MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acab764c4921e0662fc5222f302c033d3a238c76a4f15b4a7e47a1bc08063b32. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: acab764c4921e0662fc5222f302c033d3a238c76a4f15b4a7e47a1bc08063b32
SHA3-384 hash: 8d10508335779ddb29ea12ae91ddf7b3d4bf4a17733454a10e0938ad8ee17bbccebb03a228e5da6f286e9c29bfcf0590
SHA1 hash: 41ff14b491175a4c35b3968c7d2510951764f1f1
MD5 hash: 62644091f2958662f07e6bd2020176e6
humanhash: stairway-sierra-oregon-cat
File name:top1miku.arm
Download: download sample
Signature Mirai
File size:34'988 bytes
First seen:2025-07-14 11:24:41 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:XPxgexIZSPs1AaY7KpR55aP7XYgyfMRB6j+zPChDtws3Uoz0:XPxgrZSPEATsujXryGBhPoHz0
TLSH T154F2E0909E8E6935E280247BEBACEFE157BF09B980E2106591045B78968701D77B8F47
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) :34'988 bytes
File size (de-compressed) :75'336 bytes
Format:linux/arm
Unpacked file: bfb9572d8778f6a8fb2a3b6ef9f35ccf5903b3ae7a5d7e518c50b1a7ce26d640

Intelligence


File Origin
# of uploads :
1
# of downloads :
21
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
masquerade obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
196.251.66.32/HBTs
Number of open files:
51
Number of processes launched:
3
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
Status:
terminated
Behavior Graph:
%3 guuid=ef45481b-1a00-0000-f260-b6fa84090000 pid=2436 /usr/bin/sudo guuid=0985cf1d-1a00-0000-f260-b6fa8c090000 pid=2444 /tmp/sample.bin guuid=ef45481b-1a00-0000-f260-b6fa84090000 pid=2436->guuid=0985cf1d-1a00-0000-f260-b6fa8c090000 pid=2444 execve
Result
Threat name:
Mirai, Okiru
Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Yara detected Okiru
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1735958 Sample: top1miku.arm.elf Startdate: 14/07/2025 Architecture: LINUX Score: 76 17 65.222.202.53, 80 CAPEREGIONALHEALTHSYSTEMUS United States 2->17 19 daisy.ubuntu.com 2->19 21 Malicious sample detected (through community Yara rule) 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected Okiru 2->25 27 2 other signatures 2->27 7 top1miku.arm.elf 2->7         started        9 python3.8 dpkg 2->9         started        signatures3 process4 process5 11 top1miku.arm.elf 7->11         started        13 top1miku.arm.elf 7->13         started        15 top1miku.arm.elf 7->15         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-07-14 11:25:26 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
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: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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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 acab764c4921e0662fc5222f302c033d3a238c76a4f15b4a7e47a1bc08063b32

(this sample)

  
Delivery method
Distributed via web download

Comments