MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b9b7ce7bfe54a7e3ab6d8c1c8ca5ef6c8d51de3e3da5e7e42977e27128ac1f44. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b9b7ce7bfe54a7e3ab6d8c1c8ca5ef6c8d51de3e3da5e7e42977e27128ac1f44
SHA3-384 hash: e0e71a6e563b26a5d047cc60fed661f17a10b81f3c087b535a9ab2e07e7f6142be10e7bb614ebe5218854cd4ecdda581
SHA1 hash: ca10d23ebc6648df22100eb8e142a68e87d541c7
MD5 hash: a95bfa61f543f7af16614bd810be45ec
humanhash: golf-yankee-oregon-batman
File name:mipsel
Download: download sample
File size:509'272 bytes
First seen:2025-06-07 15:45:42 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 12288:7A84JF9Qc8GgZxTM6m1U3snB6NnVuqnAtSyBpywBdlEykR6LkV6N0L8AXwtZJHZz:/M6m1U3rVuqAtSySwY1gEIZB
TLSH T1C4B402118F881F87C5AFCD750A2E167311AEDD9F46CAA43E807CDD48B6A6D0D6783C98
Magika elf
Reporter abuse_ch
Tags:elf

Intelligence

File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68445f438bd5d68a12e65433linux22vpnfull_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
DNS request
Runs as daemon
Creates directories
Changes access rights for a written file
Opens a port
Receives data from a server
Sends data to a server
Changes the time when the file was created, accessed, or modified
Creates or modifies files in /cron to set up autorun
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
custom
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b9b7ce7bfe54a7e3ab6d8c1c8ca5ef6c8d51de3e3da5e7e42977e27128ac1f44
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7219938e-d57b-48a8-81cf-012cd7da5f6b
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.spyw
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1708978
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: 1708978 Sample: mipsel.elf Startdate: 07/06/2025 Architecture: LINUX Score: 68 38 112.91.94.48, 21583 UNICOM-DONGGUAN-IDCChinaUnicomGuangdongIPnetworkCN China 2->38 40 92.101.92.27, 21583 ROSTELECOM-ASRU Russian Federation 2->40 42 102 other IPs or domains 2->42 44 Multi AV Scanner detection for submitted file 2->44 46 Connects to many ports of the same IP (likely port scanning) 2->46 10 mipsel.elf configuration 2->10         started        signatures3 process4 process5 12 mipsel.elf sh 10->12         started        14 configuration 10->14         started        17 mipsel.elf sh 10->17         started        signatures6 19 sh crontab 12->19         started        23 sh 12->23         started        54 Opens /sys/class/net/* files useful for querying network interface information 14->54 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 14->56 25 configuration 14->25         started        27 sh crontab 17->27         started        process7 file8 36 /var/spool/cron/crontabs/tmp.ylmStf, ASCII 19->36 dropped 48 Sample tries to persist itself using cron 19->48 50 Executes the "crontab" command typically for achieving persistence 19->50 29 sh crontab 23->29         started        32 configuration 25->32         started        signatures9 process10 signatures11 52 Executes the "crontab" command typically for achieving persistence 29->52 34 configuration 32->34         started        process12
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b9b7ce7bfe54a7e3ab6d8c1c8ca5ef6c8d51de3e3da5e7e42977e27128ac1f44
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b9b7ce7bfe54a7e3ab6d8c1c8ca5ef6c8d51de3e3da5e7e42977e27128ac1f44/
Threat name:
Linux.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2025-06-07 15:46:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xg344676kst6hk3nrqoizjppnsgvdxr6hws6pzbjo7rhckfmd5ca._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm defense_evasion discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/250607-s7q86stsft/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Checks CPU configuration
Reads CPU attributes
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/a905f2bb-28a3-44c9-abad-621c43e92c9a
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/b9b7ce7bfe54a7e3ab6d8c1c8ca5ef6c8d51de3e3da5e7e42977e27128ac1f44

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 b9b7ce7bfe54a7e3ab6d8c1c8ca5ef6c8d51de3e3da5e7e42977e27128ac1f44

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3558217/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments