MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da38e3f623a52bf9faaace39b6dfc6bf4e91a92ad8b13679a9e7869c8b93c362. 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: 13


Intelligence 13 IOCs YARA 5 File information Comments

SHA256 hash: da38e3f623a52bf9faaace39b6dfc6bf4e91a92ad8b13679a9e7869c8b93c362
SHA3-384 hash: 35a2d1e4635b5c73dea13bc9da2a5d34f358b6011bd28aa6c626070ee6eeb0ce1226906fa40a79cec442890029f84274
SHA1 hash: 26ac061843855e38d1a7fb8352d5d4c7a90caee1
MD5 hash: 5a5dfa46d56e5b39bb0e63a8b376dbc4
humanhash: oklahoma-quiet-lion-victor
File name:z0r0.i686
Download: download sample
Signature Mirai
File size:33'004 bytes
First seen:2025-01-05 13:22:03 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:ar3y3AWzDZU5LS4Ucg37/LSkv495+7DJRPJH2fweo2tW:3HzlUhS4UcHL58RGho2tW
TLSH T17EE2E1A771FCC82FFE621B7FC5EA9D582000B7A18A752576F34C040E55752A63F686C2
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 gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
109
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
DNS request
Opens a port
Sends data to a server
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug masquerade mirai packed upx
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Detected Mirai
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
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: 1584422 Sample: z0r0.i686.elf Startdate: 05/01/2025 Architecture: LINUX Score: 100 29 156.100.32.214 XNSTGCA United States 2->29 31 163.151.39.71 WESTCHESTERCOUNTY-NYUS United States 2->31 33 98 other IPs or domains 2->33 35 Suricata IDS alerts for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Detected Mirai 2->39 41 6 other signatures 2->41 8 z0r0.i686.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 z0r0.i686.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 z0r0.i686.elf 16->20         started        23 z0r0.i686.elf 16->23         started        25 z0r0.i686.elf 16->25         started        27 2 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-01-05 04:02:54 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
discovery linux rootkit upx
Behaviour
Loads a kernel module
Contacts a large (152258) amount of remote hosts
Creates a large amount of network flows
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-7646352-0
YARA:
n/a
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:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:UPXProtectorv10x2
Author:malware-lu
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf da38e3f623a52bf9faaace39b6dfc6bf4e91a92ad8b13679a9e7869c8b93c362

(this sample)

  
Delivery method
Distributed via web download

Comments