MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 77cb54840a32f1361a7007f821183a9d90fcbb992471b812f3fff477872bcfad. 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 2 File information Comments

SHA256 hash: 77cb54840a32f1361a7007f821183a9d90fcbb992471b812f3fff477872bcfad
SHA3-384 hash: e73be99e5885bea37bb7d08831fc361e1871f8c4fefead61eabf947923b46300876ac8ce486a5e6473bee803734aa4e0
SHA1 hash: 6e2f70c8e097bca7ce6b3b4d5a7f1ee45a25a467
MD5 hash: 79598560e2e407cde7ce163f2d14071e
humanhash: moon-asparagus-pluto-failed
File name:johen.mpsl
Download: download sample
Signature Mirai
File size:44'600 bytes
First seen:2026-01-12 11:51:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:rInJXx/OohmsD7bh/xerAfORlUR+aZs3fA+nEWd3j53qUJyWEcn7/Z4OHSWP:rIjOqvbhgAGERxZAfvEWdTwUJyWEcPHv
TLSH T1B213F1DE708C125BCB7EDD39644842258DA3A9F2025BA60EAB00064C9BB43D7BD6C1F5
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) :44'600 bytes
File size (de-compressed) :117'968 bytes
Format:linux/mipsel
Unpacked file: d64f802517d8b592568b94d7d86817177f273a111dac374cf5a3343e298a754c

Intelligence


File Origin
# of uploads :
1
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
masquerade packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-11T05:21:00Z UTC
Last seen:
2026-01-12T23:44:00Z UTC
Hits:
~100
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Status:
terminated
Behavior Graph:
%3 guuid=39bdefe5-1f00-0000-29d8-1d71d90c0000 pid=3289 /usr/bin/sudo guuid=3eaec0e8-1f00-0000-29d8-1d71de0c0000 pid=3294 /tmp/sample.bin guuid=39bdefe5-1f00-0000-29d8-1d71d90c0000 pid=3289->guuid=3eaec0e8-1f00-0000-29d8-1d71de0c0000 pid=3294 execve
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1849047 Sample: johen.mpsl.elf Startdate: 12/01/2026 Architecture: LINUX Score: 68 26 botnet.rehannnap.my.id 202.1.31.174, 38510, 38512, 69 WA-GOVERNMENT-AS-APWAGovernmentprojectAU unknown 2->26 28 34.254.182.186, 443 AMAZON-02US United States 2->28 30 2 other IPs or domains 2->30 32 Antivirus / Scanner detection for submitted sample 2->32 34 Multi AV Scanner detection for submitted file 2->34 36 Yara detected Mirai 2->36 38 Sample is packed with UPX 2->38 8 johen.mpsl.elf 2->8         started        10 dash rm 2->10         started        12 dash rm 2->12         started        14 python3.8 dpkg 2->14         started        signatures3 process4 process5 16 johen.mpsl.elf 8->16         started        18 johen.mpsl.elf 8->18         started        20 johen.mpsl.elf 8->20         started        process6 22 johen.mpsl.elf 16->22         started        24 johen.mpsl.elf 16->24         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-11 08:26:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery upx
Behaviour
Reads runtime system information
Enumerates running processes
Writes file to system bin folder
Modifies Watchdog functionality
Mirai
Mirai family
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 77cb54840a32f1361a7007f821183a9d90fcbb992471b812f3fff477872bcfad

(this sample)

  
Delivery method
Distributed via web download

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