MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d58724360b47456e9f5162b1ff011a2ae8b797be15a37ed80d01d96fb7faac5f. 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: 9


Intelligence 9 IOCs YARA 3 File information Comments

SHA256 hash: d58724360b47456e9f5162b1ff011a2ae8b797be15a37ed80d01d96fb7faac5f
SHA3-384 hash: fb5a7684dd0869fcba93bd57da899d6ab7f4d33820cb0a5d282640662adc33df38957864288c5ba7839bef9bc2bea124
SHA1 hash: c4642446cfb1afa9ca3139088e202f4e46ecda71
MD5 hash: 2bf9ff8b9bc1a03b6597805a26249e80
humanhash: coffee-stairway-iowa-alpha
File name:linux_arm5
Download: download sample
Signature Gafgyt
File size:1'708'880 bytes
First seen:2026-03-20 07:43:05 UTC
Last seen:2026-03-20 08:43:47 UTC
File type: elf
MIME type:application/x-executable
ssdeep 49152:OdNxWqMBh8lErt5z5Mdtl2BJF9d8XbGAYAJS:kNIqMBuc5zkkzrAbJS
TLSH T1298533B559A1930BEDBBB92E8CDC008F51E522B3780AFD1E17A71AD47C1A18707FE095
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 UPX
File size (compressed) :1'708'880 bytes
File size (de-compressed) :4'259'840 bytes
Format:linux/arm
Unpacked file: 7b45e5dc85e06ce7d05fef0596066df3a584200b25d9808051253152e886a963

Intelligence


File Origin
# of uploads :
2
# of downloads :
87
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Manages services
Launching a process
Creating a process from a recently created file
Creating a file
Changes the time when the file was created, accessed, or modified
Creating a file in the %temp% directory
Deleting a recently created file
Writes files to system directory
Deletes a system binary file
Creates or modifies files in /init.d to set up autorun
Creates or modifies symbolic links in /init.d to set up autorun
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm crypto obfuscated packed upx
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
280
Number of processes launched:
115
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Persistence
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Behavior Graph:
%3 guuid=6e3e17d2-1600-0000-b310-c9e35b0d0000 pid=3419 /usr/bin/sudo guuid=d23934d4-1600-0000-b310-c9e3620d0000 pid=3426 /tmp/sample.bin guuid=6e3e17d2-1600-0000-b310-c9e35b0d0000 pid=3419->guuid=d23934d4-1600-0000-b310-c9e3620d0000 pid=3426 execve
Result
Threat name:
n/a
Detection:
suspicious
Classification:
evad
Score:
22 / 100
Signature
Sample is packed with UPX
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1886749 Sample: linux_arm5.elf Startdate: 20/03/2026 Architecture: LINUX Score: 22 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 4 other IPs or domains 2->18 20 Sample is packed with UPX 2->20 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 linux_arm5.elf 2->12         started        signatures3 process4
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2026-03-20 07:43:33 UTC
File Type:
ELF32 Little (Exe)
AV detection:
9 of 38 (23.68%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  6/10
Tags:
defense_evasion discovery persistence privilege_escalation upx
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
Writes file to tmp directory
Modifies Bash startup script
UPX packed file
Creates/modifies environment variables
Modifies init.d
Modifies rc script
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Gafgyt

elf d58724360b47456e9f5162b1ff011a2ae8b797be15a37ed80d01d96fb7faac5f

(this sample)

  
Delivery method
Distributed via web download

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