MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbf5cf4fd4d2ba1ddebb9ea2da38a1369d5f2142f049ef5b7dd5b4ed4dfaa2c7. 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: 14


Intelligence 14 IOCs YARA 24 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fbf5cf4fd4d2ba1ddebb9ea2da38a1369d5f2142f049ef5b7dd5b4ed4dfaa2c7
SHA3-384 hash: cfa24c88b3e7a2b64ef3dc42a828bfb4d8d622d91b8e13cdc571ed384938e9aa2a6c777f317d795f027bde551bca5b72
SHA1 hash: aa7b0ab2bdeec9ad593eb265328585bd07a9318c
MD5 hash: 87ee9be93be3afc996a5628e692e808c
humanhash: dakota-connecticut-paris-cat
File name:skid.x86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:101'339 bytes
First seen:2025-04-26 13:53:22 UTC
Last seen:Never
File type: elf
MIME type:application/x-sharedlib
ssdeep 3072:62RuRkQT3v9EbYBo7Aphanvn000mr5um2XFYZA0e:6ISVv9csphanvn000mr5um2XFYZA0e
TLSH T12DA34C17A652C67BC087A2F417CB9921AC23B8BD1F23A30673D4BCF82B159D61D99F41
telfhash t1f6b00121eb906524a6b1da0a6a533e48b46a31e5b0756164299f6101b61c64526d3004
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 gafgyt Ladvix

Intelligence

File Origin
# of uploads :
1
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7138855-0
Create hunting rule

Unix.Dropper.Mirai-7540662-0
Create hunting rule

Unix.Tool.Generic-7660959-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Virus.Ladvix-10005306-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=680ce628c8b2e86d0ac2aae0linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Sets a written file as executable
Creates or modifies files in /cron to set up autorun
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
lolbin masquerade remote
Link:
https://www.filescan.io/uploads/680ce588218c4a98ade309a3/reports/f48448ff-bb55-485c-9cee-7da943934329/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
15
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fbf5cf4fd4d2ba1ddebb9ea2da38a1369d5f2142f049ef5b7dd5b4ed4dfaa2c7
Behaviour
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
RHOMBUS
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ec50e10f-0202-49ba-863e-bc71cf65db73
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1674802
Signature
Antivirus detection for dropped file
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to persist itself using cron
Sample tries to set files in /etc globally writable
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1674802 Sample: skid.x86.elf Startdate: 26/04/2025 Architecture: LINUX Score: 100 79 109.202.202.202, 80 INIT7CH Switzerland 2->79 81 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->81 83 2 other IPs or domains 2->83 93 Found malware configuration 2->93 95 Malicious sample detected (through community Yara rule) 2->95 97 Antivirus detection for dropped file 2->97 99 3 other signatures 2->99 15 skid.x86.elf 2->15         started        19 dash rm 2->19         started        21 dash rm 2->21         started        signatures3 process4 file5 73 /tmp/fileOMA5P1, ELF 15->73 dropped 85 Sample tries to set files in /etc globally writable 15->85 87 Sample tries to persist itself using cron 15->87 23 skid.x86.elf fileOMA5P1 15->23         started        signatures6 process7 file8 63 /tmp/fileGVuoWe, ELF 23->63 dropped 105 Writes identical ELF files to multiple locations 23->105 27 fileOMA5P1 fileGVuoWe 23->27         started        signatures9 process10 file11 69 /tmp/fileq57mKt, ELF 27->69 dropped 111 Writes identical ELF files to multiple locations 27->111 31 fileGVuoWe fileq57mKt 27->31         started        signatures12 process13 file14 75 /tmp/fileRvOaZI, ELF 31->75 dropped 89 Writes identical ELF files to multiple locations 31->89 35 fileq57mKt fileRvOaZI 31->35         started        signatures15 process16 file17 59 /tmp/fileZFAUa2, ELF 35->59 dropped 101 Writes identical ELF files to multiple locations 35->101 39 fileRvOaZI fileZFAUa2 35->39         started        signatures18 process19 file20 65 /tmp/fileVAuDmB, ELF 39->65 dropped 107 Writes identical ELF files to multiple locations 39->107 43 fileZFAUa2 fileVAuDmB 39->43         started        signatures21 process22 file23 71 /tmp/fileMnrZyQ, ELF 43->71 dropped 113 Writes identical ELF files to multiple locations 43->113 47 fileVAuDmB fileMnrZyQ 43->47         started        signatures24 process25 file26 77 /tmp/filebK8sW4, ELF 47->77 dropped 91 Writes identical ELF files to multiple locations 47->91 51 fileMnrZyQ filebK8sW4 47->51         started        signatures27 process28 file29 61 /tmp/fileIZCtHh, ELF 51->61 dropped 103 Writes identical ELF files to multiple locations 51->103 55 filebK8sW4 fileIZCtHh 51->55         started        signatures30 process31 file32 67 /tmp/filesj4wlv, ELF 55->67 dropped 109 Writes identical ELF files to multiple locations 55->109 signatures33
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fbf5cf4fd4d2ba1ddebb9ea2da38a1369d5f2142f049ef5b7dd5b4ed4dfaa2c7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fbf5cf4fd4d2ba1ddebb9ea2da38a1369d5f2142f049ef5b7dd5b4ed4dfaa2c7/
Threat name:
Linux.Trojan.Ladvix
Create hunting rule
Status:
Malicious
First seen:
2025-04-26 13:54:23 UTC
File Type:
ELF64 Little (SO)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7p246t6u2k5b3xv3t2rnuofbg2ov6ikc6be66w352w2o2tp2uldq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet discovery execution linux persistence privilege_escalation
Link:
https://tria.ge/reports/250426-q7mjwaxmy8/
Behaviour
Reads runtime system information
Writes file to tmp directory
Creates/modifies Cron job
Writes file to system bin folder
Executes dropped EXE
Detected Gafgyt variant
Gafgyt family
Gafgyt/Bashlite
Malware Config
C2 Extraction:
156.253.227.62:9999
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7138855-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_31796a40 Linux_Trojan_Gafgyt_ea92cca8 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_e4a1982b Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Ladvix_db41f9d2 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/9a9d64eb-bce4-4e32-b243-2ee599e97250
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fbf5cf4fd4d2/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.63
Link:
https://yomi.yoroi.company/submissions/fbf5cf4fd4d2ba1ddebb9ea2da38a1369d5f2142f049ef5b7dd5b4ed4dfaa2c7

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:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_31796a40
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d0c57a2e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e4a1982b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Ladvix_db41f9d2
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu

File information

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

Web download

Gafgyt

elf fbf5cf4fd4d2ba1ddebb9ea2da38a1369d5f2142f049ef5b7dd5b4ed4dfaa2c7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3526429/
  
Delivery method
Distributed via web download

Comments