MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c75f32dc3cf8845481194fd968ff475a0bedbb4a109e8ff6e9c641019044d3b4. 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: 13


Intelligence 13 IOCs YARA 14 File information Comments

SHA256 hash: c75f32dc3cf8845481194fd968ff475a0bedbb4a109e8ff6e9c641019044d3b4
SHA3-384 hash: 23487bfcebd0d430cc92714865b98ad54e49357009f8a561aad49bd2592cfbdf74def8d411c8351e38b9e14e2b28cce6
SHA1 hash: 571e25703e835b19d00e31a9c8cf7e575d4f7861
MD5 hash: 52d0daf177ed2bef5a9f56708ddad6d1
humanhash: illinois-mars-timing-tennis
File name:razdzn
Download: download sample
Signature Gafgyt
File size:157'137 bytes
First seen:2025-05-16 07:59:47 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:bDLYBNKtyVrVvnNYd+soZS9BFOOlt5MgfR1c9OXH90PfNatph1:bvYBwCqwS9BFdlEg51ckXH90PfNatph1
TLSH T1DDE3F94FE17AD2F1D2470FB32257BCBB03F16129146B1E49F736ED61C9D3A9062A1298
telfhash t12231114279f6492d6bf3682858ac47a11556ba227320afb0bf5ec1508933002b875f8e
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
81
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Deletes a file
Removes directories
Removes directories from a subdirectory of a temporary directory
Launching a process
Gains root access
Sends data to a server
Creating a file
Removes directories from a temporary directory
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc lolbin remote
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:
4
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
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
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
Sample is potentially a Mirai botnet sample
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1691618 Sample: razdzn.elf Startdate: 16/05/2025 Architecture: LINUX Score: 100 69 92.112.125.62, 23, 39854 UKRTELNETUA Ukraine 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 Multi AV Scanner detection for submitted file 2->75 77 3 other signatures 2->77 13 razdzn.elf 2->13         started        signatures3 process4 signatures5 79 Opens /proc/net/* files useful for finding connected devices and routers 13->79 16 razdzn.elf 13->16         started        process6 process7 18 razdzn.elf 16->18         started        process8 20 razdzn.elf 18->20         started        process9 22 razdzn.elf sh 20->22         started        24 razdzn.elf sh 20->24         started        26 razdzn.elf sh 20->26         started        28 10 other processes 20->28 process10 30 sh service systemctl 22->30         started        33 sh rm 24->33         started        35 sh service systemctl 26->35         started        37 sh rm 28->37         started        39 sh rm 28->39         started        41 sh rm 28->41         started        43 5 other processes 28->43 signatures11 81 Tries to stop the "iptables" service 30->81 45 service 30->45         started        47 service basename 30->47         started        49 service basename 30->49         started        51 service systemctl 30->51         started        83 Sample deletes itself 33->83 53 service 35->53         started        55 service basename 35->55         started        57 service basename 35->57         started        59 service systemctl 35->59         started        process12 process13 61 service systemctl 45->61         started        63 service sed 45->63         started        65 service systemctl 53->65         started        67 service sed 53->67         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2025-05-16 08:00:37 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 37 (70.27%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery linux privilege_escalation
Behaviour
Enumerates kernel/hardware configuration
Reads runtime system information
System Network Configuration Discovery
Reads CPU attributes
Abuse Elevation Control Mechanism: Sudo and Sudo Caching
Deletes log files
Enumerates running processes
Deletes Audit logs
Deletes journal logs
Flushes firewall rules
Malware Config
C2 Extraction:
92.112.125.62:23
Verdict:
Malicious
Tags:
trojan mirai gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be Linux_Trojan_Mirai_b9a9d04b
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:ELF_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
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_1b2e2a3a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_27de1106
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b9a9d04b
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:RANSOMWARE
Author:ToroGuitar
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 c75f32dc3cf8845481194fd968ff475a0bedbb4a109e8ff6e9c641019044d3b4

(this sample)

  
Delivery method
Distributed via web download

Comments