MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5b159fe72abe78a4e87a2dc39d27f590ba9bb2f45fb95cf401f26cf17e0eb68f. 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: 12


Intelligence 12 IOCs YARA 2 File information Comments

SHA256 hash: 5b159fe72abe78a4e87a2dc39d27f590ba9bb2f45fb95cf401f26cf17e0eb68f
SHA3-384 hash: 66d43afa503166c63a7be44f68819ad606bc8ce2a1224429efdd915fc5c9063a1a5cfe645625a6d6f309cc11c35a4cdc
SHA1 hash: 1bb08485d693a689d45fce038839a26b5ddb63bd
MD5 hash: a67447623b8a92ba1c5c132c06ec5ca1
humanhash: low-oklahoma-cold-coffee
File name:arm
Download: download sample
Signature Mirai
File size:113'816 bytes
First seen:2025-12-17 18:23:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:J//WVYMr7OejDZbBASj6fM9l/86ZQcpNPrAI80A3teCT21eNxB9nO3/sPGKDBxmB:J//9jexb/k6ZnNQtBT21YBozmc0Hi
TLSH T14AB33A42AD929652C2D3237BFA6E028D372613A8D3EE7207CE215F2537CA95F0D7B541
telfhash t130f0c9740b140cbc35d880e5b22a200e06fcb1ae3a442cc61764aa4d89030f0b03810d
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 :
63
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
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
opendir rust
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-17T16:34:00Z UTC
Last seen:
2025-12-18T22:22:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.b
Status:
terminated
Behavior Graph:
%3 guuid=e97daa9d-1c00-0000-4d4b-0c8eaa0b0000 pid=2986 /usr/bin/sudo guuid=de7174a0-1c00-0000-4d4b-0c8eb00b0000 pid=2992 /tmp/sample.bin guuid=e97daa9d-1c00-0000-4d4b-0c8eaa0b0000 pid=2986->guuid=de7174a0-1c00-0000-4d4b-0c8eb00b0000 pid=2992 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Drops files in suspicious directories
Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to persist itself using System V runlevels
Writes identical ELF files to multiple locations
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835233 Sample: arm.elf Startdate: 17/12/2025 Architecture: LINUX Score: 92 76 109.202.202.202, 80 INIT7CH Switzerland 2->76 78 boberkurwa.phoneparts.icu 89.32.41.172, 32465, 39218, 39222 HOSTMAZEHOSTMAZERO Romania 2->78 80 3 other IPs or domains 2->80 82 Multi AV Scanner detection for submitted file 2->82 84 Yara detected Mirai 2->84 86 Connects to many ports of the same IP (likely port scanning) 2->86 8 arm.elf 2->8         started        12 systemd arm.elf 2->12         started        14 systemd arm.elf 2->14         started        16 21 other processes 2->16 signatures3 process4 file5 62 /var/spool/cron/root, ASCII 8->62 dropped 64 /var/spool/cron/crontabs/root, ASCII 8->64 dropped 66 /root/.bashrc, ASCII 8->66 dropped 74 3 other malicious files 8->74 dropped 92 Sample tries to persist itself using /etc/profile 8->92 94 Drops files in suspicious directories 8->94 96 Modifies the '.bashrc' or '.bash_profile' file typically for persisting actions 8->96 98 Sample tries to persist itself using cron 8->98 18 arm.elf sh 8->18         started        20 arm.elf sh 8->20         started        28 21 other processes 8->28 100 Sample tries to persist itself using System V runlevels 12->100 22 arm.elf sh 12->22         started        24 arm.elf sh 12->24         started        30 17 other processes 12->30 26 arm.elf sh 14->26         started        32 14 other processes 14->32 68 /etc/rcS.d/S99sysinit, POSIX 16->68 dropped 70 /etc/init.d/S99sysinit, POSIX 16->70 dropped 72 /etc/network/if-up.d/sysinit, POSIX 16->72 dropped 34 104 other processes 16->34 signatures6 process7 process8 36 2 other processes 18->36 39 2 other processes 20->39 42 2 other processes 22->42 44 2 other processes 24->44 46 2 other processes 26->46 48 23 other processes 28->48 50 17 other processes 30->50 52 13 other processes 32->52 54 87 other processes 34->54 file9 56 /usr/bin/sysinit, ELF 39->56 dropped 58 /usr/sbin/sysinit, ELF 44->58 dropped 60 /usr/lib/libsysinit.so, ELF 46->60 dropped 88 Writes identical ELF files to multiple locations 46->88 90 Drops files in suspicious directories 50->90 signatures10
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-17 18:24:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:wicked
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136015-0
YARA:
n/a
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_Threat_d94e1020
Author:Elastic Security
Rule name:unixredflags3
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 5b159fe72abe78a4e87a2dc39d27f590ba9bb2f45fb95cf401f26cf17e0eb68f

(this sample)

  
Delivery method
Distributed via web download

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