MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c833a1a79e09fab6c4380e9d988cd8a2fdeff0dfcc7baffd5e5818433d35e742. 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 7 File information Comments
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SHA256 hash: c833a1a79e09fab6c4380e9d988cd8a2fdeff0dfcc7baffd5e5818433d35e742
SHA3-384 hash: 68dc685e1e2e394d73db289a027fba6aac1fcc0b90efa10f204db702a25af305593634be4b32f9e71fde26a7afcc10c7
SHA1 hash: 0b49ce020fa37c3edda178331f6ca2df2d49a487
MD5 hash: 14eeafc8ec8d1433c57622e2a5f95c41
humanhash: chicken-alabama-table-virginia
File name:efefa7
Download: download sample
Signature Mirai
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File size:177'344 bytes
First seen:2025-03-27 19:12:53 UTC
Last seen:2025-03-28 04:49:33 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:PTHs919t/G/A6kDaQSMLaVKT7D74fMRv/MfBGfO7QM/9JN3NOf0:PTHi1HwJmaQSMLaVKfDGMh/MJGfOkM/r
TLSH T105043C56A6818A13C0D6177AFBDF424533239764D3EB33069928BFB43F867AE0E63505
telfhash t1d541f03957b69416a661cd60c8fd97b2291e8a132384ef33df36c98c341508aea1ac4f
Magika elf
Reporter abuse_ch
Tags:elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
70
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30423.LX.BOT.UNOFFICIAL
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Unix.Dropper.Mirai-7135925-0
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Unix.Dropper.Mirai-7135928-0
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Unix.Trojan.Mirai-9441505-0
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Unix.Trojan.Mirai-9760303-0
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Unix.Trojan.Gafgyt-9939811-0
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Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Deleting a recently created file
Creating a file
Removes directories
Deletes a file
Runs as daemon
Connection attempt
Receives data from a server
Opens a port
DNS request
Sends data to a server
Deletes a system binary file
Substitutes an application name
Deleting of the original file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm bash gcc lolbin mirai remote
Link:
https://www.filescan.io/uploads/67e5a35eb0f1f45f8da859a2/reports/93a7852a-ef11-4c42-81f8-697f3df0b54e/overview
Result
Verdict:
UNKNOWN
Malware family:
Mirai
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6053845c-d4df-4dba-b579-b5427fe3c723
Result
Threat name:
Mirai
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Detection:
malicious
Classification:
troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1650563
Signature
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Sample deletes itself
Sends malformed DNS queries
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1650563 Sample: efefa7.elf Startdate: 27/03/2025 Architecture: LINUX Score: 76 20 raw.awaken-network.net. [malformed] 2->20 22 109.202.202.202, 80 INIT7CH Switzerland 2->22 24 3 other IPs or domains 2->24 26 Multi AV Scanner detection for submitted file 2->26 28 Yara detected Mirai 2->28 8 efefa7.elf 2->8         started        signatures3 30 Sends malformed DNS queries 20->30 process4 process5 10 efefa7.elf 8->10         started        signatures6 32 Sample deletes itself 10->32 13 efefa7.elf 10->13         started        16 efefa7.elf 10->16         started        18 efefa7.elf 10->18         started        process7 signatures8 34 Manipulation of devices in /dev 13->34
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c833a1a79e09fab6c4380e9d988cd8a2fdeff0dfcc7baffd5e5818433d35e742
Detection:
mirai
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Link:
https://mwdb.cert.pl/sample/c833a1a79e09fab6c4380e9d988cd8a2fdeff0dfcc7baffd5e5818433d35e742/
Threat name:
Linux.Backdoor.Mirai
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Status:
Malicious
First seen:
2025-03-27 19:13:26 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=zaz2dj46bh5lnrbyb2ozrdgyul6674g7zr5277k6lamegpjv45ba._file
Result
Malware family:
mirai
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Score:
  10/10
Tags:
family:mirai botnet:botnet credential_access discovery
Link:
https://tria.ge/reports/250327-xw75rsynx2/
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Deletes itself
Malware Config
C2 Extraction:
141.98.10.142
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/c833a1a79e09fab6c4380e9d988cd8a2fdeff0dfcc7baffd5e5818433d35e742

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
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Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:F01_s1ckrule
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Author:s1ckb017
Rule name:linux_generic_ipv6_catcher
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Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_8299c877
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Author:Elastic Security
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
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Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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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 c833a1a79e09fab6c4380e9d988cd8a2fdeff0dfcc7baffd5e5818433d35e742

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3477315/
  
Delivery method
Distributed via web download

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