr/bin/sudo guuid=cb6d33db-1f00-0000-9321-7e50e7040000 pid=1255 /tmp/sample.bin guuid=040c6ed8-1f00-0000-9321-7e50e2040000 pid=1250->guuid=cb6d33db-1f00-0000-9321-7e50e7040000 pid=1255 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
60 / 100
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1842479 Sample: arm6.elf Startdate: 31/12/2025 Architecture: LINUX Score: 60 33 169.254.169.254, 80 USDOSUS Reserved 2->33 35 151.242.30.13, 12121, 49874 RASANAIR Iran (ISLAMIC Republic Of) 2->35 37 2 other IPs or domains 2->37 39 Multi AV Scanner detection for submitted file 2->39 41 Yara detected Gafgyt 2->41 43 Sample is packed with UPX 2->43 8 arm6.elf 2->8         started        11 python3.8 dpkg 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 file5 31 /usr/local/bin/infinitd, ELF 8->31 dropped 15 arm6.elf sh 8->15         started        17 arm6.elf sh 8->17         started        19 arm6.elf 8->19         started        21 2 other processes 8->21 process6 process7 23 sh systemctl 15->23         started        25 sh systemctl 17->25         started        27 arm6.elf 19->27         started        29 arm6.elf 19->29         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-31 00:25:24 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation upx
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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: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 28942e72085d851e4586f8730545b1fa8b8149a9b5c60e84579c961735531264

(this sample)

Comments