MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99f716c9474fc86abbeaabec4b41756adfe036530cd7e156b6e924f6b1ee92ff. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments

SHA256 hash: 99f716c9474fc86abbeaabec4b41756adfe036530cd7e156b6e924f6b1ee92ff
SHA3-384 hash: 6e3d6297f5e174b6aab3cbe64460337f59a9de4c979d15cce3080e8ab25340cddbd7661abb6378d0135d954db5646571
SHA1 hash: 6c9970240ab9950a9e22fdb4d39df1a508c69614
MD5 hash: 7999d6fd550fd6797ae1af046b2e0eef
humanhash: bulldog-alaska-early-salami
File name:Mark90c80.arm5
Download: download sample
Signature Mirai
File size:51'520 bytes
First seen:2025-12-28 07:43:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:VzXKoMCwMpNP+uC8Xs5pGaFUyynDlwBmIwQfoc6tpVMgRNnl7zGn:4CwYB+urqpGaFUnnDqBmIwQqt/Z
TLSH T17133F8A6BC929A5BC5C027B6772F564A336263A5C2CF3353CC184B0427CA71F8E63E41
telfhash t11df05904fe7e8e1948e6a9b0dc7c0660d9036227a5b24b21ef66dad1cc3e494e31cd5d
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 6e04ebb5902187654c319021840c486cbc8e9202325d35fd668b5545956d6d7c
File size (compressed) :23'812 bytes
File size (de-compressed) :51'520 bytes
Format:linux/arm
Packed file: 6e04ebb5902187654c319021840c486cbc8e9202325d35fd668b5545956d6d7c

Intelligence


File Origin
# of uploads :
1
# of downloads :
49
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
masquerade mirai rust
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=059e617d-1900-0000-f0dd-570f1a050000 pid=1306 /usr/bin/sudo guuid=73beff7f-1900-0000-f0dd-570f21050000 pid=1313 /tmp/sample.bin guuid=059e617d-1900-0000-f0dd-570f1a050000 pid=1306->guuid=73beff7f-1900-0000-f0dd-570f21050000 pid=1313 execve
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840722 Sample: Mark90c80.arm5.elf Startdate: 28/12/2025 Architecture: LINUX Score: 48 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 python3.8 dpkg 2->10         started        12 Mark90c80.arm5.elf 2->12         started        signatures3 process4
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-28 02:42:17 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
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10056451-0
YARA:
n/a
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: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

File information


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

Web download

Mirai

elf 99f716c9474fc86abbeaabec4b41756adfe036530cd7e156b6e924f6b1ee92ff

(this sample)

  
Delivery method
Distributed via web download

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