MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 9fad2717f07e581f57ced808f352592b9b6dd0506b1207294ec537292dfe4ee5. 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


Kaiji


Vendor detections: 8


Intelligence 8 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 9fad2717f07e581f57ced808f352592b9b6dd0506b1207294ec537292dfe4ee5
SHA3-384 hash: 86d9be92708fa31f052511ff5713d30dd18d01488ff03f1a9f39c610bae2f131e4ab6fb54a69f339fa2747310527b32e
SHA1 hash: 8f2ce7a93d0bc62f0896c3bc3225dd354026e234
MD5 hash: 46acfaf4506ca3dcc85bfe9f0b7fda09
humanhash: snake-nevada-carolina-victor
File name:linux_mipsel
Download: download sample
Signature Kaiji
Create hunting rule
File size:1'474'236 bytes
First seen:2025-08-14 21:06:44 UTC
Last seen:2025-08-15 00:15:32 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:YJvxBn12rC11kvh2E6WhsfKfVwtHXivG2+/z9Rifi5S9Y0o59+5fCO4b/XkX+uee:YJ5B12ikvh2EkyVmyAmXYZ5kKfPkXIaB
TLSH T17265339B6C4C7D9BD54EA22B16FBFE4AF5C06649FC94288C7725991CB0D700328FE216
Magika elf
Reporter abuse_ch
Tags:elf kaiji UPX
File size (compressed) :1'474'236 bytes
File size (de-compressed) :5'898'240 bytes
Format:linux/mipsel
Unpacked file: 4d5d20e4dfd0f85bb9f2c08690a7734896c6e2a7e1a647d66b189ea4703e5912

Intelligence

File Origin
# of uploads :
3
# of downloads :
62
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Other.Malware-gen.76986236.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
DNS request
Locks files
Changes the time when the file was created, accessed, or modified
Receives data from a server
Creating a file
Connection attempt
Sets a written file as executable
Manages services
Sets a file as executable
Launching a process
Sends data to a server
Creating a process from a recently created file
Writes files to system subdirectory
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/b071807f-aa4d-41c0-8acf-76fcf2d5749b
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1757454
Signature
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1757454 Sample: linux_mipsel.elf Startdate: 14/08/2025 Architecture: LINUX Score: 52 12 109.202.202.202, 80 INIT7CH Switzerland 2->12 14 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->14 16 2 other IPs or domains 2->16 18 Multi AV Scanner detection for submitted file 2->18 20 Sample is packed with UPX 2->20 6 dash rm 2->6         started        8 dash rm 2->8         started        10 linux_mipsel.elf 2->10         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/9fad2717f07e581f57ced808f352592b9b6dd0506b1207294ec537292dfe4ee5
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/9fad2717f07e581f57ced808f352592b9b6dd0506b1207294ec537292dfe4ee5/
Verdict:
Malicious
Threat:
HEUR:Trojan.Linux.Chaos
Link:
https://tip.neiki.dev/file/9fad2717f07e581f57ced808f352592b9b6dd0506b1207294ec537292dfe4ee5
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2025-08-14 21:10:54 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=t6wsof7qpzmb6v6o3aepguszfonw3ucqnmjaokkoyu3sslp6j3sq._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji defense_evasion discovery persistence privilege_escalation upx
Link:
https://tria.ge/reports/250814-z1hrsa1tdv/
Behaviour
GoLang User-Agent
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Enumerates running processes
Modifies init.d
Modifies systemd
Executes dropped EXE
Modifies Watchdog functionality
Kaiji
Kaiji family
kaiji_chaosbot
Verdict:
Unknown
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/ca06b84a-db85-461a-a6b4-84163bed3dd9
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/9fad2717f07e581f57ced808f352592b9b6dd0506b1207294ec537292dfe4ee5

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:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
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: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.

Web download

Kaiji

elf 9fad2717f07e581f57ced808f352592b9b6dd0506b1207294ec537292dfe4ee5

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3603553/
  
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_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments