MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91942f5b16d7ba715a796febdce49d0eb2c4850910a807ed78005336b3d5afdf. 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 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 91942f5b16d7ba715a796febdce49d0eb2c4850910a807ed78005336b3d5afdf
SHA3-384 hash: e01afce04bc62e1412bbd700a339d00907e5dc000c740a6572d2507b315239e1289f7b59013f6bfc0eabf66ccb363ed1
SHA1 hash: a93f1cd423605322a0bb2850615a0fe5aea1b3a0
MD5 hash: 0633df94906121f546d6df8970ed58ae
humanhash: lithium-aspen-oscar-asparagus
File name:0633df94906121f546d6df8970ed58ae
Download: download sample
Signature Mirai
Create hunting rule
File size:60'560 bytes
First seen:2024-02-12 05:37:48 UTC
Last seen:2024-02-12 12:46:15 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:gTlheJ5bdegbnBoSAs3dULQvQ4r5G1rqkS+WM/j:ZP3bnBoBs+LuSlj
TLSH T13743F107D2BA9573DB741D709CF44F42FA5908F1DAEE2A1B621E7AB07A0048437AA7D0
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 arm elf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
88
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.ELF.Mirai-BUZ.21732.3133.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Launching a process
Kills processes
Receives data from a server
Creating a process from a recently created file
Gains root access
Runs as daemon
Connection attempt
Changes access rights for a file
Sends data to a server
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug mirai packed upx
Link:
https://www.filescan.io/uploads/65c9aebf90a5367ac0c0f4f1/reports/294ec9d1-2037-4697-8945-e408435098d2/overview
Result
Verdict:
MALICIOUS
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6a10b4c2-775b-407e-be22-1683c8e2de49
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Link:
https://www.joesandbox.com/analysis/1390521
Signature
Deletes all firewall rules
Executes the "iptables" command to insert, remove and/or manipulate rules
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1390521 Sample: krQn2xtW1F.elf Startdate: 12/02/2024 Architecture: LINUX Score: 60 24 5.181.80.126, 16, 48146, 48148 TELEHOUSE-ASBG Bulgaria 2->24 26 daisy.ubuntu.com 2->26 28 Multi AV Scanner detection for submitted file 2->28 30 Sample is packed with UPX 2->30 9 krQn2xtW1F.elf 2->9         started        signatures3 process4 process5 11 krQn2xtW1F.elf 9->11         started        process6 13 krQn2xtW1F.elf 11->13         started        process7 15 krQn2xtW1F.elf iptables 13->15         started        18 krQn2xtW1F.elf iptables 13->18         started        20 krQn2xtW1F.elf iptables 13->20         started        22 4 other processes 13->22 signatures8 32 Executes the "iptables" command to insert, remove and/or manipulate rules 15->32 34 Deletes all firewall rules 22->34
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/91942f5b16d7ba715a796febdce49d0eb2c4850910a807ed78005336b3d5afdf
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/91942f5b16d7ba715a796febdce49d0eb2c4850910a807ed78005336b3d5afdf/
Threat name:
Linux.Trojan.Mirai
Create hunting rule
Status:
Malicious
First seen:
2024-02-12 01:33:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=sgkc6wyw265hcwtzn7v5zze5b2zmjbijccuap3lyabjtnm6vv7pq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
Link:
https://tria.ge/reports/240212-gbp6fsdf8x/
Behaviour
Reads runtime system information
Flushes firewall rules
Modifies Watchdog functionality
Writes DNS configuration
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/91942f5b16d7ba715a796febdce49d0eb2c4850910a807ed78005336b3d5afdf

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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

File information

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

Web download

Mirai

elf 91942f5b16d7ba715a796febdce49d0eb2c4850910a807ed78005336b3d5afdf

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2759954/

Comments


Avatar
zbet commented on 2024-02-12 05:37:48 UTC

url : hxxp://5.181.80.126/loki.arm7