MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c
SHA3-384 hash: cf3d878099acd305f7452783a81e13e5c201905851e1b212c1be2c9156b578b3c849a04f86873e6370d308205cfecd2c
SHA1 hash: 9878f61bafd81b145a61032d4ebbf1db275956c1
MD5 hash: ac69be56a01b88c5fea7cc80d41df745
humanhash: beer-violet-fillet-indigo
File name:arm
Download: download sample
Signature Mirai
Create hunting rule
File size:373'588 bytes
First seen:2026-02-05 01:24:19 UTC
Last seen:2026-02-05 02:23:48 UTC
File type: elf
MIME type:application/x-sharedlib
ssdeep 6144:kYtKIBaRqHwl0LQRSU4V2Fh7uXCDx/1VFLcQpAUvrKCUQNIXyEZ31qbWpuhhgIKx:kYK6QFLcQpkxyKTufwjDExjM4lC5
TLSH T1A684FA6DF4809F7ACBD0617EFAA502CD33374F68EBD9720589356B3437E6A25943A201
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 be1fedac58942ea1e49010b27a0e2457c8aaccb166f1c87c6ce594569e920a0a
File size (compressed) :140'764 bytes
File size (de-compressed) :373'588 bytes
Format:linux/arm
Packed file: be1fedac58942ea1e49010b27a0e2457c8aaccb166f1c87c6ce594569e920a0a

Intelligence

File Origin
# of uploads :
2
# of downloads :
85
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.BackDoor.Fgt.6240.2514.859.UNOFFICIAL
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt gcc mirai rust
Link:
https://www.filescan.io/uploads/6983f1812ffccda0976853cd/reports/f236a29d-c115-415f-a231-324dc039cecc/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
UPX
Botnet:
unknown
Number of open files:
130
Number of processes launched:
574
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c
Behaviour
Persistence
Process Renaming
Firewall Changes
Information Gathering
Kernel Modules
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-04T23:34:00Z UTC
Last seen:
2026-02-04T23:59:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c/results?tab=lookup
Malware family:
Ngioweb
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fcc5d52b-6be0-46f7-9cd0-de0ac0c3e41d
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
52 / 100
Link:
https://www.joesandbox.com/analysis/1863664
Signature
Multi AV Scanner detection for submitted file
Terminates several processes with shell command 'killall'
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1863664 Sample: arm.elf Startdate: 05/02/2026 Architecture: LINUX Score: 52 24 169.254.169.254, 80 USDOSUS Reserved 2->24 26 109.202.202.202, 80 INIT7CH Switzerland 2->26 28 3 other IPs or domains 2->28 30 Multi AV Scanner detection for submitted file 2->30 7 arm.elf 2->7         started        9 dash rm 2->9         started        11 dash rm 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 arm.elf killall 7->15         started        18 arm.elf killall 7->18         started        20 arm.elf killall 7->20         started        22 49 other processes 7->22 signatures6 32 Terminates several processes with shell command 'killall' 15->32
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-02-05 01:25:21 UTC
File Type:
ELF32 Little (SO)
AV detection:
9 of 36 (25.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=dhh7sdlqdmavwitq4h4e3dnfyg6g7zw4dwkqej6qgdad2goiqqwa._file
Result
Malware family:
xmrig_linux
Create hunting rule
Score:
  10/10
Tags:
family:xmrig_linux defense_evasion discovery miner
Link:
https://tria.ge/reports/260205-bs432sc19g/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to shm directory
Changes its process name
Enumerates running processes
Executes dropped EXE
Flushes firewall rules
Xmrig_linux family
xmrig
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:elf_arm_mips_ko_so
Create hunting rule
Rule name:ELF_IoT_Persistence_Hunt
Create hunting rule
Author:4r4
Description:Hunts for ELF files with persistence and download capabilities
Rule name:ELF_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:iot_req_metachar
Create hunting rule
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
Rule name:unixredflags3
Create hunting rule
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 be1fedac58942ea1e49010b27a0e2457c8aaccb166f1c87c6ce594569e920a0a

Mirai

elf 19cff90d701b015b2270e1f84d8da5c1bc6fe6dc1d950227d030c03d19c8842c

(this sample)

  
Dropped by
SHA256 be1fedac58942ea1e49010b27a0e2457c8aaccb166f1c87c6ce594569e920a0a
  
URLhaus
https://urlhaus.abuse.ch/url/3748047/
  
Delivery method
Distributed via web download
  
Dropped by
MD5 a492bdac074decd9e8f495106880a671

Comments