MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 990aacd85ac89f31ccc4c0656c4e704d44878556458532fb2a7a15e71beee005. 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: 11


Intelligence 11 IOCs YARA 6 File information Comments

SHA256 hash: 990aacd85ac89f31ccc4c0656c4e704d44878556458532fb2a7a15e71beee005
SHA3-384 hash: d58dfe312ed299fa6f1f2051cc8adae3dc25639726d3589a24f1a5071089bc57cee92ae9eb3f03bd65a4e798757e645c
SHA1 hash: 0380a0149f41e26499bb1597aaf9d151aa3d7995
MD5 hash: 0ea5ad86e3ba67ecaa59767c6f15778a
humanhash: tennessee-potato-bluebird-potato
File name:ub8ehJSePAfc9FYqZIT6.mips
Download: download sample
Signature Mirai
File size:178'424 bytes
First seen:2026-01-17 13:52:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:L5rsaS9/98W+4TL9lw/UmVcNpnnPGCvmUNLS7C1Ix3mVYeaO2k:Vrtuf9lw/UmVcNpNvp07uIxsY5O2k
TLSH T1EE04855D6E228F7EFAB8827447B34E21975923DA23E1D6C4D1ACD2001F6025E641FBF9
telfhash t184418f180e7817f4a3396c49159dff7796a330db7e165c778e11f86aab69a834d00c0c
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c0e4274985269149219d7a380e55a32a20e3133f6c43e627fed4df431364ebb6
File size (compressed) :53'884 bytes
File size (de-compressed) :178'424 bytes
Format:linux/mips
Packed file: c0e4274985269149219d7a380e55a32a20e3133f6c43e627fed4df431364ebb6

Intelligence


File Origin
# of uploads :
1
# of downloads :
57
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet masquerade mirai obfuscated
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2026-01-17T11:02:00Z UTC
Last seen:
2026-01-17T12:00:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=3873c36b-1900-0000-9dec-c801d50a0000 pid=2773 /usr/bin/sudo guuid=e7a2346e-1900-0000-9dec-c801dc0a0000 pid=2780 /tmp/sample.bin guuid=3873c36b-1900-0000-9dec-c801d50a0000 pid=2773->guuid=e7a2346e-1900-0000-9dec-c801dc0a0000 pid=2780 execve guuid=84f9116f-1900-0000-9dec-c801e10a0000 pid=2785 /usr/bin/dash guuid=e7a2346e-1900-0000-9dec-c801dc0a0000 pid=2780->guuid=84f9116f-1900-0000-9dec-c801e10a0000 pid=2785 clone guuid=dbaa276f-1900-0000-9dec-c801e20a0000 pid=2786 /usr/bin/dash guuid=e7a2346e-1900-0000-9dec-c801dc0a0000 pid=2780->guuid=dbaa276f-1900-0000-9dec-c801e20a0000 pid=2786 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
64 / 100
Signature
Antivirus / Scanner detection for submitted sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-17 13:53:31 UTC
File Type:
ELF32 Big (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai defense_evasion discovery
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Writes file to system bin folder
Modifies Watchdog functionality
Verdict:
Unknown
Tags:
botnet mirai
YARA:
Mirai_Botnet_Malware
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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Mirai_Botnet_Malware
Author:Florian Roth (Nextron Systems)
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:Mirai_Botnet_Malware_RID2EF6
Author:Florian Roth
Description:Detects Mirai Botnet Malware
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 990aacd85ac89f31ccc4c0656c4e704d44878556458532fb2a7a15e71beee005

(this sample)

Comments