MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff9c74c5fd5bcb0179fdb2df933bd71e34cb18e8488cf08ef239beed9df7d1a8. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments

SHA256 hash: ff9c74c5fd5bcb0179fdb2df933bd71e34cb18e8488cf08ef239beed9df7d1a8
SHA3-384 hash: ac1d913901d8e0f6b025a5cad29b5d854c0e4796bbe61e94aecab024adc65a384c71c697e64c7c1854e0cec532a68deb
SHA1 hash: f8a4421741eb888684f17e2389c00c2385a39201
MD5 hash: e804021f6d5bb19888cf87700aa14eb6
humanhash: sad-mexico-quebec-minnesota
File name:putita.x86
Download: download sample
Signature Mirai
File size:144'796 bytes
First seen:2026-08-18 19:59:46 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:7RPSopQaudk8QPpVEyPuz2DaU3EiWIPzLjSY6:7RPSYQakkBswuqVUilLg
TLSH T18DE36B59FA5BC0F0E6D340F1062BEBAA963699216132F5F1FF563771F8B1301298626C
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 33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6
File size (compressed) :62'988 bytes
File size (de-compressed) :144'796 bytes
Format:linux/i386
Packed file: 33b851f2e5b5f9713bf226aacd148c65957c710daa276f84c028cd8fbe92a1c6

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Launching a process
Runs as daemon
Changes access rights for a written file
Opens a port
Receives data from a server
Changes the time when the file was created, accessed, or modified
Connection attempt
Creating a file
Creates or modifies symbolic links
Sets a written file as executable
Sends data to a server
Substitutes an application name
Writes files to system directory
Creates or modifies files in /cron to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies files to set up autorun
Deleting of the original file
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
UPX
Botnet:
unknown
Number of open files:
15
Number of processes launched:
8
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=e1e1db1a-1b00-0000-fe87-6425650c0000 pid=3173 /usr/bin/sudo guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174 /tmp/sample.bin delete-file net write-config write-file guuid=e1e1db1a-1b00-0000-fe87-6425650c0000 pid=3173->guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=16b27f31-1b00-0000-fe87-6425680c0000 pid=3176 /usr/bin/dash guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=16b27f31-1b00-0000-fe87-6425680c0000 pid=3176 execve guuid=fdd13132-1b00-0000-fe87-6425690c0000 pid=3177 /usr/bin/dash guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=fdd13132-1b00-0000-fe87-6425690c0000 pid=3177 execve guuid=3ddb9056-1b00-0000-fe87-6425720c0000 pid=3186 /usr/bin/chattr zombie guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=3ddb9056-1b00-0000-fe87-6425720c0000 pid=3186 execve guuid=23bb9556-1b00-0000-fe87-6425730c0000 pid=3187 /usr/bin/chattr zombie guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=23bb9556-1b00-0000-fe87-6425730c0000 pid=3187 execve guuid=25319c56-1b00-0000-fe87-6425740c0000 pid=3188 /usr/bin/chattr zombie guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=25319c56-1b00-0000-fe87-6425740c0000 pid=3188 execve guuid=648ba156-1b00-0000-fe87-6425750c0000 pid=3189 /usr/bin/busybox zombie guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=648ba156-1b00-0000-fe87-6425750c0000 pid=3189 execve guuid=5653a956-1b00-0000-fe87-6425760c0000 pid=3190 /usr/bin/busybox zombie guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=5653a956-1b00-0000-fe87-6425760c0000 pid=3190 execve guuid=40c6af56-1b00-0000-fe87-6425770c0000 pid=3191 /usr/bin/busybox zombie guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=40c6af56-1b00-0000-fe87-6425770c0000 pid=3191 execve guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192 /tmp/sample.bin net send-data zombie guuid=34f4a21c-1b00-0000-fe87-6425660c0000 pid=3174->guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192 clone guuid=6a69bc32-1b00-0000-fe87-64256a0c0000 pid=3178 /usr/bin/dash guuid=fdd13132-1b00-0000-fe87-6425690c0000 pid=3177->guuid=6a69bc32-1b00-0000-fe87-64256a0c0000 pid=3178 clone guuid=5ff6c432-1b00-0000-fe87-64256b0c0000 pid=3179 /usr/bin/dash guuid=fdd13132-1b00-0000-fe87-6425690c0000 pid=3177->guuid=5ff6c432-1b00-0000-fe87-64256b0c0000 pid=3179 clone guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 706d8119-5804-563f-93fb-1ad04086f3d8 64.89.163.215:666 guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192->706d8119-5804-563f-93fb-1ad04086f3d8 send: 87B guuid=fe318f57-1b00-0000-fe87-64257a0c0000 pid=3194 /tmp/sample.bin guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192->guuid=fe318f57-1b00-0000-fe87-64257a0c0000 pid=3194 clone guuid=43fc9757-1b00-0000-fe87-64257b0c0000 pid=3195 /tmp/sample.bin guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192->guuid=43fc9757-1b00-0000-fe87-64257b0c0000 pid=3195 clone guuid=0bbca657-1b00-0000-fe87-64257c0c0000 pid=3196 /tmp/sample.bin guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192->guuid=0bbca657-1b00-0000-fe87-64257c0c0000 pid=3196 clone guuid=36efe83a-2600-0000-fe87-642528140000 pid=5160 /tmp/sample.bin net send-data guuid=80ebb556-1b00-0000-fe87-6425780c0000 pid=3192->guuid=36efe83a-2600-0000-fe87-642528140000 pid=5160 clone be80af0a-7954-57d9-a3ca-eba247ba301b 149.56.241.59:22 guuid=36efe83a-2600-0000-fe87-642528140000 pid=5160->be80af0a-7954-57d9-a3ca-eba247ba301b send: 1103763B guuid=2c20f73a-2600-0000-fe87-642529140000 pid=5161 /tmp/sample.bin guuid=36efe83a-2600-0000-fe87-642528140000 pid=5160->guuid=2c20f73a-2600-0000-fe87-642529140000 pid=5161 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-18 20:01:05 UTC
File Type:
ELF32 Little (SO)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Reads runtime system information
Changes its process name
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Modifies rc script
Modifies systemd
Removes the immutable protection flag from a file
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_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 ff9c74c5fd5bcb0179fdb2df933bd71e34cb18e8488cf08ef239beed9df7d1a8

(this sample)

  
Delivery method
Distributed via web download

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