MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c8c2aa824c8e13ab01585eaa841005544979716170e23cfb173768d7f7d63f71. 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: c8c2aa824c8e13ab01585eaa841005544979716170e23cfb173768d7f7d63f71
SHA3-384 hash: 84b8ea28d4fe1ab72c3e2186ffb37e2f86d20a2d6fd8d7c027dd282b8c3b94a5015b9ccf2a29136465bd348dba9d4707
SHA1 hash: 01e0e3882b688d1b09fc18c23c497b9ff1a044c6
MD5 hash: 2fa84025af48b21d3640f2cd9cefd808
humanhash: hamper-item-lake-virginia
File name:X
Download: download sample
Signature Gafgyt
File size:30'392 bytes
First seen:2026-05-01 19:42:05 UTC
Last seen:2026-05-01 20:39:54 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:YX7OUEIx7v5wKWlXGZUb4Wx2TKsU32v9sPH7m:YuIxElXGZOwKDmFuHC
TLSH T1E7D2D093A1ADF7B5C82BC13206675DD4FA73E872561407BBCE9E35ED1C275042D23641
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 :
90
Origin country :
DE DE
Vendor Threat Intelligence
Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Runs as daemon
Substitutes an application name
Kills critical processes
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-05-01T16:58:00Z UTC
Last seen:
2026-05-02T00:48:00Z UTC
Hits:
~10
Status:
terminated
Behavior Graph:
%3 guuid=919a57ea-1a00-0000-7290-af92c00a0000 pid=2752 /usr/bin/sudo guuid=207d84ec-1a00-0000-7290-af92c60a0000 pid=2758 /tmp/sample.bin mprotect-exec net guuid=919a57ea-1a00-0000-7290-af92c00a0000 pid=2752->guuid=207d84ec-1a00-0000-7290-af92c60a0000 pid=2758 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=207d84ec-1a00-0000-7290-af92c60a0000 pid=2758->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=678900ed-1a00-0000-7290-af92c80a0000 pid=2760 /tmp/sample.bin guuid=207d84ec-1a00-0000-7290-af92c60a0000 pid=2758->guuid=678900ed-1a00-0000-7290-af92c80a0000 pid=2760 clone guuid=1ddb03ed-1a00-0000-7290-af92c90a0000 pid=2761 /tmp/sample.bin guuid=207d84ec-1a00-0000-7290-af92c60a0000 pid=2758->guuid=1ddb03ed-1a00-0000-7290-af92c90a0000 pid=2761 clone guuid=1e5207ed-1a00-0000-7290-af92ca0a0000 pid=2762 /tmp/sample.bin net send-data zombie guuid=1ddb03ed-1a00-0000-7290-af92c90a0000 pid=2761->guuid=1e5207ed-1a00-0000-7290-af92ca0a0000 pid=2762 clone 8c6073d7-6b15-576b-a643-8a529dfdd401 176.65.139.26:5599 guuid=1e5207ed-1a00-0000-7290-af92ca0a0000 pid=2762->8c6073d7-6b15-576b-a643-8a529dfdd401 send: 48B guuid=8d501ded-1a00-0000-7290-af92cb0a0000 pid=2763 /tmp/sample.bin guuid=1e5207ed-1a00-0000-7290-af92ca0a0000 pid=2762->guuid=8d501ded-1a00-0000-7290-af92cb0a0000 pid=2763 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Signature
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
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Suricata IDS alerts for network traffic
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1907489 Sample: X.elf Startdate: 01/05/2026 Architecture: LINUX Score: 88 56 176.65.139.26, 50348, 50350, 50352 PALTEL-ASPALTELAutonomousSystemPS Germany 2->56 58 daisy.ubuntu.com 2->58 60 Suricata IDS alerts for network traffic 2->60 62 Malicious sample detected (through community Yara rule) 2->62 64 Multi AV Scanner detection for submitted file 2->64 10 X.elf 2->10         started        13 systemd gvfsd 2->13         started        15 systemd accounts-daemon 2->15         started        17 35 other processes 2->17 signatures3 process4 signatures5 66 Opens /proc/net/* files useful for finding connected devices and routers 10->66 19 X.elf 10->19         started        21 X.elf 10->21         started        23 gvfsd 13->23         started        25 gvfsd gvfsd-trash 13->25         started        68 Reads system files that contain records of logged in users 15->68 27 accounts-daemon language-validate 15->27         started        70 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->70 29 xfce4-panel wrapper-2.0 17->29         started        31 xfce4-panel wrapper-2.0 17->31         started        33 xfce4-panel wrapper-2.0 17->33         started        35 3 other processes 17->35 process6 process7 37 X.elf 19->37         started        39 gvfsd gvfsd-fuse 23->39         started        41 language-validate language-options 27->41         started        43 wrapper-2.0 xfpm-power-backlight-helper 29->43         started        process8 45 X.elf 37->45         started        48 gvfsd-fuse fusermount 39->48         started        50 language-options sh 41->50         started        signatures9 72 Sample tries to kill a massive number of system processes 45->72 74 Sample tries to kill multiple processes (SIGKILL) 45->74 76 Sample reads /proc/mounts (often used for finding a writable filesystem) 48->76 52 sh locale 50->52         started        54 sh grep 50->54         started        process10
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-05-01 19:44:36 UTC
File Type:
ELF64 Little (Exe)
AV detection:
11 of 24 (45.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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_antiunpack_elf64
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF64

File information


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

Web download

Gafgyt

elf c8c2aa824c8e13ab01585eaa841005544979716170e23cfb173768d7f7d63f71

(this sample)

  
Delivery method
Distributed via web download

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