MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c26cbb463fb64d77e7f832a2c64d448c4a3036f284364972e7144c54724aba73. 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 6 File information Comments

SHA256 hash: c26cbb463fb64d77e7f832a2c64d448c4a3036f284364972e7144c54724aba73
SHA3-384 hash: 359917080340c77f7562d3ed949db856a0505e00a298f6a756c0e3e39b7bff2087cc73768b88b56c2631a80042cb53a6
SHA1 hash: 2eb4f2e60c9eeba1f6c0c5e27efd011beb078030
MD5 hash: cb1016f4657bc7fffc1c645846c8c396
humanhash: timing-social-earth-bravo
File name:putita.mpsl
Download: download sample
Signature Mirai
File size:181'212 bytes
First seen:2026-08-18 02:36:49 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:acgLDzwBMEVkfX8aNsSGCeJvCjlzQYmnHzgVLrLLWZ8lmh1Dww:YDzwBMEVkfX8asSGCeJvCjlzQYmsVLrC
TLSH T1AD044C49BE742AFBC06FCE300929935721DD644FA2F277396278CD4C799E24859F3894
telfhash t102319db08b7b65115ac5c7ec88ec775a591a8515470adf33fd2180bc50260ade22ad4f
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 a34fb67b0280816b8ce6c31ac2b61bcca4fa4cef685d8a2cea7a54728c1ff22c
File size (compressed) :83'280 bytes
File size (de-compressed) :181'212 bytes
Format:linux/mipsel
Packed file: a34fb67b0280816b8ce6c31ac2b61bcca4fa4cef685d8a2cea7a54728c1ff22c

Intelligence


File Origin
# of uploads :
1
# of downloads :
60
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Kills processes
Changes access rights for a written file
Creating a file
Opens a port
Changes the time when the file was created, accessed, or modified
Launching a process
Deleting a recently created file
Runs as daemon
Sends data to a server
Connection attempt
Sets a written file as executable
Creates or modifies symbolic links
Creates or modifies files in /cron to set up autorun
Substitutes an application name
Deletes a system binary file
Writes files to system directory
Creates or modifies files to set up autorun
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
dropper gcc masquerade mirai
Status:
terminated
Behavior Graph:
%3 guuid=41c22abb-1b00-0000-f95a-6582e20a0000 pid=2786 /usr/bin/sudo guuid=9c5058bd-1b00-0000-f95a-6582e70a0000 pid=2791 /tmp/sample.bin guuid=41c22abb-1b00-0000-f95a-6582e20a0000 pid=2786->guuid=9c5058bd-1b00-0000-f95a-6582e70a0000 pid=2791 execve guuid=33d75fc0-1b00-0000-f95a-6582f00a0000 pid=2800 /usr/bin/dash guuid=9c5058bd-1b00-0000-f95a-6582e70a0000 pid=2791->guuid=33d75fc0-1b00-0000-f95a-6582f00a0000 pid=2800 clone
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2026-08-18 02:38:49 UTC
File Type:
ELF32 Little (SO)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
defense_evasion discovery 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
Creates a large amount of network flows
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:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 c26cbb463fb64d77e7f832a2c64d448c4a3036f284364972e7144c54724aba73

(this sample)

  
Delivery method
Distributed via web download

Comments