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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da647646cd36a3acb716b4266e9032f9c1caf555b7667e1dbe5bef89e7d2fdbb. 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 6 File information Comments 1

SHA256 hash: da647646cd36a3acb716b4266e9032f9c1caf555b7667e1dbe5bef89e7d2fdbb
SHA3-384 hash: 222246f25f91edfc05ffb657e7a44499549bf96d8810e236e5e181f61fa0236e96ed71229fa68e0058c4c1fd2d9382c9
SHA1 hash: 398614898be6e5c07e2aaf4f22d3ac37209238ee
MD5 hash: 4cc589ca2c0954550b9e5e1a9eed2209
humanhash: lion-apart-bluebird-virginia
File name:dadda
Download: download sample
Signature Kaiji
File size:4'567'040 bytes
First seen:2022-05-10 23:54:04 UTC
Last seen:2022-05-12 08:29:48 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:AG9oY3yvjGO1WsNqbhHEtS8hX1222zw/dODRxGUEwBjL7dU9owbO7FW0VF1:AGFgjzWsP2zLDRR9
TLSH T18F262851FECB90B6D5031E3140ABE2AF57316D054F24EB97EA007F6AE97B6920D3620D
telfhash t128a29c7315ada8ec67f08813866f7110cee6e42726d0287119f7b8d0e772e53673a978
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter 1ZRR4H
Tags:CVE-2022-1388 elf kaiji

Intelligence


File Origin
# of uploads :
4
# of downloads :
376
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug kaiji
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
18
Number of processes launched:
14
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Persistence
Botnet C2s
TCP botnet C2(s):
20.187.86.47:8080
UDP botnet C2(s):
not identified
Result
Threat name:
Unknown
Detection:
malicious
Classification:
spre.troj.evad
Score:
60 / 100
Signature
Drops files in suspicious directories
Machine Learning detection for sample
Performs DNS queries to domains with low reputation
Sample tries to persist itself using /etc/profile
Sample tries to persist itself using cron
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 624050 Sample: dadda Startdate: 11/05/2022 Architecture: LINUX Score: 60 106 neverwinwlaq.xyz 2->106 108 neverwinwlaq.xyz 20.187.86.47, 47134, 8080 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 2->108 110 4 other IPs or domains 2->110 112 Machine Learning detection for sample 2->112 11 dadda 2->11         started        14 systemd System.img.config 2->14         started        16 systemd cron 2->16         started        18 4 other processes 2->18 signatures3 114 Performs DNS queries to domains with low reputation 106->114 process4 file5 104 /etc/32678, POSIX 11->104 dropped 20 dadda dadda 11->20         started        24 dadda service systemctl 11->24         started        26 dadda 32678 11->26         started        28 System.img.config 32678 14->28         started        30 System.img.config service systemctl 14->30         started        32 System.img.config pkill 14->32         started        34 System.img.config System.img.config 14->34         started        36 cron 16->36         started        process6 file7 94 /etc/profile.d/bash_config.sh, POSIX 20->94 dropped 96 /etc/init.d/ssh, POSIX 20->96 dropped 98 /etc/init.d/linux_kill, POSIX 20->98 dropped 100 /.img, POSIX 20->100 dropped 116 Sample tries to persist itself using /etc/profile 20->116 118 Drops files in suspicious directories 20->118 38 dadda bash 20->38         started        42 dadda service systemctl 20->42         started        52 6 other processes 20->52 54 4 other processes 24->54 44 32678 sleep 26->44         started        46 32678 id.services.conf 28->46         started        48 32678 sleep 28->48         started        56 4 other processes 30->56 50 cron sh 36->50         started        signatures8 process9 file10 102 /etc/crontab, ASCII 38->102 dropped 120 Sample tries to persist itself using cron 38->120 58 service 42->58         started        66 3 other processes 42->66 60 id.services.conf service systemctl 46->60         started        62 id.services.conf 32678 46->62         started        68 2 other processes 46->68 64 sh 50->64         started        70 8 other processes 52->70 72 2 other processes 54->72 74 2 other processes 56->74 signatures11 process12 process13 76 service systemctl 58->76         started        78 service sed 58->78         started        80 service 60->80         started        82 service basename 60->82         started        84 service basename 60->84         started        86 service systemctl 60->86         started        88 32678 sleep 62->88         started        process14 90 service systemctl 80->90         started        92 service sed 80->92         started       
Threat name:
Linux.Trojan.ReverseShell
Status:
Malicious
First seen:
2022-05-10 23:27:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
11 of 26 (42.31%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
linux
Behaviour
Reads runtime system information
Write file to user bin folder
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:F01_s1ckrule
Author:s1ckb017
Rule name:GoBinTest
Rule name:golang
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
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 da647646cd36a3acb716b4266e9032f9c1caf555b7667e1dbe5bef89e7d2fdbb

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
commented on 2022-05-11 11:25:33 UTC

Botnet C2:
neverwinwlaq.xyz:8080 [20.187.86.47]