MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa33aa987815c9e8e11e2a8375e2a19b911229ac6997b7627faf2f500dd9d88d. 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: 7


Intelligence 7 IOCs YARA 3 File information Comments

SHA256 hash: fa33aa987815c9e8e11e2a8375e2a19b911229ac6997b7627faf2f500dd9d88d
SHA3-384 hash: a9fe4792837d357972bcefc7dfb9ccebfcf735d52c904c7c179dca3ba9c2c43ae93027cc557201334bcd4fde7d7c103c
SHA1 hash: a480b7646f2175df5e289510c2d8765591dcd369
MD5 hash: 9a1470d69ce1b0abaa396075fe2d5481
humanhash: quiet-xray-crazy-cup
File name:i686
Download: download sample
File size:587'764 bytes
First seen:2025-06-12 03:23:14 UTC
Last seen:2025-06-13 00:30:04 UTC
File type: elf
MIME type:application/x-executable
ssdeep 12288:5D+Azf/CVCW3ISw+hRNb3W/aTyA9VV/cZWLnR98V+:5D+AznCVNIZ+vNbG/WYWrR98V
TLSH T143C42241EAB7C0F2F6534A320103E7BF8F33C9099165D2A6D742F661EDB1B42469E66C
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 :
3
# of downloads :
78
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process from a recently created file
Collects information on the CPU
DNS request
Receives data from a server
Creating a file
Sends data to a server
Launching a process
Runs as daemon
Creating a file in the %temp% directory
Changes access rights for a written file
Connection attempt
Creates directories
Changes the time when the file was created, accessed, or modified
Opens a port
Locks files
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
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: 1712831 Sample: i686.elf Startdate: 12/06/2025 Architecture: LINUX Score: 56 37 47.86.167.191, 40696, 6881 VODANETInternationalIP-BackboneofVodafoneDE United States 2->37 39 143.177.125.148, 5713, 6881 VERSATELASfortheTrans-EuropeanTele2IPTransportbackbo Netherlands 2->39 41 101 other IPs or domains 2->41 9 i686.elf configuration 2->9         started        process3 process4 11 i686.elf sh 9->11         started        13 configuration 9->13         started        16 i686.elf sh 9->16         started        signatures5 18 sh crontab 11->18         started        22 sh 11->22         started        49 Opens /sys/class/net/* files useful for querying network interface information 13->49 51 Sample reads /proc/mounts (often used for finding a writable filesystem) 13->51 24 configuration 13->24         started        26 sh crontab 16->26         started        process6 file7 35 /var/spool/cron/crontabs/tmp.MPbRLN, ASCII 18->35 dropped 43 Sample tries to persist itself using cron 18->43 45 Executes the "crontab" command typically for achieving persistence 18->45 28 sh crontab 22->28         started        31 configuration 24->31         started        signatures8 process9 signatures10 47 Executes the "crontab" command typically for achieving persistence 28->47 33 configuration 31->33         started        process11
Gathering data
Threat name:
Linux.Trojan.SAgnt
Status:
Malicious
First seen:
2025-06-12 09:28:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
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: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 fa33aa987815c9e8e11e2a8375e2a19b911229ac6997b7627faf2f500dd9d88d

(this sample)

  
Delivery method
Distributed via web download

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