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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d7fd9b29ebb4f3f32f3e7473f336e4546d794e4ec6f1f80ca402214510657b4. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8d7fd9b29ebb4f3f32f3e7473f336e4546d794e4ec6f1f80ca402214510657b4
SHA3-384 hash: 5d9388eb579ef584c857ae9780a65b40afb01fd30746de21fa67fe208117efc6ac58e6c037405c31b442387fa9eba819
SHA1 hash: bbf865c4e74a18594c2978ec232ef65588f6789d
MD5 hash: 60cb23b995dfabd4bbdac73a59b4e7f9
humanhash: social-fish-yellow-arizona
File name:linux_arm7
Download: download sample
Signature Kaiji
Create hunting rule
File size:2'097'152 bytes
First seen:2026-09-16 07:55:33 UTC
Last seen:2026-09-17 05:21:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:gNwGGRggwEGpD5IaZIJzIDgliOAMUh1Rskiq1zpQHCaRU7axVL0rKSk3dVh/cviW:VrcNoLd3z82T16
TLSH T173A50857B8918582C4E42677ACBE81C833635EB99B8653266D04FE3C3EBF2D90E35354
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 :
2
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Malware.Kaiji-9992785-0
Create hunting rule

Unix.Malware.Kaiji-9993888-0
Create hunting rule

Unix.Malware.Kaiji-10000905-0
Create hunting rule

Unix.Malware.Kaiji-10002375-0
Create hunting rule

Unix.Malware.Kaiji-10003730-0
Create hunting rule

Unix.Malware.Kaiji-10003738-0
Create hunting rule

Unix.Malware.Kaiji-10003978-0
Create hunting rule

Unix.Malware.Kaiji-10014302-0
Create hunting rule

Unix.Malware.Kaiji-10017581-0
Create hunting rule

Unix.Malware.Kaiji-10028720-0
Create hunting rule

YARA.RUSSIANPANDA_Kaiji_Ares.UNOFFICIAL
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Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
base64
Link:
https://www.filescan.io/uploads/6aaa4ba4ed93e90f127fe426/reports/b30fa681-c19b-4e35-85b1-46f50145e7ee/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-09-16T05:14:00Z UTC
Last seen:
2026-09-16T14:57:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/8d7fd9b29ebb4f3f32f3e7473f336e4546d794e4ec6f1f80ca402214510657b4/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b9535d6a-5a85-4675-a545-db2a96645106
Behavior Graph:
Download SVG
%3 guuid=24a0ee98-1c00-0000-cabb-0602a1080000 pid=2209 /usr/bin/sudo guuid=8377379c-1c00-0000-cabb-0602a9080000 pid=2217 /tmp/sample.bin guuid=24a0ee98-1c00-0000-cabb-0602a1080000 pid=2209->guuid=8377379c-1c00-0000-cabb-0602a9080000 pid=2217 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/2589be78-c2f2-4dd6-911e-86e379f584ca
Result
Threat name:
Kaiji
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1973577
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1973577 Sample: linux_arm7.elf Startdate: 16/09/2026 Architecture: LINUX Score: 88 86 zz.woshisaob.club 176.65.139.251, 25195, 58262 STORMINDUSTRIESHostingServicesUS Netherlands 2->86 88 www.google.com 2->88 90 Suricata IDS alerts for network traffic 2->90 92 Antivirus / Scanner detection for submitted sample 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 Yara detected Kaiji 2->96 10 linux_arm7.elf 2->10         started        12 systemd cron 2->12         started        14 systemd cron 2->14         started        16 5 other processes 2->16 signatures3 process4 process5 18 linux_arm7.elf linux_arm7.elf 10->18         started        22 cron 12->22         started        24 cron 14->24         started        file6 76 /etc/profile.d/gateway.sh, Bourne-Again 18->76 dropped 78 /etc/profile.d/bash_cfg.sh, Bourne-Again 18->78 dropped 80 /etc/init.d/x11-common, POSIX 18->80 dropped 82 44 other files (43 malicious) 18->82 dropped 98 Sample tries to set files in /etc globally writable 18->98 100 Sample tries to persist itself using /etc/profile 18->100 102 Drops files in suspicious directories 18->102 26 linux_arm7.elf bash 18->26         started        30 linux_arm7.elf service systemctl 18->30         started        32 linux_arm7.elf service systemctl 18->32         started        38 6 other processes 18->38 34 cron sh 22->34         started        36 cron sh 24->36         started        signatures7 process8 file9 84 /etc/crontab, ASCII 26->84 dropped 104 Sample tries to persist itself using cron 26->104 40 service 30->40         started        42 service basename 30->42         started        52 2 other processes 30->52 44 service 32->44         started        54 3 other processes 32->54 46 sh .mod 34->46         started        48 sh .mod 36->48         started        50 bash 32676 38->50         started        56 7 other processes 38->56 signatures10 process11 process12 58 service systemctl 40->58         started        60 service sed 40->60         started        62 service systemctl 44->62         started        64 service sed 44->64         started        66 .mod 46->66         started        68 .mod 48->68         started        70 32676 sleep 50->70         started        72 32676 sleep 50->72         started        74 3 other processes 50->74
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8d7fd9b29ebb4f3f32f3e7473f336e4546d794e4ec6f1f80ca402214510657b4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8d7fd9b29ebb4f3f32f3e7473f336e4546d794e4ec6f1f80ca402214510657b4/
Threat name:
Linux.Trojan.Kaiji
Create hunting rule
Status:
Malicious
First seen:
2026-09-16 08:11:27 UTC
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rv75tmu6xnht6mxt45dt6m3oivdnpfhe5rxr7agkiarbiuigk62a._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji botnet defense_evasion discovery execution persistence privilege_escalation ransomware
Link:
https://tria.ge/reports/260916-jsxb7s1y4q/
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.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/8d7fd9b29ebb4f3f32f3e7473f336e4546d794e4ec6f1f80ca402214510657b4

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
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Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:F01_s1ckrule
Create hunting rule
Author:s1ckb017
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:Linux_Generic_Threat_a40aaa96
Create hunting rule
Author:Elastic Security
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Suspicious_Golang_Binary
Create hunting rule
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
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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

Kaiji

elf 8d7fd9b29ebb4f3f32f3e7473f336e4546d794e4ec6f1f80ca402214510657b4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3917299/
  
Delivery method
Distributed via web download

Comments