MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b23ac5a469bbb1b8abb3c82fcd13d1dbbb27d82bb847b93a392e4efbeefcc48c. 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: 14


Intelligence 14 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b23ac5a469bbb1b8abb3c82fcd13d1dbbb27d82bb847b93a392e4efbeefcc48c
SHA3-384 hash: ff5e8ad27871ab7a3b298ba08a7b445234271b15f163526e5b7b7cfd6b41a61475f3668734c43af354e6fb48c574db2d
SHA1 hash: 216756fb1769ffb855e39f62b2c3cab63c66eaee
MD5 hash: 41f1dfcf258eab8a0845e9accc3b0174
humanhash: delta-comet-beer-wisconsin
File name:i686
Download: download sample
Signature Gafgyt
Create hunting rule
File size:99'084 bytes
First seen:2024-12-14 15:01:12 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:EWCjQrLpnr85EdT9Oa8vqbVr7D/CEgmqAgcVyZIcBI:Ef5EdTbpr7DWmqAgcVyZIcBI
TLSH T19FA35B8AD743C2B3CC530AB2124BA6AA4621FD3B492E9F49F7197DB09F374C93125B51
telfhash t1ad210246a1f68a685ff368205dbc46b5199217273351af70af1984c01c7b002a939ecb
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 :
87
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Trojan.Gafgyt-6981156-0
Create hunting rule

Unix.Dropper.Mirai-7138857-0
Create hunting rule

Verdict:
Malicious
Score:
95.7%
Link:
https://cyber-fortress.com/docs/result/index.php?id=675da038653a8698dfc8b31flinux22vpnfull_triage
Tags:
bashlite gafgyt mirai
Result
Verdict:
Malware
Maliciousness:

Behaviour
Gains root access
Connection attempt
Receives data from a server
Sends data to a server
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-debug gcc lolbin remote
Link:
https://www.filescan.io/uploads/675d9df408f166f50c9db666/reports/9d977406-016a-4509-929e-d15eb47bae1b/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
5
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/b23ac5a469bbb1b8abb3c82fcd13d1dbbb27d82bb847b93a392e4efbeefcc48c
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3002a462-fcb9-4ef3-bd68-7808300ba248
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1575170
Signature
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1575170 Sample: i686.elf Startdate: 14/12/2024 Architecture: LINUX Score: 92 20 84.200.24.7, 49052, 666 ACCELERATED-ITDE Germany 2->20 22 daisy.ubuntu.com 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 4 other signatures 2->30 10 i686.elf 2->10         started        signatures3 process4 process5 12 i686.elf 10->12         started        process6 14 i686.elf 12->14         started        process7 16 i686.elf 14->16         started        process8 18 i686.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b23ac5a469bbb1b8abb3c82fcd13d1dbbb27d82bb847b93a392e4efbeefcc48c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b23ac5a469bbb1b8abb3c82fcd13d1dbbb27d82bb847b93a392e4efbeefcc48c/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2024-12-14 15:02:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
26 of 38 (68.42%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wi5mljdjxoy3rk5tzax42e6r3o5spwblxbd3sorzfzhpx3x4ysga._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion linux
Link:
https://tria.ge/reports/241214-seflzaxmen/
Behaviour
Changes its process name
Modifies Watchdog functionality
Malware Config
C2 Extraction:
84.200.24.7:666
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_83715433 Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_f51c5ac3 Linux_Trojan_Gafgyt_27de1106 Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be elf_bashlite_auto
Link:
https://app.threat.zone/submission/40928da5-5d27-4961-b988-13dc52382375
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
BASHLITE
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/b23ac5a469bbb1b8abb3c82fcd13d1dbbb27d82bb847b93a392e4efbeefcc48c

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_A
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_Trojan_Gafgyt_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_27de1106
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_83715433
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
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:NET
Create hunting rule
Author:malware-lu
Rule name:RansomPyShield_Antiransomware
Create hunting rule
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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 b23ac5a469bbb1b8abb3c82fcd13d1dbbb27d82bb847b93a392e4efbeefcc48c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3349138/
  
Delivery method
Distributed via web download

Comments