MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bade655c3fbc781d32e99a729769c7e714e26eb310841de45b3c5c454fee26eb. 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: 6


Intelligence 6 IOCs YARA 13 File information Comments 1

SHA256 hash: bade655c3fbc781d32e99a729769c7e714e26eb310841de45b3c5c454fee26eb
SHA3-384 hash: cf8e964b336b80f5767f8ab8197c57f9b217788ad0dc06e08072b48d7810abac9e4258d5c3eb5862fd472ace53a7d8eb
SHA1 hash: f74264b64b4392a9ba8ae8ba91c2df33a680f6dc
MD5 hash: d46f7c127737245367ddd59020965f2d
humanhash: robin-victor-fish-batman
File name:d46f7c127737245367ddd59020965f2d
Download: download sample
Signature Kaiji
File size:5'308'416 bytes
First seen:2023-05-19 22:06:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 24576:f0hITSaxCsmLTRScFkLwYgib6kEVtQ2gLApZf3vrTXKWXDReUHxeR7j81v9oT19e:GsLSjzCX1H9qzaiKRFjIIlkK1VI1V
TLSH T147362A87B8824682C4E4367ABCBD81D533630EB9AB9752576D05FE3C3EBE1990E35314
telfhash t1e6d0125bae8e17ac7ba1c54c1148428c44d938e0149102ec9f59671bee03e30b1de43a
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 arm elf kaiji

Intelligence


File Origin
# of uploads :
1
# of downloads :
154
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug lolbin
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
201
Number of processes launched:
83
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Signature
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
Writes identical ELF files to multiple locations
Yara detected Kaiji
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 870704 Sample: XPwgWP7P4O.elf Startdate: 20/05/2023 Architecture: LINUX Score: 72 101 109.202.202.202, 80 INIT7CH Switzerland 2->101 103 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->103 105 3 other IPs or domains 2->105 107 Multi AV Scanner detection for submitted file 2->107 109 Yara detected Kaiji 2->109 11 systemd mandb XPwgWP7P4O.elf 2->11         started        13 systemd logrotate 2->13         started        15 systemd cron 2->15         started        17 7 other processes 2->17 signatures3 process4 process5 19 XPwgWP7P4O.elf XPwgWP7P4O.elf 11->19         started        23 logrotate sh 13->23         started        25 logrotate sh 13->25         started        27 logrotate gzip 13->27         started        29 logrotate gzip 13->29         started        31 cron 15->31         started        33 System.mod System.mod 17->33         started        35 System.mod System.mod 17->35         started        file6 91 /usr/lib/system-mark, ELF 19->91 dropped 93 /usr/lib/libgdi.so.0.8.1, ELF 19->93 dropped 95 /usr/bin/ss, ELF 19->95 dropped 97 63 other files (62 malicious) 19->97 dropped 111 Writes identical ELF files to multiple locations 19->111 113 Sample tries to persist itself using /etc/profile 19->113 115 Drops files in suspicious directories 19->115 37 XPwgWP7P4O.elf bash 19->37         started        41 XPwgWP7P4O.elf service systemctl 19->41         started        43 XPwgWP7P4O.elf service systemctl 19->43         started        51 6 other processes 19->51 45 sh invoke-rc.d 23->45         started        47 sh rsyslog-rotate 25->47         started        49 cron sh 31->49         started        signatures7 process8 file9 99 /etc/crontab, ASCII 37->99 dropped 117 Sample tries to persist itself using cron 37->117 53 service 41->53         started        63 3 other processes 41->63 55 service 43->55         started        65 3 other processes 43->65 67 4 other processes 45->67 57 rsyslog-rotate systemctl 47->57         started        59 sh .mod 49->59         started        61 bash 32675 51->61         started        69 7 other processes 51->69 signatures10 process11 process12 71 service systemctl 53->71         started        73 service sed 53->73         started        75 service systemctl 55->75         started        77 service sed 55->77         started        79 .mod libgdi.so.0.8.1 59->79         started        81 32675 opt.services.cfg 61->81         started        83 32675 sleep 61->83         started        85 32675 sleep 61->85         started        process13 87 libgdi.so.0.8.1 libgdi.so.0.8.1 79->87         started        89 opt.services.cfg opt.services.cfg 81->89         started       
Threat name:
Linux.Trojan.Kaiji
Status:
Malicious
First seen:
2023-05-19 22:07:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
persistence
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Modifies Bash startup script
Creates/modifies Cron job
Creates/modifies environment variables
Enumerates running processes
Modifies init.d
Write file to user bin folder
Executes dropped EXE
Modifies Watchdog functionality
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:adonunix2
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
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:QbotStuff
Author:anonymous
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:yara_template

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Kaiji

elf bade655c3fbc781d32e99a729769c7e714e26eb310841de45b3c5c454fee26eb

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-05-19 22:06:46 UTC

url : hxxp://45.61.184.159/ars/linux_arm5