MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9d8517ed2a3e54906357b868724ffe03d22fb8a04e73d85383cd3e1f6d6e6e1. 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



Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: b9d8517ed2a3e54906357b868724ffe03d22fb8a04e73d85383cd3e1f6d6e6e1
SHA3-384 hash: 8528763f680c176bad70837df65d9d7eb8b2fe4d31591be36cfed4e204a514e29093eee51a33848dde8a507898d20377
SHA1 hash: 73ecee8d34c67df0741487efec6c78aacf67b614
MD5 hash: 3bb2e7d72fd63d3792fd1f81dfad413e
humanhash: moon-king-double-bakerloo
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-06-04 13:27:46 UTC
Last seen:2025-06-04 19:37:20 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T197C42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
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

Intelligence


File Origin
# of uploads :
2
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
trojandropper shellcode virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Runs as daemon
Collects information on the CPU
Connection attempt
Changes access rights for a written file
Receives data from a server
Locks files
DNS request
Opens a port
Sends data to a server
Launching a process
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Creating a file
Creates directories
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw.evad
Score:
76 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Executes the "crontab" command typically for achieving persistence
Multi AV Scanner detection for submitted file
Opens /sys/class/net/* files useful for querying network interface information
Performs DNS queries to domains with low reputation
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Writes ELF files to hidden directories
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1705965 Sample: i686.elf Startdate: 04/06/2025 Architecture: LINUX Score: 76 57 sourire-magique.xyz 2->57 59 31.200.249.162, 31856, 35460 NETRACK-ASRU Russian Federation 2->59 61 102 other IPs or domains 2->61 65 Multi AV Scanner detection for submitted file 2->65 67 Connects to many ports of the same IP (likely port scanning) 2->67 15 i686.elf configuration 2->15         started        signatures3 69 Performs DNS queries to domains with low reputation 57->69 process4 process5 17 i686.elf sh 15->17         started        19 configuration 15->19         started        22 i686.elf sh 15->22         started        signatures6 24 sh crontab 17->24         started        28 sh 17->28         started        71 Opens /sys/class/net/* files useful for querying network interface information 19->71 73 Sample reads /proc/mounts (often used for finding a writable filesystem) 19->73 30 configuration 19->30         started        32 sh crontab 22->32         started        process7 file8 55 /var/spool/cron/crontabs/tmp.GiAP9B, ASCII 24->55 dropped 77 Sample tries to persist itself using cron 24->77 79 Executes the "crontab" command typically for achieving persistence 24->79 34 sh crontab 28->34         started        37 configuration 30->37         started        signatures9 process10 signatures11 63 Executes the "crontab" command typically for achieving persistence 34->63 39 configuration 37->39         started        process12 file13 53 /root/.sys/sdxghg, ELF 39->53 dropped 75 Writes ELF files to hidden directories 39->75 43 configuration 39->43         started        signatures14 process15 process16 45 configuration sh 43->45         started        process17 47 sh sdxghg 45->47         started        process18 49 sdxghg 47->49         started        process19 51 sdxghg 49->51         started       
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2025-06-04 13:28:57 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
execution linux persistence privilege_escalation rootkit
Behaviour
Creates/modifies Cron job
Executes dropped EXE
Loads a kernel module
Verdict:
Informative
Tags:
n/a
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:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
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

elf b9d8517ed2a3e54906357b868724ffe03d22fb8a04e73d85383cd3e1f6d6e6e1

(this sample)

  
Delivery method
Distributed via web download

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