MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91c1033251b4c1f0cfb5458f20576f2b211039c5ee74d83690ed561acb8809f6. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91c1033251b4c1f0cfb5458f20576f2b211039c5ee74d83690ed561acb8809f6
SHA3-384 hash: 954c213cffb7138b96daf9e478550062346ac24905428120a2f460077d54424df65b71d058b4f67d58faf74e4740f4a6
SHA1 hash: 579acc1930e8f18619b7e67e137baf2f9e6cd044
MD5 hash: cede2279e704f48ffa40a7b76d56e11f
humanhash: quebec-march-river-mississippi
File name:Orbt.arm6
Download: download sample
Signature Mirai
Create hunting rule
File size:194'044 bytes
First seen:2025-10-21 23:23:52 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:r5ntBybkfETcLQw/QnfWozX1kkGOaeN1oRcZwAq63jT9HYak4:r5ntBTmQZEHX1kktazzAqMn9HYH4
TLSH T1AA141946F8819B56C5D112BAFE1D228E33131B78E2DE32029D246F31778B9AF0E7B515
telfhash t1d7d02b7750c9137871d92a10cbe5261302b0744567012972099dbf7b4146bc4b10a126
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 929ce06684884cf7d4dddf3de3ceb7d2be24e7622864045a7bd8e6846016e1af
File size (compressed) :74'160 bytes
File size (de-compressed) :194'044 bytes
Format:linux/arm
Packed file: 929ce06684884cf7d4dddf3de3ceb7d2be24e7622864045a7bd8e6846016e1af

Intelligence

File Origin
# of uploads :
1
# of downloads :
56
Origin country :
NL NL
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30435.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999-6.UNOFFICIAL
Create hunting rule

Unix.Trojan.Mirai-7100807-0
Create hunting rule

Unix.Dropper.Mirai-7135897-0
Create hunting rule

Unix.Dropper.Mirai-7135901-0
Create hunting rule

Unix.Dropper.Mirai-7135909-0
Create hunting rule

Unix.Trojan.Mirai-7135916-0
Create hunting rule

Unix.Dropper.Mirai-7135918-0
Create hunting rule

Unix.Dropper.Mirai-7135954-0
Create hunting rule

Unix.Dropper.Mirai-7136016-0
Create hunting rule

Unix.Dropper.Mirai-7136028-0
Create hunting rule

Unix.Trojan.Mirai-8025795-0
Create hunting rule

Unix.Dropper.Mirai-10007027-0
Create hunting rule

Unix.Trojan.Mirai-10009361-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
lolbin masquerade remote threat
Link:
https://www.filescan.io/uploads/68f8163c3a79800405ef9562/reports/7aa25c51-4ded-4e03-af1b-5d77c902c4c3/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-10-21T19:44:00Z UTC
Last seen:
2025-10-21T22:42:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/91c1033251b4c1f0cfb5458f20576f2b211039c5ee74d83690ed561acb8809f6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/3dd89dd0-ca83-407d-9894-eb62c822197e
Behavior Graph:
Download SVG
%3 guuid=8bd94a02-1800-0000-ebfb-9a1bad0b0000 pid=2989 /usr/bin/sudo guuid=14713305-1800-0000-ebfb-9a1bb40b0000 pid=2996 /tmp/sample.bin guuid=8bd94a02-1800-0000-ebfb-9a1bad0b0000 pid=2989->guuid=14713305-1800-0000-ebfb-9a1bb40b0000 pid=2996 execve
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/68c8da3c-e861-4c5e-8bc3-68e566984ea5
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1799493
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91c1033251b4c1f0cfb5458f20576f2b211039c5ee74d83690ed561acb8809f6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91c1033251b4c1f0cfb5458f20576f2b211039c5ee74d83690ed561acb8809f6/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-10-21 23:25:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=shaqgmsrwta7bt5viwhsav3pfmqraoof5z2nqnuq5vlbvs4ibh3a._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai
Link:
https://tria.ge/reports/251021-3d17dssqas/
Malware Config
C2 Extraction:
mirailoversddos.duckdns.org
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/91c1033251b4c1f0cfb5458f20576f2b211039c5ee74d83690ed561acb8809f6

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:SUSP_XORed_Mozilla_Oct19
Create hunting rule
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Create hunting rule
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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 929ce06684884cf7d4dddf3de3ceb7d2be24e7622864045a7bd8e6846016e1af

Mirai

elf 91c1033251b4c1f0cfb5458f20576f2b211039c5ee74d83690ed561acb8809f6

(this sample)

  
Dropped by
SHA256 929ce06684884cf7d4dddf3de3ceb7d2be24e7622864045a7bd8e6846016e1af
  
URLhaus
https://urlhaus.abuse.ch/url/3682116/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 83b4296d9b7c2a2305cd4aa4d6db0faa

Comments