MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0aacd1804b73222693c6e1a7d4b8725b620b1dd4fad84fba781cf06e95bd7b3b. 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: 0aacd1804b73222693c6e1a7d4b8725b620b1dd4fad84fba781cf06e95bd7b3b
SHA3-384 hash: 0424677698cc379222859353ae9617fe30bc97cbe207d2b07e2ca5b2b476b990385dab5d53e315dfbddb3e304df028cc
SHA1 hash: b50e4a769835b0a80d385fbaf7ee3d01777bc8e1
MD5 hash: dc000e39b95ae372a1f37634490515b0
humanhash: snake-green-lemon-montana
File name:dropear
Download: download sample
Signature Mirai
File size:37'836 bytes
First seen:2025-10-24 06:20:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:r9VhvhO+sYkt04PmBFpndUQl73U6owPTQG+vn79yOIEnbcuyD7UHQRjZ:ZrhP6ORBnOQl3UztwEnouy8Hy1
TLSH T15E03F139806DA6C4E4AF32F300657E79909C81456791D6B9DEC03076480AABA5B4EBDF
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 :
48
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Changes access rights for a written file
Sends data to a server
Receives data from a server
Changes access rights for a file
Runs as daemon
Opens a port
DNS request
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed threat upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-23T18:34:00Z UTC
Last seen:
2025-10-25T19:35:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=04c2a5da-1a00-0000-3f0c-976ed20a0000 pid=2770 /usr/bin/sudo guuid=0f9b5ede-1a00-0000-3f0c-976edc0a0000 pid=2780 /tmp/sample.bin net guuid=04c2a5da-1a00-0000-3f0c-976ed20a0000 pid=2770->guuid=0f9b5ede-1a00-0000-3f0c-976edc0a0000 pid=2780 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=0f9b5ede-1a00-0000-3f0c-976edc0a0000 pid=2780->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=0d201ddf-1a00-0000-3f0c-976edf0a0000 pid=2783 /tmp/sample.bin guuid=0f9b5ede-1a00-0000-3f0c-976edc0a0000 pid=2780->guuid=0d201ddf-1a00-0000-3f0c-976edf0a0000 pid=2783 clone guuid=ba294a0b-1c00-0000-3f0c-976ecc0c0000 pid=3276 /tmp/sample.bin guuid=0f9b5ede-1a00-0000-3f0c-976edc0a0000 pid=2780->guuid=ba294a0b-1c00-0000-3f0c-976ecc0c0000 pid=3276 clone guuid=19b4580b-1c00-0000-3f0c-976ecd0c0000 pid=3277 /tmp/sample.bin net send-data zombie guuid=0f9b5ede-1a00-0000-3f0c-976edc0a0000 pid=2780->guuid=19b4580b-1c00-0000-3f0c-976ecd0c0000 pid=3277 clone guuid=56fb26df-1a00-0000-3f0c-976ee00a0000 pid=2784 /tmp/sample.bin guuid=0d201ddf-1a00-0000-3f0c-976edf0a0000 pid=2783->guuid=56fb26df-1a00-0000-3f0c-976ee00a0000 pid=2784 clone guuid=bf9f2ddf-1a00-0000-3f0c-976ee10a0000 pid=2785 /tmp/sample.bin dns net send-data zombie guuid=0d201ddf-1a00-0000-3f0c-976edf0a0000 pid=2783->guuid=bf9f2ddf-1a00-0000-3f0c-976ee10a0000 pid=2785 clone guuid=bf9f2ddf-1a00-0000-3f0c-976ee10a0000 pid=2785->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 2200B 3fab0f00-3357-525d-a73a-5d87926e5242 ultrauraniummirai.ddns.net:12121 guuid=bf9f2ddf-1a00-0000-3f0c-976ee10a0000 pid=2785->3fab0f00-3357-525d-a73a-5d87926e5242 send: 300B guuid=19b4580b-1c00-0000-3f0c-976ecd0c0000 pid=3277->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 11440B guuid=19b4580b-1c00-0000-3f0c-976ecd0c0000 pid=3277->3fab0f00-3357-525d-a73a-5d87926e5242 send: 312B
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.evad
Score:
64 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Uses dynamic DNS services
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1801067 Sample: dropear.elf Startdate: 24/10/2025 Architecture: LINUX Score: 64 22 ultrauraniummirai.ddns.net 2->22 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 2 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Sample is packed with UPX 2->32 8 dropear.elf 2->8         started        10 python3.8 dpkg 2->10         started        signatures3 34 Uses dynamic DNS services 22->34 process4 process5 12 dropear.elf 8->12         started        14 dropear.elf 8->14         started        16 dropear.elf 8->16         started        process6 18 dropear.elf 12->18         started        20 dropear.elf 12->20         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-10-23 20:54:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
ultrauraniummirai.ddns.net
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
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: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 0aacd1804b73222693c6e1a7d4b8725b620b1dd4fad84fba781cf06e95bd7b3b

(this sample)

  
Delivery method
Distributed via web download

Comments