MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 99499e93fa0bb9f32426c7ba42b7c45c4c56ff8f2bcf704ce06aad3e94d00dc0. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments

SHA256 hash: 99499e93fa0bb9f32426c7ba42b7c45c4c56ff8f2bcf704ce06aad3e94d00dc0
SHA3-384 hash: b0a622a2a6cbbddc05144bbc2fa4e1f89f95e10d4a21955b7a6850a8302e5f53ff5db73b5e147f628ee9cc5de76279e7
SHA1 hash: ff50f19a7904cac5de0296fc9776dbd45f39d3c1
MD5 hash: a783f2c9657268deb95b73b6050f5e3f
humanhash: iowa-batman-potato-mockingbird
File name:debug
Download: download sample
Signature Mirai
File size:60'156 bytes
First seen:2025-11-22 23:54:48 UTC
Last seen:2025-11-23 14:46:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:uoi/Pd6GKHJodPxqEIGUnf9US0oHHbnouy8HyS:uH97KHJsPkx3ULkoutt
TLSH T1C3430219592D8F2CE94F3131856B3B4E2CC4922F835563CE39C672D66889E643D79373
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 mirai UPX
File size (compressed) :60'156 bytes
File size (de-compressed) :162'344 bytes
Format:linux/i386
Unpacked file: 15ae0ae241a8224a2afdea421f7588ca4b03708b65799fdbcd7cf63ef3f523a9

Intelligence


File Origin
# of uploads :
2
# of downloads :
19
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Kills processes
Opens a port
Changes access rights for a written file
Launching a process
Changes access rights for a file
Sets a written file as executable
Creating a file
Connection attempt
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
packed upx
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-11-22T22:21:00Z UTC
Last seen:
2025-11-23T10:24:00Z UTC
Hits:
~100
Status:
terminated
Behavior Graph:
%3 guuid=bb363d28-1d00-0000-4047-96b6db0a0000 pid=2779 /usr/bin/sudo guuid=08c06f2a-1d00-0000-4047-96b6e20a0000 pid=2786 /tmp/sample.bin net write-config write-file guuid=bb363d28-1d00-0000-4047-96b6db0a0000 pid=2779->guuid=08c06f2a-1d00-0000-4047-96b6e20a0000 pid=2786 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=08c06f2a-1d00-0000-4047-96b6e20a0000 pid=2786->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c4550168-1d00-0000-4047-96b6670b0000 pid=2919 /usr/bin/dash guuid=08c06f2a-1d00-0000-4047-96b6e20a0000 pid=2786->guuid=c4550168-1d00-0000-4047-96b6670b0000 pid=2919 execve guuid=d46b5168-1d00-0000-4047-96b6680b0000 pid=2920 /usr/bin/dash guuid=08c06f2a-1d00-0000-4047-96b6e20a0000 pid=2786->guuid=d46b5168-1d00-0000-4047-96b6680b0000 pid=2920 execve guuid=4474b168-1d00-0000-4047-96b6690b0000 pid=2921 /tmp/sample.bin guuid=08c06f2a-1d00-0000-4047-96b6e20a0000 pid=2786->guuid=4474b168-1d00-0000-4047-96b6690b0000 pid=2921 clone guuid=0c90b768-1d00-0000-4047-96b66a0b0000 pid=2922 /tmp/sample.bin guuid=08c06f2a-1d00-0000-4047-96b6e20a0000 pid=2786->guuid=0c90b768-1d00-0000-4047-96b66a0b0000 pid=2922 clone guuid=6094bd68-1d00-0000-4047-96b66b0b0000 pid=2923 /tmp/sample.bin guuid=4474b168-1d00-0000-4047-96b6690b0000 pid=2921->guuid=6094bd68-1d00-0000-4047-96b66b0b0000 pid=2923 clone guuid=af4a4769-1d00-0000-4047-96b66c0b0000 pid=2924 /tmp/sample.bin guuid=0c90b768-1d00-0000-4047-96b66a0b0000 pid=2922->guuid=af4a4769-1d00-0000-4047-96b66c0b0000 pid=2924 clone
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1819255 Sample: debug.elf Startdate: 23/11/2025 Architecture: LINUX Score: 92 35 109.202.202.202, 80 INIT7CH Switzerland 2->35 37 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->37 39 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Multi AV Scanner detection for submitted file 2->43 45 Yara detected Gafgyt 2->45 47 2 other signatures 2->47 8 dash rm debug.elf 2->8         started        11 dash rm 2->11         started        13 dash cut 2->13         started        15 7 other processes 2->15 signatures3 process4 file5 33 /usr/local/bin/infinitd, ELF 8->33 dropped 17 debug.elf sh 8->17         started        19 debug.elf sh 8->19         started        21 debug.elf 8->21         started        23 debug.elf 8->23         started        process6 process7 25 sh 17->25         started        27 sh 19->27         started        29 debug.elf 21->29         started        31 debug.elf 23->31         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-11-23 00:41:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai botnet discovery linux persistence privilege_escalation upx
Behaviour
Reads runtime system information
UPX packed file
Enumerates running processes
Modifies systemd
Write file to user bin folder
Mirai
Mirai family
Malware Config
C2 Extraction:
teamc2.duckdns.org
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135858-0
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_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:upx_packed_elf_v1
Author:RandomMalware

File information


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

Web download

Mirai

elf 99499e93fa0bb9f32426c7ba42b7c45c4c56ff8f2bcf704ce06aad3e94d00dc0

(this sample)

Comments