MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0710fd9bcb2d9c532bd7d232151669c356ab00f6b78bbf62abeb87d72bbbafa6. 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: 11


Intelligence 11 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 0710fd9bcb2d9c532bd7d232151669c356ab00f6b78bbf62abeb87d72bbbafa6
SHA3-384 hash: f6763c3bc3fadfe75fd5be434be8b5c688ccb67efce0d94ca1faea7bb34b62e239cf0a7728ef4d6c789bb4fadeac0d5c
SHA1 hash: 5417768a56baae32ece71b6596476300190a33fc
MD5 hash: 395caade9a06990e7e16d3acae001aad
humanhash: hamper-quebec-vegan-michigan
File name:linux_mips64el_softfloat
Download: download sample
Signature Kaiji
Create hunting rule
File size:5'963'776 bytes
First seen:2025-02-16 16:07:02 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 98304:Z9mVusEEQ4kVIb0IamIIkmrIGDeII8jOSPMo:bu8VIb0IamIIkmrIGDeII8HMo
TLSH T140560902EEC26E66C5CC037485FE979672507E085B951B2313A8EBA8397773DEF4684C
gimphash 1b609c56b0ebb36513f3d917b8726549e1688926cc8c06385102e07caffa3d74
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 :
100
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30444.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Kaiji-9975495-0
Create hunting rule

Unix.Malware.Kaiji-10002376-0
Create hunting rule

Unix.Malware.Kaiji-10003612-0
Create hunting rule

Unix.Malware.Kaiji-10003670-0
Create hunting rule

Unix.Malware.Kaiji-10025522-0
Create hunting rule

Unix.Malware.Kaiji-10028086-0
Create hunting rule

Unix.Malware.Kaiji-10028719-0
Create hunting rule

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67b20de428ab76d43a5b43f1linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Creating a process from a recently created file
Sets a file as executable
Changes the time when the file was created, accessed, or modified
Launching a process
Manages services
Kills processes
Sends data to a server
Locks files
Creating a file
Sets a written file as executable
Receives data from a server
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
Threat level:
  0/10
Confidence:
100%
Tags:
crypto golang obfuscated
Link:
https://www.filescan.io/uploads/67b20d58991985e0a959e313/reports/1fc91be4-13e4-4f0a-826c-088a1a312bce/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/0710fd9bcb2d9c532bd7d232151669c356ab00f6b78bbf62abeb87d72bbbafa6
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/f0c5f885-b7eb-4558-b10a-4b302d0497da
Result
Threat name:
Chaos
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1616394
Signature
Multi AV Scanner detection for submitted file
Yara detected Chaos
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1616394 Sample: linux_mips64el_softfloat.elf Startdate: 16/02/2025 Architecture: LINUX Score: 56 23 109.202.202.202, 80 INIT7CH Switzerland 2->23 25 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->25 27 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->27 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Chaos 2->31 7 sshd sshd 2->7         started        9 sshd sshd 2->9         started        11 sshd sshd 2->11         started        13 4 other processes 2->13 signatures3 process4 process5 15 sshd 7->15         started        17 sshd 9->17         started        19 sshd 11->19         started        21 sshd 13->21         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/0710fd9bcb2d9c532bd7d232151669c356ab00f6b78bbf62abeb87d72bbbafa6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0710fd9bcb2d9c532bd7d232151669c356ab00f6b78bbf62abeb87d72bbbafa6/
Threat name:
Linux.Trojan.Kaiji
Create hunting rule
Status:
Malicious
First seen:
2025-02-16 16:01:32 UTC
File Type:
ELF64 Little (Exe)
AV detection:
19 of 37 (51.35%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=a4ip3g6lfwofgk6x2izbkftjynlkwahww6f36yvl5od5ok53v6ta._file
Result
Malware family:
kaiji
Create hunting rule
Score:
  10/10
Tags:
family:kaiji discovery
Link:
https://tria.ge/reports/250216-tk3t5askbm/
Behaviour
System Network Configuration Discovery
Verdict:
Malicious
Tags:
trojan kaiji chaos Unix.Trojan.Kaiji-9975495-0
YARA:
ELF_Kaiji_Chaos_April_2024
Link:
https://app.threat.zone/submission/84320251-b52b-47e8-8009-4a1f561478e5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kaiji
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/0710fd9bcb2d9c532bd7d232151669c356ab00f6b78bbf62abeb87d72bbbafa6

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:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
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: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:NET
Create hunting rule
Author:malware-lu
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:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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 0710fd9bcb2d9c532bd7d232151669c356ab00f6b78bbf62abeb87d72bbbafa6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3441969/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3441974/
  
URLhaus
https://urlhaus.abuse.ch/url/3441977/
  
URLhaus
https://urlhaus.abuse.ch/url/3441980/

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