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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e6b9372ebd5a26d520aae97c75605f667b0c64d0c7d0205358dcddfa1d8b1177. 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: 7


Intelligence 7 IOCs YARA 18 File information Comments

SHA256 hash: e6b9372ebd5a26d520aae97c75605f667b0c64d0c7d0205358dcddfa1d8b1177
SHA3-384 hash: c2b0daceef318ce9ea6d0b9bfbada5de6c5b03464c8d936e0f998d231ad5273b92b98ab21f00aa6ddbe9df45b719f2bd
SHA1 hash: 0a4a0595993a598bb19051f1ee6eba9cc1db230b
MD5 hash: a027d4d44902e45b4470a16040223c84
humanhash: gee-diet-oregon-georgia
File name:linux_arm6
Download: download sample
Signature Kaiji
File size:2'097'152 bytes
First seen:2026-09-16 07:55:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:JgCbFbDVZ7bVCj3ozPQPTUkrtQ05OYRWNOrdErF4ff1kRrnnyVhv8uofvsRWA1SH:VCWTuM2T1s
TLSH T12BA50857B8918542C4E42677ACBE81C833635EB99B8663266D04FE3C3EBF2D90E35354
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-16T05:13:00Z UTC
Last seen:
2026-09-16T14:57:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=dcbbdc3d-2100-0000-c32e-92c059060000 pid=1625 /usr/bin/sudo guuid=9e656b41-2100-0000-c32e-92c05e060000 pid=1630 /tmp/sample.bin guuid=dcbbdc3d-2100-0000-c32e-92c059060000 pid=1625->guuid=9e656b41-2100-0000-c32e-92c05e060000 pid=1630 execve
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Drops files in suspicious directories
Multi AV Scanner detection for submitted file
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Suricata IDS alerts for network traffic
Yara detected Kaiji
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1973583 Sample: linux_arm6.elf Startdate: 16/09/2026 Architecture: LINUX Score: 88 82 zz.woshisaob.club 176.65.139.251, 25195, 37012 STORMINDUSTRIESHostingServicesUS Netherlands 2->82 84 www.google.com 2->84 86 Suricata IDS alerts for network traffic 2->86 88 Antivirus / Scanner detection for submitted sample 2->88 90 Multi AV Scanner detection for submitted file 2->90 92 Yara detected Kaiji 2->92 10 linux_arm6.elf 2->10         started        12 systemd cron 2->12         started        14 udisksd dumpe2fs 2->14         started        16 4 other processes 2->16 signatures3 process4 process5 18 linux_arm6.elf linux_arm6.elf 10->18         started        22 cron 12->22         started        file6 72 /etc/profile.d/gateway.sh, Bourne-Again 18->72 dropped 74 /etc/profile.d/bash_cfg.sh, Bourne-Again 18->74 dropped 76 /etc/init.d/x11-common, POSIX 18->76 dropped 78 44 other files (43 malicious) 18->78 dropped 94 Sample tries to set files in /etc globally writable 18->94 96 Sample tries to persist itself using /etc/profile 18->96 98 Drops files in suspicious directories 18->98 24 linux_arm6.elf bash 18->24         started        28 linux_arm6.elf service systemctl 18->28         started        30 linux_arm6.elf service systemctl 18->30         started        34 6 other processes 18->34 32 cron sh 22->32         started        signatures7 process8 file9 80 /etc/crontab, ASCII 24->80 dropped 100 Sample tries to persist itself using cron 24->100 36 service 28->36         started        38 service basename 28->38         started        40 service basename 28->40         started        42 service systemctl 28->42         started        44 service 30->44         started        50 3 other processes 30->50 46 sh .mod 32->46         started        48 bash 32676 34->48         started        52 7 other processes 34->52 signatures10 process11 process12 54 service systemctl 36->54         started        56 service sed 36->56         started        58 service systemctl 44->58         started        60 service sed 44->60         started        62 .mod 46->62         started        64 32676 sleep 48->64         started        66 32676 sleep 48->66         started        68 32676 sleep 48->68         started        70 2 other processes 48->70
Threat name:
Linux.Trojan.Kaiji
Status:
Malicious
First seen:
2026-09-16 08:12:13 UTC
File Type:
ELF32 Little (Exe)
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:kaiji botnet defense_evasion discovery execution persistence privilege_escalation ransomware
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Disables SELinux
Enumerates running processes
Modifies init.d
Modifies systemd
Write file to user bin folder
Executes dropped EXE
Modifies Watchdog functionality
Renames multiple (1004) files with added filename extension
Malware Config
C2 Extraction:
zz.woshisaob.club:25195
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: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: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:Golang_Find_CSC846
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:Linux_Generic_Threat_a40aaa96
Author:Elastic Security
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:Suspicious_Golang_Binary
Author:Tim Machac
Description:Triage: Golang-compiled binary with suspicious OS/persistence/network strings (not family-specific)
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 e6b9372ebd5a26d520aae97c75605f667b0c64d0c7d0205358dcddfa1d8b1177

(this sample)

  
Delivery method
Distributed via web download

Comments