MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c40cc8e26845a138560c747862e9d1fb5f4d1bbb4fdcbb34ed81991db23397f4. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: c40cc8e26845a138560c747862e9d1fb5f4d1bbb4fdcbb34ed81991db23397f4
SHA3-384 hash: 39078fd16d977a60006eee4a76e80e7a5fc890472eda4b2be5babd14cbe3f29b59037d4a2098a8720289a01d5a650190
SHA1 hash: dde54017b2c2264653b9eb19e51503f092349c45
MD5 hash: 4b682f2c36fa28f127eb1e29505b24a5
humanhash: green-winter-pennsylvania-artist
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-06-09 21:42:32 UTC
Last seen:2025-06-10 18:40:20 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T1ABC42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
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 :
5
# of downloads :
116
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
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Launching a process
Sends data to a server
Opens a port
Creating a file
Locks files
Receives data from a server
Runs as daemon
Collects information on the CPU
Creates or modifies files in /cron to set up autorun
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 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
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: 1710317 Sample: i686.elf Startdate: 09/06/2025 Architecture: LINUX Score: 68 38 31.200.249.146, 31762, 38904 NETRACK-ASRU Russian Federation 2->38 40 5.16.188.169, 51988, 6881 ZTELECOM-ASRU Russian Federation 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 i686.elf configuration 2->10         started        signatures3 process4 process5 12 i686.elf sh 10->12         started        14 configuration 10->14         started        17 i686.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.RMVjd8, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 configuration 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 configuration 32->34         started        process12
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-06-09 21:43:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
execution linux persistence privilege_escalation rootkit
Behaviour
Creates/modifies Cron job
Loads a kernel module
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 c40cc8e26845a138560c747862e9d1fb5f4d1bbb4fdcbb34ed81991db23397f4

(this sample)

  
Delivery method
Distributed via web download

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