MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4a8570ac0c170d1604cfe4874da07ef87cc00d12f200a73f8e6ddf39c51f580. 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: 11


Intelligence 11 IOCs YARA 8 File information Comments

SHA256 hash: b4a8570ac0c170d1604cfe4874da07ef87cc00d12f200a73f8e6ddf39c51f580
SHA3-384 hash: 89c4d4fb6f2ae47a100a2683684c5080a39c757bbeccb8f77a8cd2713248e5ff0a952cb8d1b4f72a0ad332b9dd809389
SHA1 hash: 59cb9a19dae2897de098909eba99ea4e406c5cdc
MD5 hash: d781ac0877767e8a916bd14cb1d9fa2f
humanhash: triple-tennis-vermont-mexico
File name:sh4
Download: download sample
Signature Gafgyt
File size:108'486 bytes
First seen:2024-12-06 13:16:21 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:Aq/W65rWXAiP5dfK4EBbkb25lyDQnAjCdB5+TjgkHmmycgYVLu1IPYC:R/vp+9C4xb2Mj+0j/HmDcgYVy1IPYC
TLSH T196B33B4795A89EB3C086BEB525EB59300722ED120F2F1A9621387BF4437F5CD741EBA4
telfhash t1b121fe46a1fa856d2ff368305dbc46b5188227133361bf70af0a85c01c7b002a936ecb
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 :
108
Origin country :
DE DE
Vendor Threat Intelligence
Verdict:
Malicious
Score:
92.5%
Tags:
bashlite gafgyt mirai
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug gcc lolbin mirai remote
Result
Verdict:
MALICIOUS
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj
Score:
88 / 100
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1570061 Sample: sh4.elf Startdate: 06/12/2024 Architecture: LINUX Score: 88 20 87.120.115.168, 23, 38180 UNACS-AS-BG8000BurgasBG Bulgaria 2->20 22 daisy.ubuntu.com 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Found malware configuration 2->26 28 Antivirus / Scanner detection for submitted sample 2->28 30 3 other signatures 2->30 10 sh4.elf 2->10         started        signatures3 process4 process5 12 sh4.elf 10->12         started        process6 14 sh4.elf 12->14         started        process7 16 sh4.elf 14->16         started        process8 18 sh4.elf 16->18         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2024-12-03 02:46:52 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt linux
Malware Config
C2 Extraction:
87.120.115.168:23
Verdict:
Malicious
Tags:
Unix.Trojan.Tsunami-6981155-0
YARA:
n/a
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_Gafgyt_Generic_A
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: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:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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 b4a8570ac0c170d1604cfe4874da07ef87cc00d12f200a73f8e6ddf39c51f580

(this sample)

  
Delivery method
Distributed via web download

Comments