MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c1aaf42f7b5e9c7a0476ef09a513b4ce56823883ceda3bb819fc723980f97790. 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: 12


Intelligence 12 IOCs YARA 11 File information Comments 1

SHA256 hash: c1aaf42f7b5e9c7a0476ef09a513b4ce56823883ceda3bb819fc723980f97790
SHA3-384 hash: a5a1f4efb403b8833f2388bd2069bda6e151d75af958bea3b50d704b8ba9248094765391bf8f0af23be1dfb5bddf2fbb
SHA1 hash: 287e4717872b76ad178c8d5fe7cc65a4166665aa
MD5 hash: d0c2da5f05963f0c2c2cea5da61dc44b
humanhash: kitten-hamper-wisconsin-december
File name:d0c2da5f05963f0c2c2cea5da61dc44b
Download: download sample
Signature Mirai
File size:156'998 bytes
First seen:2024-04-14 12:15:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:xEYsjVxdugyXFtkpJL89tIFjPYK50woBqAqDrUjM/9YAFBX0:xE7VKgGkpJ4bmjPYK50pBEDrEM/9YEBk
TLSH T1EDE34B46EA818F13C4D527B6BAAF41893332A764D3DB73068D185FB43F86B6E0E63505
telfhash t12721fe351b21462a5b61dda888ed63b1151c93166748eb33df24848c20190efe93ec4f
Reporter zbetcheckin
Tags:32 arm elf gafgyt mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
94
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Opens a port
Substitutes an application name
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
mirai obfuscated
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
29
Number of processes launched:
7
Processes remaning?
true
Remote TCP ports scanned:
80,23,37215,443
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Verdict:
MALICIOUS
Result
Threat name:
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
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
Detected Mirai
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample tries to kill multiple processes (SIGKILL)
Snort IDS alert for network traffic
Uses known network protocols on non-standard ports
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1425739 Sample: W1w2WUui2Q.elf Startdate: 14/04/2024 Architecture: LINUX Score: 100 29 197.191.86.132 zain-asGH Ghana 2->29 31 41.174.85.252 ZOL-ASGB South Africa 2->31 33 99 other IPs or domains 2->33 35 Snort IDS alert for network traffic 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus / Scanner detection for submitted sample 2->39 41 6 other signatures 2->41 8 W1w2WUui2Q.elf 2->8         started        10 xfce4-panel wrapper-2.0 2->10         started        12 xfce4-panel wrapper-2.0 2->12         started        14 6 other processes 2->14 signatures3 process4 process5 16 W1w2WUui2Q.elf 8->16         started        18 wrapper-2.0 xfpm-power-backlight-helper 10->18         started        process6 20 W1w2WUui2Q.elf 16->20         started        23 W1w2WUui2Q.elf 16->23         started        25 W1w2WUui2Q.elf 16->25         started        27 3 other processes 16->27 signatures7 43 Sample tries to kill multiple processes (SIGKILL) 20->43
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-04-14 12:16:06 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet:unstable discovery
Behaviour
Contacts a large (238892) amount of remote hosts
Creates a large amount of network flows
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:MAL_ARM_LNX_Mirai_Mar13_2022
Author:Mehmet Ali Kerimoglu a.k.a. CYB3RMX
Description:Detects new ARM Mirai variant
Rule name:MAL_ELF_LNX_Mirai_Oct10_1
Author:Florian Roth (Nextron Systems)
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_1_RID2F39
Author:Florian Roth
Description:Detects ELF Mirai variant
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2
Author:Florian Roth (Nextron Systems)
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:MAL_ELF_LNX_Mirai_Oct10_2_RID2F3A
Author:Florian Roth
Description:Detects ELF malware Mirai related
Reference:Internal Research
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SUSP_XORed_Mozilla
Author:Florian Roth
Description:Detects suspicious single byte XORed keyword 'Mozilla/5.0' - it uses yara's XOR modifier and therefore cannot print the XOR key. You can use the CyberChef recipe linked in the reference field to brute force the used key.
Reference:https://gchq.github.io/CyberChef/#recipe=XOR_Brute_Force()
Rule name:SUSP_XORed_Mozilla_RID2DB4
Author:Florian Roth
Description:Detects suspicious XORed keyword - Mozilla/5.0
Reference:Internal Research
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

Mirai

elf c1aaf42f7b5e9c7a0476ef09a513b4ce56823883ceda3bb819fc723980f97790

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-04-14 12:15:34 UTC

url : hxxp://37.44.238.94/bins/arm7