MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856720566c0be471eb52f05d34b5cb1efb87e4d58f0fc6419a0d7d844bf1e9d5. 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: 11


Intelligence 11 IOCs YARA 2 File information Comments

SHA256 hash: 856720566c0be471eb52f05d34b5cb1efb87e4d58f0fc6419a0d7d844bf1e9d5
SHA3-384 hash: 1fcb381edca5ab47a4630c0daa003bad9e034e83060fac6601ca0e22e1e5dac17ec914826f54adba8b258e78d78db22a
SHA1 hash: caa13c92b0a0e51556fc4fdfc8ebbd537084adbd
MD5 hash: 5704d2523b41fda3960987e3236ca41b
humanhash: iowa-equal-florida-uranus
File name:mpsl
Download: download sample
Signature Mirai
File size:45'900 bytes
First seen:2025-12-01 23:12:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:+7SSwN6vwVq6YUJqxo7AGG7JtEw4U6j/eI4ubLWeiq4apWRqOixXWo:+7SSHIw6o/JtEw/MerRqNP
TLSH T1CF23E10D51B47B4DCDAE7CB8C0852BA6AD14B19826EA178C5B000C48EF5EDCFF55A878
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
File size (compressed) :45'900 bytes
File size (de-compressed) :131'076 bytes
Format:linux/mipsel
Unpacked file: 5e9106535cf08cf26b46e4fcff1f1a743738129d545eaf84ca847d591640fc4f

Intelligence


File Origin
# of uploads :
1
# of downloads :
50
Origin country :
DE DE
Vendor Threat Intelligence
Details
No details
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
botnet mirai obfuscated packed upx
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.r HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
76 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Deletes system log files
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824020 Sample: mpsl.elf Startdate: 02/12/2025 Architecture: LINUX Score: 76 34 151.242.30.13, 12121, 49864, 49866 RASANAIR Iran (ISLAMIC Republic Of) 2->34 36 daisy.ubuntu.com 2->36 38 Antivirus detection for dropped file 2->38 40 Antivirus / Scanner detection for submitted sample 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 Sample is packed with UPX 2->44 8 mpsl.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 file5 32 /usr/local/bin/infinitd, ELF 8->32 dropped 13 mpsl.elf 8->13         started        15 mpsl.elf 8->15         started        17 mpsl.elf sh 8->17         started        19 3 other processes 8->19 process6 process7 21 mpsl.elf 13->21         started        24 mpsl.elf 15->24         started        26 mpsl.elf 15->26         started        28 sh 17->28         started        30 sh 19->30         started        signatures8 46 Manipulation of devices in /dev 21->46 48 Deletes system log files 21->48
Threat name:
Linux.Worm.Mirai
Status:
Malicious
First seen:
2025-12-01 23:13:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet defense_evasion discovery persistence privilege_escalation upx
Behaviour
Reads runtime system information
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Writes file to system bin folder
Deletes Audit logs
Deletes journal logs
Modifies Watchdog functionality
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 856720566c0be471eb52f05d34b5cb1efb87e4d58f0fc6419a0d7d844bf1e9d5

(this sample)

  
Delivery method
Distributed via web download

Comments