MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bb04c91389c378d79e611c49260b3bb88406356b44978d71da8d242d0cefd4a7. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bb04c91389c378d79e611c49260b3bb88406356b44978d71da8d242d0cefd4a7
SHA3-384 hash: 2de9792acd5b55e12655f92f558ef302f883f0b29bde9e8da7b2b6079f2f1a4dce7681ec7b73da4d254b51ad32413462
SHA1 hash: f112873ee6a94fe4848f88eed46c422772e7fd6e
MD5 hash: 4b3f5424797d1e6f6d4536fc193b1d40
humanhash: magnesium-alpha-whiskey-solar
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-06-08 02:52:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T181C42241EAB7C0F2F65349320103E7BF8F33C9099165D2A6D742F661EDB1B424A9E66C
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 :
145
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31951.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9095.7233.26656.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6844fc9b07b5e8c1cfe5a480linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Launching a process
Connection attempt
Locks files
Creating a file
Runs as daemon
Creates directories
DNS request
Changes access rights for a written file
Creating a file in the %temp% directory
Receives data from a server
Opens a port
Sends data to a server
Changes the time when the file was created, accessed, or modified
Collects information on the CPU
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f5995923-5177-4a6e-83ea-4180042a1da6
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1709121
Signature
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1709121 Sample: i686.elf Startdate: 08/06/2025 Architecture: LINUX Score: 64 42 125.4.54.130, 26424, 6881 ZAQJupiterTelecommunicationsCoLtdJP Japan 2->42 44 194.106.238.188, 51413 WELLCOMKabelplusGmbHvormalsBnetWellcomAT Austria 2->44 46 102 other IPs or domains 2->46 54 Multi AV Scanner detection for submitted file 2->54 10 i686.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 i686.elf sh 10->16         started        18 configuration 10->18         started        21 i686.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.FszOoq, ASCII 23->40 dropped 56 Sample tries to persist itself using cron 23->56 58 Executes the "crontab" command typically for achieving persistence 23->58 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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/bb04c91389c378d79e611c49260b3bb88406356b44978d71da8d242d0cefd4a7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bb04c91389c378d79e611c49260b3bb88406356b44978d71da8d242d0cefd4a7/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-06-08 02:53:25 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 38 (42.11%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xmcmse4jyn4nphtbdresmcz3xccamnllisly24o2rusc2dhp2stq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250608-ddgqbavqw3/
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
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/aa2643ee-7f22-4ec7-b677-485a583a69af
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/bb04c91389c378d79e611c49260b3bb88406356b44978d71da8d242d0cefd4a7

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
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:unixredflags3
Create hunting rule
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 bb04c91389c378d79e611c49260b3bb88406356b44978d71da8d242d0cefd4a7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558166/
  
Delivery method
Distributed via web download

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