MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab5ef31b72e330ac9df0f5cb16dc51d3599483a9554ed19a842ff6c453cdaf17. 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: 13


Intelligence 13 IOCs YARA 2 File information Comments

SHA256 hash: ab5ef31b72e330ac9df0f5cb16dc51d3599483a9554ed19a842ff6c453cdaf17
SHA3-384 hash: 319202fab0a9051eeeebeea325680dbc03fd3786482fb24002c0ebc18bfbd4c10d91d73ffadab3cef6147d9d9f4325d8
SHA1 hash: eae3dbe84d17328793500d89be8e7c36a90e510c
MD5 hash: 9afec2264f2e3d1d9111e5a54831c89c
humanhash: bacon-bulldog-quiet-salami
File name:ub8ehJSePAfc9FYqZIT6.x86_64
Download: download sample
Signature Mirai
File size:64'204 bytes
First seen:2026-01-09 14:56:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:zl82EjsM6l9UMQYMYlEqV7TF5tKwBu3gatI9yXpkzl6NIBZgKXb7:ziBjsb+MhDlxVvF5t7BVatAyX6zlcIBx
TLSH T1D95302F3798EBC7DC0561CB6EC5766415EBCEE121A014AE38CED3586C5C0CA97E91C91
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) :64'204 bytes
File size (de-compressed) :173'080 bytes
Format:linux/amd64
Unpacked file: a4610990a793a3412ec38eb60ce464c81740634eddca97b100dc330ed8781bdc

Intelligence


File Origin
# of uploads :
1
# of downloads :
39
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Kills processes
Receives data from a server
Locks files
Sends data to a server
DNS request
Creating a file in the %temp% directory
Deleting a recently created file
Connection attempt
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai obfuscated packed upx
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-01-09T12:05:00Z UTC
Last seen:
2026-01-10T02:44:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.cw HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Mirai.r
Status:
terminated
Behavior Graph:
%3 guuid=c6578827-1900-0000-406e-1836940b0000 pid=2964 /usr/bin/sudo guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973 /tmp/sample.bin mprotect-exec net guuid=c6578827-1900-0000-406e-1836940b0000 pid=2964->guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=ea0d572b-1900-0000-406e-1836a10b0000 pid=2977 /tmp/sample.bin guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->guuid=ea0d572b-1900-0000-406e-1836a10b0000 pid=2977 clone guuid=dc6f6f2b-1900-0000-406e-1836a30b0000 pid=2979 /tmp/sample.bin guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->guuid=dc6f6f2b-1900-0000-406e-1836a30b0000 pid=2979 clone guuid=487e2967-1900-0000-406e-1836af0b0000 pid=2991 /tmp/sample.bin delete-file guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->guuid=487e2967-1900-0000-406e-1836af0b0000 pid=2991 clone guuid=cf09b191-1a00-0000-406e-1836b70b0000 pid=2999 /tmp/sample.bin guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->guuid=cf09b191-1a00-0000-406e-1836b70b0000 pid=2999 clone guuid=dd385ccd-1a00-0000-406e-1836b90b0000 pid=3001 /tmp/sample.bin guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->guuid=dd385ccd-1a00-0000-406e-1836b90b0000 pid=3001 clone guuid=a76f0a09-1b00-0000-406e-1836ba0b0000 pid=3002 /tmp/sample.bin guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->guuid=a76f0a09-1b00-0000-406e-1836ba0b0000 pid=3002 clone guuid=a28c1509-1b00-0000-406e-1836bb0b0000 pid=3003 /tmp/sample.bin dns net send-data zombie guuid=2be8442a-1900-0000-406e-18369d0b0000 pid=2973->guuid=a28c1509-1b00-0000-406e-1836bb0b0000 pid=3003 clone guuid=cdc8602b-1900-0000-406e-1836a20b0000 pid=2978 /tmp/sample.bin guuid=ea0d572b-1900-0000-406e-1836a10b0000 pid=2977->guuid=cdc8602b-1900-0000-406e-1836a20b0000 pid=2978 clone guuid=2d0b3467-1900-0000-406e-1836b00b0000 pid=2992 /tmp/sample.bin guuid=487e2967-1900-0000-406e-1836af0b0000 pid=2991->guuid=2d0b3467-1900-0000-406e-1836b00b0000 pid=2992 clone guuid=8794e1a2-1900-0000-406e-1836b20b0000 pid=2994 /tmp/sample.bin guuid=487e2967-1900-0000-406e-1836af0b0000 pid=2991->guuid=8794e1a2-1900-0000-406e-1836b20b0000 pid=2994 clone guuid=546e92de-1900-0000-406e-1836b40b0000 pid=2996 /tmp/sample.bin zombie guuid=487e2967-1900-0000-406e-1836af0b0000 pid=2991->guuid=546e92de-1900-0000-406e-1836b40b0000 pid=2996 clone guuid=212999de-1900-0000-406e-1836b50b0000 pid=2997 /tmp/sample.bin dns net send-data zombie guuid=487e2967-1900-0000-406e-1836af0b0000 pid=2991->guuid=212999de-1900-0000-406e-1836b50b0000 pid=2997 clone guuid=212999de-1900-0000-406e-1836b50b0000 pid=2997->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 4f6baed0-9587-596c-82b3-fd721afe4cc1 10.0.2.3:53 guuid=212999de-1900-0000-406e-1836b50b0000 pid=2997->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1976B 3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 weifang.serveftp.com:3778 guuid=212999de-1900-0000-406e-1836b50b0000 pid=2997->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 260B guuid=a28c1509-1b00-0000-406e-1836bb0b0000 pid=3003->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=a28c1509-1b00-0000-406e-1836bb0b0000 pid=3003->4f6baed0-9587-596c-82b3-fd721afe4cc1 send: 1748B guuid=a28c1509-1b00-0000-406e-1836bb0b0000 pid=3003->3ec2bfaf-8e71-5eeb-b8ce-6ffe78958b80 send: 230B
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
96 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1847358 Sample: ub8ehJSePAfc9FYqZIT6.x86_64.elf Startdate: 09/01/2026 Architecture: LINUX Score: 96 76 109.202.202.202, 80 INIT7CH Switzerland 2->76 78 weifang.serveftp.com 45.83.207.173, 3778, 42946, 42950 CLOUVIDERClouvider-GlobalASNGB Netherlands 2->78 80 5 other IPs or domains 2->80 86 Malicious sample detected (through community Yara rule) 2->86 88 Multi AV Scanner detection for submitted file 2->88 90 Yara detected Gafgyt 2->90 92 2 other signatures 2->92 11 systemd gdm3 2->11         started        13 ub8ehJSePAfc9FYqZIT6.x86_64.elf 2->13         started        15 systemd gpu-manager 2->15         started        17 20 other processes 2->17 signatures3 process4 signatures5 20 gdm3 gdm-session-worker 11->20         started        32 3 other processes 11->32 22 ub8ehJSePAfc9FYqZIT6.x86_64.elf 13->22         started        24 ub8ehJSePAfc9FYqZIT6.x86_64.elf 13->24         started        34 5 other processes 13->34 26 gpu-manager sh 15->26         started        36 7 other processes 15->36 82 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->82 84 Reads system files that contain records of logged in users 17->84 28 accounts-daemon language-validate 17->28         started        30 generate-config pkill 17->30         started        process6 process7 38 gdm-session-worker gdm-x-session 20->38         started        40 ub8ehJSePAfc9FYqZIT6.x86_64.elf 22->40         started        53 4 other processes 24->53 43 sh grep 26->43         started        45 language-validate language-options 28->45         started        47 sh grep 36->47         started        49 sh grep 36->49         started        51 sh grep 36->51         started        55 4 other processes 36->55 signatures8 57 gdm-x-session dbus-daemon 38->57         started        60 gdm-x-session Xorg Xorg.wrap Xorg 38->60         started        94 Sample tries to kill a massive number of system processes 40->94 96 Sample tries to kill multiple processes (SIGKILL) 40->96 62 language-options sh 45->62         started        process9 signatures10 98 Sample reads /proc/mounts (often used for finding a writable filesystem) 57->98 64 dbus-daemon 57->64         started        66 Xorg sh 60->66         started        68 sh locale 62->68         started        70 sh grep 62->70         started        process11 process12 72 dbus-daemon false 64->72         started        74 sh xkbcomp 66->74         started       
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2026-01-09 14:57:43 UTC
File Type:
ELF64 Little (Exe)
AV detection:
16 of 36 (44.44%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:lzrd botnet defense_evasion discovery linux upx
Behaviour
Reads runtime system information
Writes file to tmp directory
Reads system network configuration
Enumerates active TCP sockets
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 ab5ef31b72e330ac9df0f5cb16dc51d3599483a9554ed19a842ff6c453cdaf17

(this sample)

  
Delivery method
Distributed via web download

Comments