MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834
SHA3-384 hash: 70fa9eb238fb741d722ee693351aa0b28138594dd15180db9a8c5d7b1bf1d01a3202db5948087e54a843e8930a7bab5c
SHA1 hash: 1dd9d2d7e4c0ee593c1ff16514d49c6b5e5b06b8
MD5 hash: 0daac12d5b9fa439baf89013c5069fd3
humanhash: timing-asparagus-seven-cup
File name:xpsh4
Download: download sample
Signature Mirai
Create hunting rule
File size:62'948 bytes
First seen:2025-12-18 21:16:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:caCwtuAPFqcgdEcA5KU3AwHup+CSXHld5Zo:c58PMcgahAUHup+5FPe
TLSH T1F253AE77C8396E64D25581B0B8748E792B53F88482571FFE1A99C27A8047EECF6483F4
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
112
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
a c2 socket address and a scan socket address
Link:
https://research.acce.ciphertechsolutions.com/results/a422ff1e-dd28-4d2a-9f28-62e0a7b51ae1/
Detection(s):
Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Trojan.Mirai-9858729-0
Create hunting rule

Unix.Trojan.Generic-9910199-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Link:
https://www.filescan.io/uploads/69446f29e126b9ff4387b1b4/reports/9467bf62-b48e-43dd-8e6d-cdf3543d3fff/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-18T18:44:00Z UTC
Last seen:
2025-12-20T00:06:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.b
Link:
https://opentip.kaspersky.com/b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b06c4e2b-3fd7-4828-b45e-c94d3f4b84cd
Behavior Graph:
Download SVG
%3 guuid=1e1a8dff-1a00-0000-847c-9e9c7b0b0000 pid=2939 /usr/bin/sudo guuid=8804f801-1b00-0000-847c-9e9c810b0000 pid=2945 /tmp/sample.bin guuid=1e1a8dff-1a00-0000-847c-9e9c7b0b0000 pid=2939->guuid=8804f801-1b00-0000-847c-9e9c810b0000 pid=2945 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d7758f63-e932-4e4b-9b85-1fc6a527d246
Result
Threat name:
Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1835974
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Sample deletes itself
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1835974 Sample: xpsh4.elf Startdate: 18/12/2025 Architecture: LINUX Score: 68 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 94.156.152.67, 18129, 56570 NET1-ASBG Bulgaria 2->21 23 2 other IPs or domains 2->23 25 Antivirus / Scanner detection for submitted sample 2->25 27 Multi AV Scanner detection for submitted file 2->27 29 Yara detected Mirai 2->29 8 xpsh4.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 31 Sample deletes itself 8->31 13 xpsh4.elf 8->13         started        process6 process7 15 xpsh4.elf 13->15         started        17 xpsh4.elf 13->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-18 21:17:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wh6dpfvyzm6ue36hjzwz6btdpkywipyhckb52y5mrioolitpba2a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai linux
Link:
https://tria.ge/reports/251218-z4qxkazmbw/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/d3240f69-ce5e-4ed4-b6ca-0315e98b09b4
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:unixredflags3
Create hunting rule
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 b1fc3796b8cb3d426fc74e6d9f06637ab1643f071283dd63ac8a1ce5a26f0834

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3736607/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3737056/

Comments