MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 eff8c7a7401d2fe7c5725d06f9014dfc8497e1a257484be3b56c88ca03a4ac2d. 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 4 File information Comments

SHA256 hash: eff8c7a7401d2fe7c5725d06f9014dfc8497e1a257484be3b56c88ca03a4ac2d
SHA3-384 hash: 9d0495f0266b958306eba282fef5972fe348a747fb3c147f980bf142b405ee693a4974950fdcf3e08c8547ba6332c1aa
SHA1 hash: 6bbfc2eb7f4b79f39c3a8a5e183623925ea6682e
MD5 hash: cd076a0792cea7e7b4b454c8fb5d934d
humanhash: twelve-orange-uniform-rugby
File name:mipsel
Download: download sample
File size:509'272 bytes
First seen:2025-07-04 23:07:57 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:7A84JF9Qc8GgZxTM6m1U3snB6NnVuqnAtSyBpywBdlEykR6LkV6N0L8AXwtZJHZz:/M6m1U3rVuqAtSySwY1gEIZB
TLSH T158B402118F881F87C5AFCD750A2E167311AEDD9F46CAA43E807CDD48B6A6D0D6783C98
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence


File Origin
# of uploads :
1
# of downloads :
8
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Changes access rights for a written file
Sends data to a server
Creating a file
Receives data from a server
Changes the time when the file was created, accessed, or modified
Creates directories
Launching a process
Connection attempt
DNS request
Locks files
Creating a process from a recently created file
Runs as daemon
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
exploit gcc
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
custom
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=4f7df8da-1600-0000-a295-57fabb090000 pid=2491 /usr/bin/sudo guuid=979230dd-1600-0000-a295-57fac0090000 pid=2496 /tmp/sample.bin guuid=4f7df8da-1600-0000-a295-57fabb090000 pid=2491->guuid=979230dd-1600-0000-a295-57fac0090000 pid=2496 execve
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: 1729042 Sample: mipsel.elf Startdate: 05/07/2025 Architecture: LINUX Score: 68 42 5.18.234.94, 17674, 6881 ZTELECOM-ASRU Russian Federation 2->42 44 180.195.74.1, 20263 WIN-AS-TH-APWorldInternetworkCoLtdThailandTH Philippines 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 56 Connects to many ports of the same IP (likely port scanning) 2->56 10 mipsel.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 mipsel.elf sh 10->16         started        18 configuration 10->18         started        21 mipsel.elf sh 10->21         started        signatures6 23 sh crontab 16->23         started        27 sh 16->27         started        50 Opens /sys/class/net/* files useful for querying network interface information 18->50 52 Sample reads /proc/mounts (often used for finding a writable filesystem) 18->52 29 configuration 18->29         started        31 sh crontab 21->31         started        process7 file8 40 /var/spool/cron/crontabs/tmp.rTUC9l, ASCII 23->40 dropped 58 Sample tries to persist itself using cron 23->58 60 Executes the "crontab" command typically for achieving persistence 23->60 33 sh crontab 27->33         started        36 configuration 29->36         started        signatures9 process10 signatures11 48 Executes the "crontab" command typically for achieving persistence 33->48 38 configuration 36->38         started        process12
Threat name:
Linux.Trojan.Multiverze
Status:
Malicious
First seen:
2025-07-04 23:08:12 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:
antivm defense_evasion discovery execution persistence privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
Reads CPU attributes
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: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 eff8c7a7401d2fe7c5725d06f9014dfc8497e1a257484be3b56c88ca03a4ac2d

(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_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments