MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 139fc8c1f52e459b288c683e04275033704f2ec886ebef30ffe2818d7e82726b. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments

SHA256 hash: 139fc8c1f52e459b288c683e04275033704f2ec886ebef30ffe2818d7e82726b
SHA3-384 hash: 39ad3958b26988373ae3a2891788d4d2909a78323c0aaab2127f41bc64d389a526a3ef4ea496b80dd8d8ec6ea43dce8a
SHA1 hash: 5dc791c17caa34f2869ba93177ee85e738e8886a
MD5 hash: a7e1ec3d31528dfade60490b5eed9d56
humanhash: magnesium-potato-johnny-white
File name:spc
Download: download sample
Signature Mirai
File size:67'792 bytes
First seen:2026-01-08 07:33:28 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Mzvs98NOUTWYhGhKn0z0v3rz8l3OkptR+YW55ptWX:sjIUT+c0ko/+YwWX
TLSH T1A1631B32BE764D2BC4C4A47661F34735F2F6878624AC891E7EA10E8CAF6465032477F5
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
136
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt mirai
Status:
terminated
Behavior Graph:
%3 guuid=57dc7704-1900-0000-3528-f419d50d0000 pid=3541 /usr/bin/sudo guuid=222e7406-1900-0000-3528-f419dd0d0000 pid=3549 /tmp/sample.bin guuid=57dc7704-1900-0000-3528-f419d50d0000 pid=3541->guuid=222e7406-1900-0000-3528-f419dd0d0000 pid=3549 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
52 / 100
Signature
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1846482 Sample: spc.elf Startdate: 08/01/2026 Architecture: LINUX Score: 52 76 169.254.169.254, 80 USDOSUS Reserved 2->76 78 109.202.202.202, 80 INIT7CH Switzerland 2->78 80 5 other IPs or domains 2->80 10 systemd gdm3 2->10         started        12 systemd gpu-manager 2->12         started        14 systemd accounts-daemon 2->14         started        17 23 other processes 2->17 process3 file4 20 gdm3 gdm-session-worker 10->20         started        22 gdm3 plymouth 10->22         started        32 2 other processes 10->32 24 gpu-manager sh 12->24         started        26 gpu-manager sh 12->26         started        28 gpu-manager sh 12->28         started        34 5 other processes 12->34 84 Reads system files that contain records of logged in users 14->84 30 accounts-daemon language-validate 14->30         started        74 /var/log/wtmp, data 17->74 dropped 86 Sample tries to kill multiple processes (SIGKILL) 17->86 88 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->88 36 6 other processes 17->36 signatures5 process6 process7 38 gdm-session-worker gdm-wayland-session 20->38         started        40 sh grep 24->40         started        42 sh grep 26->42         started        44 sh grep 28->44         started        46 language-validate language-options 30->46         started        48 sh grep 34->48         started        50 sh grep 34->50         started        52 sh grep 34->52         started        54 2 other processes 34->54 process8 56 gdm-wayland-session dbus-run-session 38->56         started        58 gdm-wayland-session dbus-daemon 38->58         started        61 language-options sh 46->61         started        signatures9 63 dbus-run-session dbus-daemon 56->63         started        82 Sample reads /proc/mounts (often used for finding a writable filesystem) 58->82 66 dbus-daemon 58->66         started        68 sh locale 61->68         started        70 sh grep 61->70         started        process10 signatures11 90 Sample reads /proc/mounts (often used for finding a writable filesystem) 63->90 72 dbus-daemon false 66->72         started        process12
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-01-08 07:34:30 UTC
File Type:
ELF32 Big (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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 139fc8c1f52e459b288c683e04275033704f2ec886ebef30ffe2818d7e82726b

(this sample)

  
Delivery method
Distributed via web download

Comments