MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c84aecad472883b9c198248037fd5436a3f3f94eff3dbcc8c3a095cc21058018. 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 1 File information Comments 1

SHA256 hash: c84aecad472883b9c198248037fd5436a3f3f94eff3dbcc8c3a095cc21058018
SHA3-384 hash: e40f2b49be64b2c640d13a2af20d4efd558ce04e89836295c2636b11f6faf325af83476ce65c665d64f70689ce08f509
SHA1 hash: d5efa26084d6190213c19d66fb2ec062a1cf85bb
MD5 hash: 056f550c9088b6270b7daaad7ccb12c4
humanhash: music-golf-fruit-massachusetts
File name:056f550c9088b6270b7daaad7ccb12c4
Download: download sample
Signature Gafgyt
File size:78'876 bytes
First seen:2024-05-01 08:53:37 UTC
Last seen:2024-05-01 09:19:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:2FdfAKW4J8KS5Hse++/eX942/Y6B5gaz3wTY/R+UhTx:2rf9p6vMe9CEwg63MC
TLSH T1E97312A9CF00D682EB399FFAB790CF01B04A19E3F91305DB46A4856B43526FD7643A4D
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 elf gafgyt mips mirai

Intelligence


File Origin
# of uploads :
2
# of downloads :
85
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Opens a port
Removes directories
Sends data to a server
Deleting a recently created file
DNS request
Receives data from a server
Connection attempt
Removes directories from a temporary directory
Runs as daemon
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
UPX
Botnet:
unknown
Number of open files:
19
Number of processes launched:
6
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
Detection:
malicious
Classification:
spre.troj.evad
Score:
72 / 100
Signature
Deletes system log files
Multi AV Scanner detection for submitted file
Sample is packed with UPX
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill multiple processes (SIGKILL)
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1434542 Sample: BmUqTSDTP2.elf Startdate: 01/05/2024 Architecture: LINUX Score: 72 29 Multi AV Scanner detection for submitted file 2->29 31 Yara detected Gafgyt 2->31 33 Sample is packed with UPX 2->33 8 dash rm BmUqTSDTP2.elf 2->8         started        10 gvfsd-fuse fusermount 2->10         started        13 gnome-session-binary sh gsd-sharing 2->13         started        15 48 other processes 2->15 process3 signatures4 17 BmUqTSDTP2.elf 8->17         started        39 Sample reads /proc/mounts (often used for finding a writable filesystem) 10->39 process5 process6 19 BmUqTSDTP2.elf 17->19         started        21 BmUqTSDTP2.elf 17->21         started        24 BmUqTSDTP2.elf 17->24         started        signatures7 26 BmUqTSDTP2.elf 19->26         started        35 Deletes system log files 21->35 37 Sample tries to kill multiple processes (SIGKILL) 24->37 process8 signatures9 41 Sample tries to kill multiple processes (SIGKILL) 26->41
Threat name:
Linux.Trojan.Mirai
Status:
Malicious
First seen:
2024-05-01 08:54:07 UTC
File Type:
ELF32 Big (Exe)
AV detection:
12 of 24 (50.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
upx
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:SUSP_ELF_LNX_UPX_Compressed_File
Author:Florian Roth (Nextron Systems)
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

Gafgyt

elf c84aecad472883b9c198248037fd5436a3f3f94eff3dbcc8c3a095cc21058018

(this sample)

  
Delivery method
Distributed via web download

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments



Avatar
zbet commented on 2024-05-01 08:53:38 UTC

url : hxxp://45.81.242.10/mips