MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5. 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 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5
SHA3-384 hash: 12697e7eddf7d241253c673cee9d34aca580caf1e09d7e0d6defced9ad61e40ccdc0280719391952a7229bc471dbb656
SHA1 hash: 097e71fa54ae92d4aa04b9c703785e1c7267982c
MD5 hash: b2a4c2bc10213fecf5bd8b7c7b0434f8
humanhash: steak-leopard-bulldog-black
File name:agent_linux_arm5
Download: download sample
File size:2'562'900 bytes
First seen:2026-07-23 07:50:59 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 49152:5fbOL2xLLWujEVeBI6mFLLv1xRjJZWcljYQb9Ki0i7ghqi5zE0g:BJxLxjDBzUPtxBIVB5zE0g
TLSH T116C533DEA612F55EA28ED23E17DDF2A391C2D1329DF52D08673867C4F842782712E186
Magika elf
Reporter 1ZRR4H
Tags:elf UPX
File size (compressed) :2'562'900 bytes
File size (de-compressed) :6'422'690 bytes
Format:linux/arm
Unpacked file: 9c67238372dcb009d223553bd8e6a31296d7566a2124b9368fc798e3d957e885

Intelligence

File Origin
# of uploads :
1
# of downloads :
88
Origin country :
CL CL
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/01c5d2b4-78d9-490b-a1b6-9531191d6e81/
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Sends data to a server
Receives data from a server
Collects information on the network activity
Collects information on the CPU
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6a61c8115a90e3a829968715/reports/e68f91c0-9ce5-438d-8baa-b88d8a3650d9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
51
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/238c481c-f294-40f4-9510-bf23dbea067e
Behavior Graph:
Download SVG
%3 guuid=2fc4d5a6-1b00-0000-d804-e460d40a0000 pid=2772 /usr/bin/sudo guuid=c14aaea8-1b00-0000-d804-e460d90a0000 pid=2777 /tmp/sample.bin guuid=2fc4d5a6-1b00-0000-d804-e460d40a0000 pid=2772->guuid=c14aaea8-1b00-0000-d804-e460d90a0000 pid=2777 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/15dd27ee-8802-4de2-ab7c-e56a927624ab
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5/
Threat name:
Linux.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2026-07-20 02:11:07 UTC
File Type:
ELF32 Little (Exe)
AV detection:
4 of 38 (10.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kn5muphrphaufjjti3t22tnia5l5ijrxjcpobpy3ypo7yclqopsq._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
antivm discovery upx
Link:
https://tria.ge/reports/260723-jp8aasac54/
Behaviour
GoLang User-Agent
Enumerates kernel/hardware configuration
Reads runtime system information
Changes its process name
Checks CPU configuration
Looks up external IP address via web service
Reads hardware information
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/537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5

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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

The table below shows additional information about this malware sample such as delivery method and external references.

elf 537aca3cf179c142a53346e7ad4da80757d42637489ee0bf1bc3ddfc097073e5

(this sample)

elf 9c67238372dcb009d223553bd8e6a31296d7566a2124b9368fc798e3d957e885

  
Link
https://blog.offensive-intel.com/cross-platform-rat-deployment-via-wp2shell/
  
Dropping
SHA256 9c67238372dcb009d223553bd8e6a31296d7566a2124b9368fc798e3d957e885
  
Dropping
MD5 8029e8b3e17aed926f3aea5002c63fb4

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