MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2f937d408d8fb49b21dc2dab6719dd4e9764c882f5f0ac5fcbf45b31dc686a05. 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 12 File information Comments

SHA256 hash: 2f937d408d8fb49b21dc2dab6719dd4e9764c882f5f0ac5fcbf45b31dc686a05
SHA3-384 hash: 9c64d00bd90b99e454fb9366c840a90f9164cda0e3252494fb3da52968c9c8c15ccef461cb11a4c7df999fa936315c9d
SHA1 hash: 04ff4b1775f2aa162acef71ff622e2fe51e2a478
MD5 hash: 9c6c277b3c994d14367cbbc3e56a62f2
humanhash: paris-music-freddie-missouri
File name:jackmysh4
Download: download sample
Signature Mirai
File size:72'448 bytes
First seen:2025-02-04 16:36:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:P/s4TQMSa45W5kOfv3E5F6Q18FBYq3W+0qAIhdCqRU1:PUznP5W5kKviFgF6h+ZAIH
TLSH T10463AEA3D8145ED0C5094238A0E18F7D5F63F948675B1EF48E8D84A6940BDECB71E3BA
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 :
93
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
mirai
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1606636 Sample: jackmysh4.elf Startdate: 04/02/2025 Architecture: LINUX Score: 100 29 41.73.35.6, 37215, 60954 NEOLOGY-ASZA South Africa 2->29 31 41.60.37.45 ZOL-ASGB Mauritius 2->31 33 98 other IPs or domains 2->33 37 Suricata IDS alerts for network traffic 2->37 39 Malicious sample detected (through community Yara rule) 2->39 41 Antivirus / Scanner detection for submitted sample 2->41 43 5 other signatures 2->43 8 jackmysh4.elf 2->8         started        10 gnome-session-binary sh gsd-print-notifications 2->10         started        12 xfce4-session rm 2->12         started        signatures3 process4 process5 14 jackmysh4.elf 8->14         started        16 gsd-print-notifications 10->16         started        process6 18 jackmysh4.elf 14->18         started        21 jackmysh4.elf 14->21         started        23 jackmysh4.elf 14->23         started        27 5 other processes 14->27 25 gsd-print-notifications gsd-printer 16->25         started        signatures7 35 Sample tries to kill multiple processes (SIGKILL) 18->35
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2025-02-04 16:37:15 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai linux
Verdict:
Malicious
Tags:
botnet mirai trojan gafgyt Unix.Dropper.Mirai-7136288-0
YARA:
MAL_ELF_LNX_Mirai_Oct10_1 MAL_ELF_LNX_Mirai_Oct10_2 Linux_Trojan_Gafgyt_ea92cca8
Please note that we are no longer able to provide a coverage score for Virus Total.

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:botnet_Yakuza
Author:NDA0E
Description:Yakuza botnet
Rule name:CVE_2017_17215
Author:NDA0E
Description:Detects exploitation attempt of CVE-2017-17215
Rule name:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_1ac392ca
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Author:Elastic Security
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:SUSP_XORed_Mozilla_Oct19
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
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
Rule name:unixredflags3
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 2f937d408d8fb49b21dc2dab6719dd4e9764c882f5f0ac5fcbf45b31dc686a05

(this sample)

  
Delivery method
Distributed via web download

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