MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 286fe5b977996e2d656e55251e7d062e8a60133829441f76dc23d14c4fdb5965. 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 5 File information Comments

SHA256 hash: 286fe5b977996e2d656e55251e7d062e8a60133829441f76dc23d14c4fdb5965
SHA3-384 hash: 08eda5389a4bf5d4ec6c3aa442d2ac1545f27fb3bf651818eb443ed56c6d433d669ec64b1fd37bc25cad39f67b6468db
SHA1 hash: 5164460e457568f21d4571050cbdd9262f7326b0
MD5 hash: 2a2c7ac66af702a5b053e3a31072b4df
humanhash: queen-december-sierra-skylark
File name:amd64
Download: download sample
File size:482'032 bytes
First seen:2025-05-22 21:06:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:XD6LPBCvMk0O9na1M80cLt9i5aIaTtpc4Bq:T+QGO9naz0Szi5anTtRB
TLSH T128A41212E290D8FEC5DAC17042AFD27AFD767C544234BC6B61D8F6322B3AE601B07A55
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 :
1
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a process from a recently created file
Changes access rights for a written file
Creates directories
DNS request
Creating a file in the %temp% directory
Changes the time when the file was created, accessed, or modified
Launching a process
Sends data to a server
Opens a port
Locks files
Creating a file
Receives data from a server
Runs as daemon
Collects information on the CPU
Creates or modifies files in /cron to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
56 / 100
Signature
Executes the "crontab" command typically for achieving persistence
Opens /sys/class/net/* files useful for querying network interface information
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1697253 Sample: amd64.elf Startdate: 22/05/2025 Architecture: LINUX Score: 56 33 5.102.205.133, 55942 XFONEIL Israel 2->33 35 46.150.91.177, 63685 VOLIA-ASUA Ukraine 2->35 37 102 other IPs or domains 2->37 9 amd64.elf configuration 2->9         started        process3 process4 11 amd64.elf sh 9->11         started        13 configuration 9->13         started        signatures5 16 sh crontab 11->16         started        20 sh 11->20         started        45 Opens /sys/class/net/* files useful for querying network interface information 13->45 47 Sample reads /proc/mounts (often used for finding a writable filesystem) 13->47 22 configuration 13->22         started        process6 file7 31 /var/spool/cron/crontabs/tmp.MS0PIp, ASCII 16->31 dropped 39 Sample tries to persist itself using cron 16->39 41 Executes the "crontab" command typically for achieving persistence 16->41 24 sh crontab 20->24         started        27 configuration 22->27         started        signatures8 process9 signatures10 43 Executes the "crontab" command typically for achieving persistence 24->43 29 configuration 27->29         started        process11
Threat name:
Linux.Trojan.Generic
Status:
Suspicious
First seen:
2025-05-22 21:07:52 UTC
File Type:
ELF64 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Checks CPU configuration
Checks hardware identifiers (DMI)
Creates/modifies Cron job
Enumerates running processes
Reads MAC address of network interface
Reads hardware information
Renames itself
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
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 286fe5b977996e2d656e55251e7d062e8a60133829441f76dc23d14c4fdb5965

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments