MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359. 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: 12


Intelligence 12 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359
SHA3-384 hash: c1a552a5ee7118e5a9b2efdb24784d6ea7cb26e74fe5b594ed7399cee93fd3db903328171b15492efba9eb94af78d977
SHA1 hash: 496522c6f72d6bcfacc5f58ee820df615ea531d1
MD5 hash: ee2e7795353094f0a72dc9b878a090b0
humanhash: mike-ceiling-sierra-chicken
File name:a-r.m-4.Sakura
Download: download sample
Signature Gafgyt
Create hunting rule
File size:100'871 bytes
First seen:2025-08-29 15:32:20 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:VSx+i6mqaObhNMnPNKV+qKmZuqQ4DPwXXtse:y6mRObnMnP7qKmZuqQ4DPwXXtse
TLSH T122A31A44F841872BC3D327BBE78E479D3B36569467DB33116A386EB42BC17C92E29520
telfhash t13611d04270b6891d2bb659245cbc42b5165536236381be75bf0ec5c45537002ba79e8b
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 :
83
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Unix.Dropper.Mirai-7138865-0
Create hunting rule

Unix.Dropper.Mirai-7138907-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10034904-0
Create hunting rule

Unix.Trojan.Mirai-10035004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt gcc mirai rust threat
Link:
https://www.filescan.io/uploads/68b1c8d26212e2f742657601/reports/b74971d4-b051-4e2c-affc-d999ece4191f/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-08-27T01:14:00Z UTC
Last seen:
2025-08-27T01:14:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/41dad4db-7d0b-4d67-b770-08b1b99ac3ca
Behavior Graph:
Download SVG
%3 guuid=007a0b60-1900-0000-4ebe-a55f3d090000 pid=2365 /usr/bin/sudo guuid=4878ee61-1900-0000-4ebe-a55f44090000 pid=2372 /tmp/sample.bin guuid=007a0b60-1900-0000-4ebe-a55f3d090000 pid=2365->guuid=4878ee61-1900-0000-4ebe-a55f44090000 pid=2372 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1fb18b7d-c0f4-4ed1-a675-ffe9a1faf144
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1767743
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Contains symbols with names commonly found in malware
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
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1767743 Sample: a-r.m-4.Sakura.elf Startdate: 29/08/2025 Architecture: LINUX Score: 100 21 89.144.15.74, 12345, 36098, 36100 ASGHOSTNETDE Germany 2->21 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 4 other IPs or domains 2->25 27 Suricata IDS alerts for network traffic 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 6 other signatures 2->33 8 a-r.m-4.Sakura.elf 2->8         started        11 dash rm 2->11         started        13 dash rm 2->13         started        15 python3.8 dpkg 2->15         started        signatures3 process4 signatures5 35 Opens /proc/net/* files useful for finding connected devices and routers 8->35 17 a-r.m-4.Sakura.elf 8->17         started        process6 process7 19 a-r.m-4.Sakura.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359/
Threat name:
Linux.Trojan.LnxGafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-08-24 07:50:22 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=54ob7kj3thsisbqgatuyb5a6upo3quzbvvxx23kp6tqr74s3snmq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/250829-s1fh4aynv2/
Malware Config
C2 Extraction:
89.144.15.74:12345
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Dropper.Mirai-7138865-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/e1cc710c-2880-4c07-93ff-fd461d65c24d
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359

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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 ef1c1fa93b99e489060604e980f41ea3ddb85321ad6f7d6d4ff4e11ff25b9359

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3613728/
  
Delivery method
Distributed via web download

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