MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f52ac8fac077efd856c39036393d1b3b8e6836fde16c8bed4af3881f5888fb49. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f52ac8fac077efd856c39036393d1b3b8e6836fde16c8bed4af3881f5888fb49
SHA3-384 hash: cdf3e9db7eea9daf5a95b08042abe0d3780a4bf879fb0e32d8445fb8e34f90ac93865d5bb22da5ff4d2bdba4696efc54
SHA1 hash: 388bfff2a4da1a4d74475e070f1a99fb0e2734e7
MD5 hash: 80be6f26bbdf78b68975133015619168
humanhash: july-blossom-single-four
File name:arm926t
Download: download sample
File size:480'792 bytes
First seen:2025-07-10 13:29:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:ndLGtVtlmIHk6Rtx02O6R+9X8C5SGEzf:pGntlzJx02O6E9X8XG
TLSH T10AA40294E9819B62C2C801BFFF0F45BC77A31F69E1EA71068D16EB1662D745A4F7E800
telfhash t186c08c8c0fd401beba7d72a203bef2bf61a072f0be0224920404eb6f074c584028144c
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
14
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.9148.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32055.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32057.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32058.LX.BOT.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=686fc071c9eb97473768124alinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Locks files
Creating a file in the %temp% directory
Opens a port
Sends data to a server
Creating a file
Changes the time when the file was created, accessed, or modified
Receives data from a server
Creates directories
Collects information on the CPU
Launching a process
Connection attempt
DNS request
Changes access rights for a written file
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:
  0/10
Confidence:
100%
Tags:
exploit gcc lolbin packed remote
Link:
https://www.filescan.io/uploads/686fc09630bf733323366f18/reports/3cc43384-2b8d-41ca-8818-795f1fe3ff70/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0b05266a-b9fd-4b57-a7e1-b405c729bf05
Behavior Graph:
Download SVG
%3 guuid=556e060c-1900-0000-4067-b789470e0000 pid=3655 /usr/bin/sudo guuid=6d96a20e-1900-0000-4067-b7894e0e0000 pid=3662 /tmp/sample.bin guuid=556e060c-1900-0000-4067-b789470e0000 pid=3655->guuid=6d96a20e-1900-0000-4067-b7894e0e0000 pid=3662 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4acfd7d0-418b-4700-8654-cc7adb53db24
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.spyw
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1732870
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 scans a subnet
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1732870 Sample: arm926t.elf Startdate: 10/07/2025 Architecture: LINUX Score: 72 42 31.200.249.130, 31926, 42130 NETRACK-ASRU Russian Federation 2->42 44 31.200.249.146, 31870, 60144 NETRACK-ASRU Russian Federation 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 58 Sample scans a subnet 2->58 10 arm926t.elf configuration 2->10         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 process5 16 arm926t.elf sh 10->16         started        18 configuration 10->18         started        21 arm926t.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.2WmvS7, ASCII 23->40 dropped 60 Sample tries to persist itself using cron 23->60 62 Executes the "crontab" command typically for achieving persistence 23->62 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/f52ac8fac077efd856c39036393d1b3b8e6836fde16c8bed4af3881f5888fb49
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f52ac8fac077efd856c39036393d1b3b8e6836fde16c8bed4af3881f5888fb49/
Verdict:
Malicious
Threat:
Linux.Trojan.SAgnt
Link:
https://tip.neiki.dev/file/f52ac8fac077efd856c39036393d1b3b8e6836fde16c8bed4af3881f5888fb49
Threat name:
Linux.Trojan.SAgnt
Create hunting rule
Status:
Malicious
First seen:
2025-07-10 13:30:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6uvmr6wao7x5qvwdsa3dspi3hohgqnx54fwix3kk6oeb6wei7neq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250710-qrzjhavwf1/
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/9eeac931-a356-4a9b-8549-c15160669301
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/f52ac8fac077efd856c39036393d1b3b8e6836fde16c8bed4af3881f5888fb49

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
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 f52ac8fac077efd856c39036393d1b3b8e6836fde16c8bed4af3881f5888fb49

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558478/
  
Delivery method
Distributed via web download

Comments