MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f87a743a661cc9b34f3f9f5155006ee6bf781655dc81e4a5bad2dce9932e67ae. 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



Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 2 File information Comments 1

SHA256 hash: f87a743a661cc9b34f3f9f5155006ee6bf781655dc81e4a5bad2dce9932e67ae
SHA3-384 hash: 0a736d5e291dd95f6f7f79a8d5255c3df0ca692f98a1f37faf3c3848cdcec974108306cc3a47745ba268ffcc4f6a0b55
SHA1 hash: 32b13fee23ce772d2d8c38c79d20d8ba83456c48
MD5 hash: 78e8fd198896383282bd179cded850bb
humanhash: social-india-neptune-cold
File name:78e8fd198896383282bd179cded850bb
Download: download sample
Signature Mirai
File size:58'876 bytes
First seen:2022-06-13 21:09:51 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:m9S+ar63HJvdQVMS/g23AXgVhEzKFxJs+uJvbbU:m9S+K63h+Vn3IGhEGvavPU
TLSH T16243012805C498B1C4B1533CFB7C5213234E17B8BBC8B1A936688E9D3BA746F597B58C
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 arm elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
183
Origin country :
n/a
Vendor Threat Intelligence
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug gafgyt mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
51
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23,37215
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
UNKNOWN
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
92 / 100
Signature
Deletes security-related log files
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 packed with UPX
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 644924 Sample: AiqfiUk2S4 Startdate: 13/06/2022 Architecture: LINUX Score: 92 52 102.38.52.30 Zoom-NetworksZA South Africa 2->52 54 67.91.201.15 XO-AS15US United States 2->54 56 98 other IPs or domains 2->56 58 Malicious sample detected (through community Yara rule) 2->58 60 Multi AV Scanner detection for submitted file 2->60 62 Yara detected Mirai 2->62 64 2 other signatures 2->64 10 AiqfiUk2S4 2->10         started        13 xfce4-session xfdesktop 2->13         started        15 xfce4-session xfdesktop 2->15         started        17 3 other processes 2->17 signatures3 process4 signatures5 70 Opens /proc/net/* files useful for finding connected devices and routers 10->70 19 AiqfiUk2S4 10->19         started        21 AiqfiUk2S4 10->21         started        23 AiqfiUk2S4 10->23         started        25 2 other processes 10->25 process6 process7 27 AiqfiUk2S4 19->27         started        process8 29 AiqfiUk2S4 sh 27->29         started        31 AiqfiUk2S4 sh 27->31         started        33 AiqfiUk2S4 sh 27->33         started        35 9 other processes 27->35 process9 37 sh rm 29->37         started        40 sh rm 31->40         started        42 sh rm 33->42         started        44 sh rm 35->44         started        46 sh pkill 35->46         started        48 sh pkill 35->48         started        50 5 other processes 35->50 signatures10 66 Sample deletes itself 37->66 68 Deletes security-related log files 40->68
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2022-06-13 21:10:09 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

elf f87a743a661cc9b34f3f9f5155006ee6bf781655dc81e4a5bad2dce9932e67ae

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2022-06-13 21:09:54 UTC

url : hxxp://172.245.210.119/.rIIoOx93/JFS.arm4