MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4091ca7fa7e2f9c332868973d8bcc7d01d6bdeb45d2767a798a806e609570c2. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4091ca7fa7e2f9c332868973d8bcc7d01d6bdeb45d2767a798a806e609570c2
SHA3-384 hash: 3f12ffc3c4e39bc9d4c50003e3cee7d3290c40633cf154eab680fe558e5ebb762d393ab319a1e5e8b89e976cd96f950c
SHA1 hash: 58b6b095a6c60877eb552ce297780b9006ca78d2
MD5 hash: fabd5bb38a69f5d86a8d8dc948c68f3f
humanhash: carolina-twenty-bravo-harry
File name:arm926t
Download: download sample
File size:480'792 bytes
First seen:2025-07-02 05:34:29 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:ndLGtVtlmIHk6Rtx02O6R+9X8C5SGEzf:pGntlzJx02O6E9X8XG
TLSH T1DFA40294E9819B62C2C801BFFF0F45BC77A31F69E1EA71068D16EB1662D745A4F7E800
telfhash t186c08c8c0fd401beba7d72a203bef2bf61a072f0be0224920404eb6f074c584028144c
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
10
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=6864c51fc9eb974737654cd2linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a file in the %temp% directory
Creates directories
Sends data to a server
Creating a process from a recently created file
Changes the time when the file was created, accessed, or modified
Locks files
Collects information on the CPU
Connection attempt
Changes access rights for a written file
Launching a process
Opens a port
Runs as daemon
Receives data from a server
DNS request
Creates or modifies files in /cron to set up autorun
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/6864c5227423ff017c3b3b26/reports/44e08c03-1acc-4214-98e8-b4fd99673e0f/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c5cbf14c-d12c-4207-8e7c-1f1e1a12ba33
Behavior Graph:
Download SVG
%3 guuid=a5cd3c74-1a00-0000-322f-02767b0b0000 pid=2939 /usr/bin/sudo guuid=a630fb76-1a00-0000-322f-0276830b0000 pid=2947 /tmp/sample.bin guuid=a5cd3c74-1a00-0000-322f-02767b0b0000 pid=2939->guuid=a630fb76-1a00-0000-322f-0276830b0000 pid=2947 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8cb2bfed-5831-46cf-8ec9-6c8bb0469b4e
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1726922
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1726922 Sample: arm926t.elf Startdate: 02/07/2025 Architecture: LINUX Score: 68 40 185.152.188.54, 6881, 8189 WSP-AS1ES Spain 2->40 42 27.34.67.49, 9978 WLINK-NEPAL-AS-APWorldLinkCommunicationsPvtLtdNP Nepal 2->42 44 102 other IPs or domains 2->44 50 Multi AV Scanner detection for submitted file 2->50 52 Connects to many ports of the same IP (likely port scanning) 2->52 10 dash rm arm926t.elf configuration 2->10         started        12 dash rm 2->12         started        signatures3 process4 process5 14 arm926t.elf sh 10->14         started        16 configuration 10->16         started        19 arm926t.elf sh 10->19         started        signatures6 21 sh crontab 14->21         started        25 sh 14->25         started        46 Opens /sys/class/net/* files useful for querying network interface information 16->46 48 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->48 27 configuration 16->27         started        29 sh crontab 19->29         started        process7 file8 38 /var/spool/cron/crontabs/tmp.Z9DAzk, ASCII 21->38 dropped 54 Sample tries to persist itself using cron 21->54 56 Executes the "crontab" command typically for achieving persistence 21->56 31 sh crontab 25->31         started        34 configuration 27->34         started        signatures9 process10 signatures11 58 Executes the "crontab" command typically for achieving persistence 31->58 36 configuration 34->36         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4091ca7fa7e2f9c332868973d8bcc7d01d6bdeb45d2767a798a806e609570c2
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4091ca7fa7e2f9c332868973d8bcc7d01d6bdeb45d2767a798a806e609570c2/
Verdict:
Malicious
Threat:
Linux.Trojan.SAgnt
Link:
https://tip.neiki.dev/file/a4091ca7fa7e2f9c332868973d8bcc7d01d6bdeb45d2767a798a806e609570c2
Threat name:
Linux.Trojan.SAgnt
Create hunting rule
Status:
Malicious
First seen:
2025-07-02 05:35:20 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=uqerzj72pyxzymzinclt3c6mpua5npplixjhm6tzrkag4yevodba._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250702-f97byssrv2/
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:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/80d23440-991e-4927-ac2c-ad5c63169971
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/a4091ca7fa7e2f9c332868973d8bcc7d01d6bdeb45d2767a798a806e609570c2

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 a4091ca7fa7e2f9c332868973d8bcc7d01d6bdeb45d2767a798a806e609570c2

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558169/
  
Delivery method
Distributed via web download

Comments