MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 39a78144df2a49052daf741349f506ffd0ed6cdb26a1b3bbe0e04a0d4497d7ad. 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: 39a78144df2a49052daf741349f506ffd0ed6cdb26a1b3bbe0e04a0d4497d7ad
SHA3-384 hash: c68a44f349ad16a23d59ee41b2e7dab9868b335a2dad8d8f3d6d895331ec5ff260e97aa54a306a50016abd99b9cefc62
SHA1 hash: 346233833d96dc614095830e962f93f2c8e1f211
MD5 hash: e43001c79df72d483baa3afd4449fe7d
humanhash: twelve-nuts-angel-video
File name:putita.arm7
Download: download sample
Signature Mirai
File size:120'276 bytes
First seen:2026-08-18 20:28:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:dGzm80iTCe0Eo0i8InVUQ4g8OsCWNtLZ5xMKnh1ojQf1DlG:dn7e0vnVUQ4g8ORWNtKKnhqQ95
TLSH T195C32B99FC90DE12C6D52675F95E428D332317B8C3DA7206CD209E34F7E796A0E3A942
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e110d6ee4820d2fddfcdac2e1634797d4fb5b83ec28e083afa357d3e20686443
File size (compressed) :55'728 bytes
File size (de-compressed) :120'276 bytes
Format:linux/arm
Packed file: e110d6ee4820d2fddfcdac2e1634797d4fb5b83ec28e083afa357d3e20686443

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc masquerade mirai 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=f77fcbed-1900-0000-69fe-fb81840a0000 pid=2692 /usr/bin/sudo guuid=1645adef-1900-0000-69fe-fb81860a0000 pid=2694 /tmp/sample.bin guuid=f77fcbed-1900-0000-69fe-fb81840a0000 pid=2692->guuid=1645adef-1900-0000-69fe-fb81860a0000 pid=2694 execve
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-18 20:29:34 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 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 39a78144df2a49052daf741349f506ffd0ed6cdb26a1b3bbe0e04a0d4497d7ad

(this sample)

  
Delivery method
Distributed via web download

Comments