MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21. 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: 10


Intelligence 10 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21
SHA3-384 hash: c19e4fa620277e674ffd76ba06ca38891204ffc9b1d4b19c4fc8167892a9b666e3e4119548bff039f603d149043f8439
SHA1 hash: 2da328fe1075c3af685523d833e543950fd3db30
MD5 hash: 516c9e53430eded0975095eac83546ac
humanhash: low-football-bluebird-friend
File name:linux_mips
Download: download sample
Signature Kaiji
Create hunting rule
File size:2'293'760 bytes
First seen:2026-01-15 18:07:35 UTC
Last seen:2026-01-16 02:26:48 UTC
File type: elf
MIME type:application/x-executable
ssdeep 24576:cdz8hxtvZ8T0p+gpvRYvyVW1Z0tWJ/RVXbwqel9OFI+TcR:TFpWxgqelga+u
TLSH T130B53A137F28D70EC71521344DB2CB94676A6C8A07D6A517BB81F319B8B20AC4E6EDF1
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
Magika elf
Reporter abuse_ch
Tags:elf kaiji

Intelligence

File Origin
# of uploads :
3
# of downloads :
85
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-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

Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 crypto golang
Link:
https://www.filescan.io/uploads/69692d293dd9d2095055f632/reports/952f8df3-4135-46d8-aa54-6ad24de2eab2/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-14T03:36:00Z UTC
Last seen:
2026-01-15T19:00:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Linux.Agent.ne
Link:
https://opentip.kaspersky.com/ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/d56f7fbf-a3d3-458b-9544-e9bd8b81a36c
Behavior Graph:
Download SVG
%3 guuid=d5d5b6ce-1700-0000-916b-74b5d3090000 pid=2515 /usr/bin/sudo guuid=8da895d1-1700-0000-916b-74b5dc090000 pid=2524 /tmp/sample.bin guuid=d5d5b6ce-1700-0000-916b-74b5d3090000 pid=2515->guuid=8da895d1-1700-0000-916b-74b5dc090000 pid=2524 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/7c79bf64-c646-4f0f-baf9-34ab94117216
Result
Threat name:
Kaiji
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1851574
Signature
Multi AV Scanner detection for submitted file
Yara detected Kaiji
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1851574 Sample: linux_mips.elf Startdate: 15/01/2026 Architecture: LINUX Score: 56 14 109.202.202.202, 80 INIT7CH Switzerland 2->14 16 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->16 18 2 other IPs or domains 2->18 20 Multi AV Scanner detection for submitted file 2->20 22 Yara detected Kaiji 2->22 6 dash rm 2->6         started        8 dash cat 2->8         started        10 dash head 2->10         started        12 8 other processes 2->12 signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21/
Verdict:
Malicious
Threat:
Family.KAIJI
Link:
https://tip.neiki.dev/file/ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21
Threat name:
Linux.Trojan.Multiverze
Create hunting rule
Status:
Malicious
First seen:
2026-01-15 18:02:02 UTC
File Type:
ELF32 Big (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vncsl6ap7pogl4jhoygzjtqfxeuwu3dc6y7wf73pvqnjekqkdiqq._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji discovery execution persistence privilege_escalation
Link:
https://tria.ge/reports/260115-wq5l1shx2e/
Behaviour
Command and Scripting Interpreter: Unix Shell
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Creates/modifies Cron job
Executes dropped EXE
Kaiji
Kaiji family
Verdict:
Malicious
Tags:
Unix.Malware.Kaiji-9992785-0
YARA:
n/a
Link:
https://app.threat.zone/submission/3d99ed59-e1ba-41c5-b5e2-2c8903cbdb03
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/ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21

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
Create hunting rule
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: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 ab4525f80ffbdc65f127760d94ce05b9296a6c62f63f62ff6fac1a922a0a1a21

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3758678/
  
Delivery method
Distributed via web download

Comments