MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5a0989fd8d661e1fe553525ad7ae2305aa8df3caa5dc3aa059322ba7ceaae62e. 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: 9


Intelligence 9 IOCs YARA 18 File information Comments

SHA256 hash: 5a0989fd8d661e1fe553525ad7ae2305aa8df3caa5dc3aa059322ba7ceaae62e
SHA3-384 hash: 9d2cb1729768ab1b60cd02f3e53ba4d06801ac96c5ce3e6692004a96133ce943d1b0fd31a0fc33850cf830b260b24fdd
SHA1 hash: 7562c8aca465a60e541a72ea4ac85483ec655893
MD5 hash: ee9f964de67f7f64ff0d93fabb60d6bb
humanhash: sodium-triple-yellow-football
File name:linux_mips
Download: download sample
Signature Kaiji
File size:5'898'240 bytes
First seen:2025-11-13 18:38:28 UTC
Last seen:2025-11-14 00:14:10 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:bzEJH9kX4nazMqH5Erob6XMv7fn3Fh3RiiL4faGD3ukb4h409DkHSkNtZ8FnJe1B:XEfEra+dW
TLSH T10C5617037E18D71EC629223059B2CAE4673A3C8541DBA613B391F31EB9B11AC695FDF1
telfhash t1d1c08c458b20229c7d812dd29e8cf53374e8f563097a109cfe7a9083893c4b3a20c92c
gimphash d32a616709154d99f5f34672a5e693bcff5dc106b2584b8d6f593ff16d689453
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence


File Origin
# of uploads :
2
# of downloads :
71
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Receives data from a server
Manages services
Locks files
Sends data to a server
Launching a process
DNS request
Sets a written file as executable
Creating a file
Creating a process from a recently created file
Changes the time when the file was created, accessed, or modified
Sets a file as executable
Connection attempt
Creates or modifies files in /init.d to set up autorun
Performs a bruteforce attack in the network
Gathering data
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-11-13T15:57:00Z UTC
Last seen:
2025-11-14T10:24:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=e1021e2d-1b00-0000-6b49-1cd5660c0000 pid=3174 /usr/bin/sudo guuid=28521b31-1b00-0000-6b49-1cd5670c0000 pid=3175 /tmp/sample.bin guuid=e1021e2d-1b00-0000-6b49-1cd5660c0000 pid=3174->guuid=28521b31-1b00-0000-6b49-1cd5670c0000 pid=3175 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
56 / 100
Signature
Multi AV Scanner detection for submitted file
Yara detected Chaos
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Kaiji
Status:
Malicious
First seen:
2025-11-13 18:39:29 UTC
File Type:
ELF32 Big (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:kaiji discovery execution persistence privilege_escalation
Behaviour
GoLang User-Agent
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Changes its process name
Creates/modifies Cron job
Executes dropped EXE
Kaiji
Kaiji family
kaiji_chaosbot
Verdict:
Malicious
Tags:
Unix.Malware.Kaiji-10002376-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:GoBinTest
Rule name:golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:Linux_Generic_Threat_a40aaa96
Author:Elastic Security
Rule name:NET
Author:malware-lu
Rule name:ProgramLanguage_Golang
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
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

Kaiji

elf 5a0989fd8d661e1fe553525ad7ae2305aa8df3caa5dc3aa059322ba7ceaae62e

(this sample)

  
Delivery method
Distributed via web download

Comments