MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a13c9adb7720f81701faf589a5a7295b371f90410429ac4f1b94dfd35e70605. 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 21 File information Comments

SHA256 hash: 8a13c9adb7720f81701faf589a5a7295b371f90410429ac4f1b94dfd35e70605
SHA3-384 hash: badc3cc10e2c8bf9db836d9d95bd41d1ce88cbe9eae6322211c7e4c941784ebb6b596f9f599a18fe8030f63d29033074
SHA1 hash: 5dedceb9819d4d96fa448e7812c11534a2cace8a
MD5 hash: 5044229fa4f611793db59d749a202fdb
humanhash: queen-salami-diet-cold
File name:586
Download: download sample
Signature Gafgyt
File size:74'489 bytes
First seen:2025-11-18 16:50:26 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:8r4owQ6yastO49zyje4MkJLwDnOD8J52rf3BstzWT/O/s8w2IQFbLZ5:8r96R+x9zyje4MkJLwDnOD8mrfRSzO/U
TLSH T1C7735B466280D6F7D14316F10697AFA8033AFD3A1ABBEE85F3587CF48B710847925B19
telfhash t1cd11af55a4fa4a6c5ef2542098fc17741aa772273162be706f5dc5849c3b002b539fce
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 :
1
# of downloads :
34
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Substitutes an application name
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
3
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-18T15:13:00Z UTC
Last seen:
2025-11-19T22:08:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=862951da-2000-0000-5093-6e40b1090000 pid=2481 /usr/bin/sudo guuid=99b232dc-2000-0000-5093-6e40b7090000 pid=2487 /tmp/sample.bin net guuid=862951da-2000-0000-5093-6e40b1090000 pid=2481->guuid=99b232dc-2000-0000-5093-6e40b7090000 pid=2487 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=99b232dc-2000-0000-5093-6e40b7090000 pid=2487->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c8803fdd-2000-0000-5093-6e40bb090000 pid=2491 /tmp/sample.bin guuid=99b232dc-2000-0000-5093-6e40b7090000 pid=2487->guuid=c8803fdd-2000-0000-5093-6e40bb090000 pid=2491 clone guuid=115345dd-2000-0000-5093-6e40bc090000 pid=2492 /tmp/sample.bin net zombie guuid=c8803fdd-2000-0000-5093-6e40bb090000 pid=2491->guuid=115345dd-2000-0000-5093-6e40bc090000 pid=2492 clone 1d83832e-442c-5f3f-a5f5-c0604358377b 185.234.75.84:6667 guuid=115345dd-2000-0000-5093-6e40bc090000 pid=2492->1d83832e-442c-5f3f-a5f5-c0604358377b con
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
68 / 100
Signature
Found malware configuration
Malicious sample detected (through community Yara rule)
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1816242 Sample: 586.elf Startdate: 18/11/2025 Architecture: LINUX Score: 68 17 185.234.75.84, 46844, 46846, 46848 JACKNETJackNetGB United Kingdom 2->17 19 169.254.169.254, 80 USDOSUS Reserved 2->19 21 daisy.ubuntu.com 2->21 23 Found malware configuration 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 Yara detected Gafgyt 2->27 8 586.elf 2->8         started        11 python3.8 dpkg 2->11         started        signatures3 process4 signatures5 29 Opens /proc/net/* files useful for finding connected devices and routers 8->29 13 586.elf 8->13         started        process6 process7 15 586.elf 13->15         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-11-18 16:51:38 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery linux
Behaviour
Changes its process name
Reads system network configuration
Reads system routing table
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_6321b565 Linux_Trojan_Gafgyt_c573932b Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_750fe002 Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_71e487ea Linux_Trojan_Gafgyt_7167d08f Linux_Trojan_Gafgyt_20f5e74f Linux_Trojan_Gafgyt_fb14e81f Linux_Trojan_Mirai_389ee3e9 elf_bashlite_auto
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:elf_bashlite_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects elf.bashlite.
Rule name:Linux_Gafgyt_Generic
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_20f5e74f
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6321b565
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_7167d08f
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_71e487ea
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_750fe002
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_c573932b
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_fb14e81f
Author:Elastic Security
Reference:0fd07e6068a721774716eb4940e2c19faef02d5bdacf3b018bf5995fa98a3a27
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:Qbot_Gafgyt_Bashlite
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:Tsunami_Backdoor
Author:@is_henderson
Description:Tsunami Backdoor
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

Gafgyt

elf 8a13c9adb7720f81701faf589a5a7295b371f90410429ac4f1b94dfd35e70605

(this sample)

  
Delivery method
Distributed via web download

Comments