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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fabd6308a61a5991c5da0945256ceee26cc88b5e839e41dc02444bdafe485667. 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 8 File information Comments

SHA256 hash: fabd6308a61a5991c5da0945256ceee26cc88b5e839e41dc02444bdafe485667
SHA3-384 hash: a50afc5e2b9a77e1597c7126a83374a603d143a9f033f79942ea864b89953c692f20fc8a2d07b67b33d11af2cd0bbf67
SHA1 hash: 96bd39a7e0b1f08c29a8c739af86a371b54e22a3
MD5 hash: bae707d3b1c351126c597d6758a4cffe
humanhash: hamper-black-washington-friend
File name:hoodlum.arm4
Download: download sample
Signature Gafgyt
File size:138'955 bytes
First seen:2025-02-22 17:11:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:EHHyPnuTxmxpjcVhyofAWuvm5ReFfgK4iOtQlQ+135hwP/TJo1m6QNdNpHOe:wHyBvgwEtQlQC35hwP/Ti1m6QNdLHOe
TLSH T174D3F804E4509727C2D26BBBEBDA438E37225A946BD7332655296FF03FC17582E3A540
telfhash t1c821321391b98a296fb79d64ac7c06f11161a62373417fb0ef1dc1848d37002b43dc9b
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 :
12
Origin country :
US US
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin masquerade obfuscated remote
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
157
Number of processes launched:
14
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes all firewall rules
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
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1621867 Sample: hoodlum.arm4.elf Startdate: 22/02/2025 Architecture: LINUX Score: 100 66 37.44.238.66, 23, 36984 HARMONYHOSTING-ASFR France 2->66 68 Found malware configuration 2->68 70 Malicious sample detected (through community Yara rule) 2->70 72 Antivirus / Scanner detection for submitted sample 2->72 74 3 other signatures 2->74 12 hoodlum.arm4.elf 2->12         started        signatures3 process4 signatures5 80 Opens /proc/net/* files useful for finding connected devices and routers 12->80 82 Sample deletes itself 12->82 15 hoodlum.arm4.elf 12->15         started        process6 process7 17 hoodlum.arm4.elf 15->17         started        process8 19 hoodlum.arm4.elf sh 17->19         started        21 hoodlum.arm4.elf sh 17->21         started        23 hoodlum.arm4.elf sh 17->23         started        25 10 other processes 17->25 process9 27 sh service systemctl 19->27         started        30 sh iptables 21->30         started        32 sh service systemctl 23->32         started        34 sh rm 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 all firewall rules 30->78 50 service 32->50         started        52 service basename 32->52         started        54 service basename 32->54         started        56 service systemctl 32->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       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-02-22 16:24:17 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt
Malware Config
C2 Extraction:
37.44.238.66:23
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Dropper.Mirai-7136029-0
YARA:
Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
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: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_Generic_Threat_e9aef030
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Author:malware-lu
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 fabd6308a61a5991c5da0945256ceee26cc88b5e839e41dc02444bdafe485667

(this sample)

  
Delivery method
Distributed via web download

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