MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f31b7766b9448d699e6d94bb71164218ace41b5daa3b08a45afa287cb3742ef6. 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 5 File information Comments

SHA256 hash: f31b7766b9448d699e6d94bb71164218ace41b5daa3b08a45afa287cb3742ef6
SHA3-384 hash: 8efee2919cc70225d2ce008eafd20d39fce73e306d50224c24decb30cda07bb84bcd0f363b61af48493202c044d0c9b2
SHA1 hash: ae1cac30717fb7323f142f93a5b46d6c3d4b6fd1
MD5 hash: a5e543b816d7aaa013b44f4b4d184edd
humanhash: timing-triple-diet-venus
File name:pmpsl
Download: download sample
Signature Mirai
File size:99'560 bytes
First seen:2026-08-04 10:54:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:uJri55uEJPlF/tBCALbF88QUW/M1ms56XGZDQ+wbp4lx9LJxXY61d6cM:A+3uEJ9vbxW/w6XGkmRxX1l
TLSH T137A30705AB650FF7DC6FCD3706E9070635CC651A22F97B3A3634C918B60B64B5AE3864
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-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 c426a53c573f96f4c509fca91a1802890c96caa6b25c3bbc6e11869d16ffc8ec
File size (compressed) :39'936 bytes
File size (de-compressed) :99'560 bytes
Format:linux/mipsel
Packed file: c426a53c573f96f4c509fca91a1802890c96caa6b25c3bbc6e11869d16ffc8ec

Intelligence


File Origin
# of uploads :
1
# of downloads :
99
Origin country :
NL NL
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Opens a port
Receives data from a server
Sends data to a server
Connection attempt
Runs as daemon
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
bash lolbin
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-08-04T08:17:00Z UTC
Last seen:
2026-08-05T03:43:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=30b3786f-7300-0000-4e6e-f3c141030000 pid=833 /usr/bin/sudo guuid=a25b0e72-7300-0000-4e6e-f3c142030000 pid=834 /tmp/sample.bin guuid=30b3786f-7300-0000-4e6e-f3c141030000 pid=833->guuid=a25b0e72-7300-0000-4e6e-f3c142030000 pid=834 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 deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1951860 Sample: pmpsl.elf Startdate: 04/08/2026 Architecture: LINUX Score: 68 19 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->19 21 94.154.43.76, 18129, 33058 CDNEXTGB Turkey 2->21 23 daisy.ubuntu.com 91.189.95.56, 443, 57652 CANONICAL-ASGB United States 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected Mirai 2->29 8 pmpsl.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 31 Sample deletes itself 8->31 13 pmpsl.elf 8->13         started        process6 process7 15 pmpsl.elf 13->15         started        17 pmpsl.elf 13->17         started       
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-04 10:58:36 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Deletes itself
Modifies Watchdog functionality
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:test_rule_vldslv
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 f31b7766b9448d699e6d94bb71164218ace41b5daa3b08a45afa287cb3742ef6

(this sample)

  
Delivery method
Distributed via web download

Comments