MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 dec85d7d5a6f0e263722019e50b351f5ec5499178f5934541475eff137ec2a1c. 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: 8


Intelligence 8 IOCs YARA 5 File information Comments

SHA256 hash: dec85d7d5a6f0e263722019e50b351f5ec5499178f5934541475eff137ec2a1c
SHA3-384 hash: 9a929ecc8a9a597f1ef249caf2e8b3b8e1bea211b47de59a0b7ab1fe71e8d82dd0f83ce558c531a0515c349d89a7625d
SHA1 hash: b761c33c874847d0c063fbb425a93bc9b2818b67
MD5 hash: 667c4615fd1c11938fbcf3a1308df6c7
humanhash: comet-sodium-magnesium-montana
File name:1d9bc61a14f8a2592b93d699e19556dc8ce064e822814892b0e805656315119d.elf
Download: download sample
Signature Mirai
File size:190'092 bytes
First seen:2026-08-19 18:47:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:DkRjw81A8qP/GTtSk2IhHV3B/g/KMTsF30becYEEU1+srR9dbNhbJrI14J+aUuyB:DaxXDhHVRomFkScYEEU1+srRHbn1I1Ic
TLSH T1C2043A95F890DE56C6D0267AFA7D518C331317B8C3DAB106CE109E35B7EB81A0E3E946
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 1d9bc61a14f8a2592b93d699e19556dc8ce064e822814892b0e805656315119d
File size (compressed) :83'848 bytes
File size (de-compressed) :190'092 bytes
Format:linux/arm
Packed file: 1d9bc61a14f8a2592b93d699e19556dc8ce064e822814892b0e805656315119d

Intelligence


File Origin
# of uploads :
1
# of downloads :
73
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Changes the time when the file was created, accessed, or modified
Opens a port
Creating a file
Launching a process
Connection attempt
Sets a written file as executable
Runs as daemon
Creates or modifies symbolic links
Changes access rights for a written file
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Writes files to system directory
Deleting of the original file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc rust
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
52
Number of processes launched:
16
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=3cd0dc04-1b00-0000-f225-28774f070000 pid=1871 /usr/bin/sudo guuid=a11c9b07-1b00-0000-f225-287755070000 pid=1877 /tmp/sample.bin guuid=3cd0dc04-1b00-0000-f225-28774f070000 pid=1871->guuid=a11c9b07-1b00-0000-f225-287755070000 pid=1877 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-19 18:48:38 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 23 (47.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion execution persistence privilege_escalation
Behaviour
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Modifies init.d
Modifies rc script
Modifies systemd
Deletes itself
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_arm_mips_ko_so
Rule name:ELF_IoT_Persistence_Hunt
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:woof_mirai_variant
Author:Nokia Deepfield ERT
Description:Detects Woof Mirai variant (ChaCha20 table, HTTP C2 with token/guid, .woof dropper)
Reference:Internal analysis of sample 6ef4ce02

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf dec85d7d5a6f0e263722019e50b351f5ec5499178f5934541475eff137ec2a1c

(this sample)

Comments