MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 acff032492260ae61ae7cef8a3979328b57395e1f38c0cabf7e190fde2565ada. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: acff032492260ae61ae7cef8a3979328b57395e1f38c0cabf7e190fde2565ada
SHA3-384 hash: 505eced4fd4b8db52227466c819aae8b64f0a54fa9dbaa27d62cea539ab93b5d787c5fc8b15823aab8ebd1bcc219cd1a
SHA1 hash: a822846c7466421cac509417f01490583c07b284
MD5 hash: b76b1a3ca6028958a2a90b3cc39b3ffb
humanhash: connecticut-fillet-jig-freddie
File name:sora.arm
Download: download sample
Signature Mirai
File size:31'836 bytes
First seen:2025-12-11 18:52:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:nF6s6udZYTqeAPoHPkCjNB0oX0n2kwYbs3Uozk:nF9dYTqeYgjNSizk
TLSH T137E2E110800E9E71CA322A78F475BC9B8B4327F983BF35F12DC896AC670104935BEA57
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) :31'836 bytes
File size (de-compressed) :103'532 bytes
Format:linux/arm
Unpacked file: 40ce0f47269e178f00d2d0adb105f72493a5716d92e3acf4b787029c6e5d4d08

Intelligence


File Origin
# of uploads :
1
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
masquerade mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-11T16:18:00Z UTC
Last seen:
2025-12-11T19:30:00Z UTC
Hits:
~10
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Malicious sample detected (through community Yara rule)
Sample is packed with UPX
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1831166 Sample: sora.arm.elf Startdate: 11/12/2025 Architecture: LINUX Score: 92 24 197.191.38.200 zain-asGH Ghana 2->24 26 156.158.50.27, 52869 airtel-tz-asTZ Tanzania United Republic of 2->26 28 98 other IPs or domains 2->28 30 Suricata IDS alerts for network traffic 2->30 32 Malicious sample detected (through community Yara rule) 2->32 34 Yara detected Mirai 2->34 36 3 other signatures 2->36 8 sora.arm.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 sora.arm.elf 8->14         started        process6 16 sora.arm.elf 14->16         started        18 sora.arm.elf 14->18         started        20 sora.arm.elf 14->20         started        22 sora.arm.elf 14->22         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-11 19:22:03 UTC
AV detection:
10 of 24 (41.67%)
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: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 acff032492260ae61ae7cef8a3979328b57395e1f38c0cabf7e190fde2565ada

(this sample)

  
Delivery method
Distributed via web download

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