MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4d6b0943c0324a02e69195aabde1beecdb44811e8f6e86afbd67b28dde6dce4. 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: 10


Intelligence 10 IOCs YARA 25 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4d6b0943c0324a02e69195aabde1beecdb44811e8f6e86afbd67b28dde6dce4
SHA3-384 hash: 4309afe20d7c1fa9ccc2a739482ed3f78640264029f9cdd6a717ad4fd0911e499cbfd36c7a4edadb00c52410a791dc1d
SHA1 hash: d64ebf379330806934ae06907ba803608e1ed312
MD5 hash: da2ed3b263e6da6ab50a7aa0f7e8c417
humanhash: victor-mars-romeo-louisiana
File name:x86
Download: download sample
Signature Gafgyt
Create hunting rule
File size:80'428 bytes
First seen:2025-06-19 15:52:17 UTC
Last seen:2025-06-19 19:57:19 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZCvxI0+/yoFOCD3FEivktpBitYdtDYr31OXGJlem/NOTOYje1nhJQ:ZKx0yoFOMSiv4+tYTDYD1OClem1OTOYJ
TLSH T1C0736B27A452C67BC4CB86F81BCFDE215C23B8B91B236246B3E47DA92F468C42D5D704
telfhash t12711c002a17a89296bb259349c7c46f1167127336794bf74af2ec1c88d27012f979e4f
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7139229-0
Create hunting rule

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

Verdict:
Clean
Score:
84.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68543284d7c46e45654dd686linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Collects information on the CPU
Connection attempt
Receives data from a server
Substitutes an application name
Deleting of the original file
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/6854328d3faf8fcd7d36b02d/reports/3aef9323-d9ed-4049-b034-f145fc503e6f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/a4d6b0943c0324a02e69195aabde1beecdb44811e8f6e86afbd67b28dde6dce4
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 31.56.39.249:666
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/e1675ac5-02dd-4bfc-9d00-2feca5a740a7
Behavior Graph:
Download SVG
%3 guuid=ef0ff598-1c00-0000-7f1d-0f6e7e090000 pid=2430 /usr/bin/sudo guuid=ada9079c-1c00-0000-7f1d-0f6e86090000 pid=2438 /tmp/sample.bin delete-file net guuid=ef0ff598-1c00-0000-7f1d-0f6e7e090000 pid=2430->guuid=ada9079c-1c00-0000-7f1d-0f6e86090000 pid=2438 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=ada9079c-1c00-0000-7f1d-0f6e86090000 pid=2438->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c2c8679c-1c00-0000-7f1d-0f6e87090000 pid=2439 /tmp/sample.bin guuid=ada9079c-1c00-0000-7f1d-0f6e86090000 pid=2438->guuid=c2c8679c-1c00-0000-7f1d-0f6e87090000 pid=2439 clone guuid=65786d9c-1c00-0000-7f1d-0f6e88090000 pid=2440 /tmp/sample.bin net send-data zombie guuid=c2c8679c-1c00-0000-7f1d-0f6e87090000 pid=2439->guuid=65786d9c-1c00-0000-7f1d-0f6e88090000 pid=2440 clone 6743b226-939f-597c-ab42-f7cf3983935b 31.56.39.249:666 guuid=65786d9c-1c00-0000-7f1d-0f6e88090000 pid=2440->6743b226-939f-597c-ab42-f7cf3983935b send: 570B
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c7a032d2-42c7-4046-be6d-73f6e20172d4
Result
Threat name:
Mirai, Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1718750
Signature
Antivirus / Scanner detection for submitted sample
Detected Mirai
Found malware configuration
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
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1718750 Sample: x86.elf Startdate: 19/06/2025 Architecture: LINUX Score: 100 19 31.56.39.249, 42540, 42542, 42544 RASANAIR Iran (ISLAMIC Republic Of) 2->19 21 54.171.230.55, 443 AMAZON-02US United States 2->21 23 2 other IPs or domains 2->23 25 Suricata IDS alerts for network traffic 2->25 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 5 other signatures 2->31 8 x86.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        signatures3 process4 signatures5 33 Opens /proc/net/* files useful for finding connected devices and routers 8->33 35 Sample deletes itself 8->35 15 x86.elf 8->15         started        process6 process7 17 x86.elf 15->17         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a4d6b0943c0324a02e69195aabde1beecdb44811e8f6e86afbd67b28dde6dce4
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a4d6b0943c0324a02e69195aabde1beecdb44811e8f6e86afbd67b28dde6dce4/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-19 15:54:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
24 of 38 (63.16%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=utllbfb4amskaltjdfnkxxq353g3isar5d3oq2x32z5srxpg3tsa._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
antivm discovery linux
Link:
https://tria.ge/reports/250619-tb3g1avycs/
Behaviour
Changes its process name
Checks CPU configuration
Reads system network configuration
Reads system routing table
Deletes itself
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Dropper.Mirai-7139229-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_821173df Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_d996d335 Linux_Trojan_Gafgyt_d0c57a2e Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_0cd591cd Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_a33a8363 Linux_Trojan_Mirai_3fe3c668 elf_bashlite_auto Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/2d2df939-6c9a-48a9-9d73-4e228682abe6
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/a4d6b0943c0324a02e69195aabde1beecdb44811e8f6e86afbd67b28dde6dce4

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:elf_bashlite_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.bashlite.
Rule name:Linux_Gafgyt_Generic
Create hunting rule
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_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_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_821173df
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_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_3fe3c668
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:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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

Gafgyt

elf a4d6b0943c0324a02e69195aabde1beecdb44811e8f6e86afbd67b28dde6dce4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3568444/
  
Delivery method
Distributed via web download

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