MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b99d95cd9e7f78c778d599dfc59fda1fbc09b2e0c3f8846804d08eb69515599. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b99d95cd9e7f78c778d599dfc59fda1fbc09b2e0c3f8846804d08eb69515599
SHA3-384 hash: 270930fb650c103ad0ba47b291d0a9336dac3817d2cc6a9b8b0c7faa2b3d1f70ea881db8fe33e19611181df5a84be13d
SHA1 hash: 8483cc10752f1a9e9522c892d014af5f57a58534
MD5 hash: 2747d9230b9aa21ed316d865169dc52f
humanhash: king-sink-kitten-ten
File name:armv7l
Download: download sample
Signature Mirai
Create hunting rule
File size:101'040 bytes
First seen:2026-01-19 19:34:19 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:CxW1f/gmaYk02jv8YPcgNYCokqvAbzIcao:CxW1ng0k02jB/gvEZ
TLSH T1B4A312E6F11E4A70D3B79172985130B573020CBC68297BEA485357A638FA4DA53CFDE2
Magika elf
Reporter abuse_ch
Tags:elf mirai UPX
File size (compressed) :101'040 bytes
File size (de-compressed) :252'696 bytes
Format:linux/arm
Unpacked file: c340a0b6ff24e7af00ea503f9c7ca6b46edebe00f01c20461e1fda09e994b8a1

Intelligence

File Origin
# of uploads :
1
# of downloads :
111
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/9cd07101-cfc0-40a4-b2cc-b39f82dbd1b5/
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/696e87425db9ae477089354a/reports/6555bd49-73df-4cd7-acf9-fc3b6b0e3c87/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-01-19T17:49:00Z UTC
Last seen:
2026-01-20T13:33:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/2b99d95cd9e7f78c778d599dfc59fda1fbc09b2e0c3f8846804d08eb69515599/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e6a355db-9b38-4422-9dee-e4d2940853b0
Behavior Graph:
Download SVG
%3 guuid=44677bbf-1a00-0000-6b89-d53ffb0a0000 pid=2811 /usr/bin/sudo guuid=f62657c2-1a00-0000-6b89-d53f020b0000 pid=2818 /tmp/sample.bin guuid=44677bbf-1a00-0000-6b89-d53ffb0a0000 pid=2811->guuid=f62657c2-1a00-0000-6b89-d53f020b0000 pid=2818 execve
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5b6ac56e-7164-4d85-bf46-0d9bcb3eed9e
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1853595
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/2b99d95cd9e7f78c778d599dfc59fda1fbc09b2e0c3f8846804d08eb69515599
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2b99d95cd9e7f78c778d599dfc59fda1fbc09b2e0c3f8846804d08eb69515599/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-01-19 12:43:16 UTC
AV detection:
8 of 38 (21.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fom5sxgz473yy54nlgo7ywp5uh54bgzobq7yqruajueow2krkwmq._file
Result
Malware family:
n/a
Score:
  5/10
Tags:
discovery upx
Link:
https://tria.ge/reports/260119-yaa4kscv6g/
Behaviour
Reads runtime system information
Changes its process name
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/cc7d198a-5ed4-44ca-a44c-68a428cc614e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.64
Link:
https://yomi.yoroi.company/submissions/2b99d95cd9e7f78c778d599dfc59fda1fbc09b2e0c3f8846804d08eb69515599

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
Create hunting rule
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:upx_packed_elf_v1
Create hunting rule
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 2b99d95cd9e7f78c778d599dfc59fda1fbc09b2e0c3f8846804d08eb69515599

(this sample)

Mirai

elf c340a0b6ff24e7af00ea503f9c7ca6b46edebe00f01c20461e1fda09e994b8a1

  
URLhaus
https://urlhaus.abuse.ch/url/3755918/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 c340a0b6ff24e7af00ea503f9c7ca6b46edebe00f01c20461e1fda09e994b8a1
  
Dropping
MD5 8953a26e0946486a185e9983fca35473
  
URLhaus
https://urlhaus.abuse.ch/url/3748046/
  
URLhaus
https://urlhaus.abuse.ch/url/3755963/

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