MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77b61b321e2a73ad59b88fa6a484f840fc27df53c5127929e06b964bd5a855b0. 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 5 File information Comments

SHA256 hash: 77b61b321e2a73ad59b88fa6a484f840fc27df53c5127929e06b964bd5a855b0
SHA3-384 hash: 768d5eb0fe9582d9381a678d67ca4708079553aff4fc1ca11a9666f6e43718fb4495dc8c387e52610aec8943f873bffa
SHA1 hash: e0637538f5d5a849fbd70643b579879bd3debced
MD5 hash: bfda936d18a7cbc3d01ffd9f5493883f
humanhash: alanine-friend-spaghetti-solar
File name:arm7
Download: download sample
Signature Mirai
File size:54'661 bytes
First seen:2025-08-31 08:31:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:WrwFhM3ZsmhLogfPanlubhc4sgxqJ9SOwqF2sVMY9OvFPtf/FsKNu:kyHmZak+VJ7Z1gvFPp9hs
TLSH T124332A8A7C82493EC6E017BAA7BF129E33262769D2CB7313C5140B553F8645F0E27B81
telfhash t15ce06800bd704b2c48dbaab4ed5c02a2922562237a064724dfa0c7e0943f044b74ee8e
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 :
43
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc mirai rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-31T06:43:00Z UTC
Last seen:
2025-08-31T06:43:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=ab93a7aa-1900-0000-3c3c-8a8dea090000 pid=2538 /usr/bin/sudo guuid=ee5bb7ac-1900-0000-3c3c-8a8def090000 pid=2543 /tmp/sample.bin guuid=ab93a7aa-1900-0000-3c3c-8a8dea090000 pid=2538->guuid=ee5bb7ac-1900-0000-3c3c-8a8def090000 pid=2543 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
52 / 100
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1768422 Sample: arm7.elf Startdate: 31/08/2025 Architecture: LINUX Score: 52 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Contains symbols with names commonly found in malware 2->22 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 arm7.elf 2->12         started        signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-08-31 08:32:29 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:botnet
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135928-0
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:CP_AllMal_Detector
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() 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 77b61b321e2a73ad59b88fa6a484f840fc27df53c5127929e06b964bd5a855b0

(this sample)

  
Delivery method
Distributed via web download

Comments