MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa4623388e2ba283923b877335f421b2c4deb6e30f42e21bf45b5fa5f4d60630. 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


Gafgyt


Vendor detections: 11


Intelligence 11 IOCs YARA 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fa4623388e2ba283923b877335f421b2c4deb6e30f42e21bf45b5fa5f4d60630
SHA3-384 hash: 5c8b6a41d89cbb7f7c0c305644da7ab5be151767c7bdb23c72c2ab3e65f55ef507166de0683946cffad85787c0869da6
SHA1 hash: 89b49eed840a8d730abf6a63752c291a9f22866d
MD5 hash: da3c8cfb6a53df8c34350c291db1e348
humanhash: cat-avocado-xray-failed
File name:da3c8cfb6a53df8c34350c291db1e348
Download: download sample
Signature Gafgyt
Create hunting rule
File size:138'776 bytes
First seen:2024-03-03 13:04:55 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:aOQxoHQIuTBhmi1mOYaAFft/0rAHpFUtP5haC2ddGKn1XvmyhQaS+pg7J:ajmOYaAFfGtP5haC2JNvmyhQaSGg7J
TLSH T10BD31905D4509B23C2D2677AFF9E464F37225BE4AB9B332256296EB02FC179D2E3D410
telfhash t1be213003a5b98a192fb79d64ac7c06f11261a623b3417eb0ef1ec1848d37002b839c9b
Reporter zbetcheckin
Tags:32 arm elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
103
Origin country :
FR FR
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
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Unix.Dropper.Mirai-7136029-0
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Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Dropper.Mirai-7489238-0
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Unix.Trojan.Mirai-7582945-0
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Unix.Trojan.Mirai-9864781-0
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Unix.Trojan.Mirai-9917488-0
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Removes directories from a temporary directory
Removes directories
Deletes a file
Sends data to a server
Connection attempt
Launching a process
Substitutes an application name
Deleting of the original file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt lolbin phishing remote
Link:
https://www.filescan.io/uploads/65e4758b95e2f0fb7a8a85cc/reports/97c71ba5-2a58-47de-85af-4e9f61ed7ed6/overview
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/014891cc-e8a1-40c9-8678-4f0f3b3358f6
Result
Threat name:
Mirai, Gafgyt
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Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1402143
Signature
Antivirus / Scanner detection for submitted sample
Deletes all firewall rules
Deletes security-related log files
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Sample deletes itself
Snort IDS alert for network traffic
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402143 Sample: uZc4NM1YZF.elf Startdate: 03/03/2024 Architecture: LINUX Score: 100 66 94.156.64.143, 41330, 9821 TERASYST-ASBG Bulgaria 2->66 68 Snort IDS alert for network traffic 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 4 other signatures 2->74 12 uZc4NM1YZF.elf 2->12         started        signatures3 process4 signatures5 82 Opens /proc/net/* files useful for finding connected devices and routers 12->82 84 Sample deletes itself 12->84 15 uZc4NM1YZF.elf 12->15         started        process6 process7 17 uZc4NM1YZF.elf 15->17         started        process8 19 uZc4NM1YZF.elf sh 17->19         started        21 uZc4NM1YZF.elf sh 17->21         started        23 uZc4NM1YZF.elf sh 17->23         started        25 10 other processes 17->25 process9 27 sh service systemctl 19->27         started        30 sh rm 21->30         started        32 sh iptables 23->32         started        34 sh service systemctl 25->34         started        36 sh rm 25->36         started        38 sh rm 25->38         started        40 7 other processes 25->40 signatures10 76 Tries to stop the "iptables" service 27->76 42 service 27->42         started        44 service basename 27->44         started        46 service basename 27->46         started        48 service systemctl 27->48         started        78 Deletes security-related log files 30->78 80 Deletes all firewall rules 32->80 50 service 34->50         started        52 service basename 34->52         started        54 service basename 34->54         started        56 service systemctl 34->56         started        process11 process12 58 service systemctl 42->58         started        60 service sed 42->60         started        62 service systemctl 50->62         started        64 service sed 50->64         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fa4623388e2ba283923b877335f421b2c4deb6e30f42e21bf45b5fa5f4d60630
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fa4623388e2ba283923b877335f421b2c4deb6e30f42e21bf45b5fa5f4d60630/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-03-03 09:00:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7jdcgoeoforiher3q5ztl5bbwlcn5nxdb5boeg7ulnp2l5gwayya._file
Result
Malware family:
gafgyt
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Score:
  10/10
Tags:
family:gafgyt evasion
Link:
https://tria.ge/reports/240303-qbhk2sbd83/
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Reads system network configuration
Deletes log files
Enumerates running processes
Reads CPU attributes
Reads system routing table
Changes its process name
Deletes Audit logs
Deletes itself
Deletes system logs
Flushes firewall rules
Writes DNS configuration
Malware Config
C2 Extraction:
94.156.64.143:9821
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
BASHLITE
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/fa4623388e2ba283923b877335f421b2c4deb6e30f42e21bf45b5fa5f4d60630

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:Linux_Gafgyt_Generic_A
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Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
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Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
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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

Gafgyt

elf fa4623388e2ba283923b877335f421b2c4deb6e30f42e21bf45b5fa5f4d60630

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2774966/

Comments


Avatar
zbet commented on 2024-03-03 13:04:56 UTC

url : hxxp://94.156.64.143/.ivn.arm6