MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 af5e4587b849eecd603ebfade9ef24e821ff185011f61434bb7c6d722e89cb88. 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 6 File information Comments 1

SHA256 hash: af5e4587b849eecd603ebfade9ef24e821ff185011f61434bb7c6d722e89cb88
SHA3-384 hash: a658dd495fc4c12c5b5603c64616be5488363327a869578856d4264ab874e9cf63bf33fa4119edade68efd50b5a2274b
SHA1 hash: e4f5763f7a08dc51d3738558720032e487c4d243
MD5 hash: a8883cdae2755fa72dc2ed3c7e4aedb7
humanhash: triple-massachusetts-fruit-eighteen
File name:a8883cdae2755fa72dc2ed3c7e4aedb7
Download: download sample
Signature Gafgyt
File size:129'347 bytes
First seen:2024-03-03 12:57:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:x71gpiAVON8sftIphajMRqV+KLury0UqTM:xBgpTI+zphajIqV+KLury0UqTM
TLSH T122C3C737A7D73D13C0D5A83302D30A617976DA6424BD0393E5A0ECB52F2AD643662BDB
telfhash t15821f042a17685192fb289685c7c0ae02651a22377407eb0ef1dc1844d37012b83dd8b
Reporter zbetcheckin
Tags:32 elf gafgyt sparc

Intelligence


File Origin
# of uploads :
1
# of downloads :
96
Origin country :
FR FR
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
gafgyt lolbin phishing remote
Result
Verdict:
MALICIOUS
Result
Threat name:
Mirai, Gafgyt
Detection:
malicious
Classification:
spre.troj.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Deletes all firewall rules
Deletes security-related log files
Detected Mirai
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
Snort IDS alert for network traffic
Tries to stop the "iptables" service
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1402129 Sample: BkOL3LG6M8.elf Startdate: 03/03/2024 Architecture: LINUX Score: 100 68 94.156.64.143, 38768, 9821 TERASYST-ASBG Bulgaria 2->68 70 109.202.202.202, 80 INIT7CH Switzerland 2->70 72 3 other IPs or domains 2->72 74 Snort IDS alert for network traffic 2->74 76 Malicious sample detected (through community Yara rule) 2->76 78 Antivirus / Scanner detection for submitted sample 2->78 80 4 other signatures 2->80 12 BkOL3LG6M8.elf 2->12         started        15 dash rm 2->15         started        signatures3 process4 signatures5 82 Opens /proc/net/* files useful for finding connected devices and routers 12->82 84 Sample deletes itself 12->84 17 BkOL3LG6M8.elf 12->17         started        process6 process7 19 BkOL3LG6M8.elf 17->19         started        process8 21 BkOL3LG6M8.elf sh 19->21         started        23 BkOL3LG6M8.elf sh 19->23         started        25 BkOL3LG6M8.elf sh 19->25         started        27 10 other processes 19->27 process9 29 sh service systemctl 21->29         started        32 sh rm 23->32         started        34 sh iptables 25->34         started        36 sh service systemctl 27->36         started        38 sh rm 27->38         started        40 sh rm 27->40         started        42 7 other processes 27->42 signatures10 86 Tries to stop the "iptables" service 29->86 44 service 29->44         started        46 service basename 29->46         started        48 service basename 29->48         started        50 service systemctl 29->50         started        88 Deletes security-related log files 32->88 90 Deletes all firewall rules 34->90 52 service 36->52         started        54 service basename 36->54         started        56 service basename 36->56         started        58 service systemctl 36->58         started        process11 process12 60 service systemctl 44->60         started        62 service sed 44->62         started        64 service systemctl 52->64         started        66 service sed 52->66         started       
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2024-03-03 09:19:32 UTC
File Type:
ELF32 Big (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt linux
Malware Config
C2 Extraction:
94.156.64.143:9821
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:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:NET
Author:malware-lu
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 af5e4587b849eecd603ebfade9ef24e821ff185011f61434bb7c6d722e89cb88

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-03-03 12:57:38 UTC

url : hxxp://94.156.64.143/.ivn.sparc