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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31f3e56bad615b2e749f41a9fc12e7e8689fe57f208e900da6bc1ad9ac28733d. 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


Joker


Vendor detections: 6


Intelligence 6 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 31f3e56bad615b2e749f41a9fc12e7e8689fe57f208e900da6bc1ad9ac28733d
SHA3-384 hash: bec30f9bb2a35909a3e3a80c2f8da2fe2378572760bb84850a30fb397aa1378e6c0ab85bfd51b8ec4826dd5840c0df96
SHA1 hash: db4458ce8a56d0b068177b1c50ab89566c5d1a0c
MD5 hash: cafb7391bdc966114b12c08791617e97
humanhash: william-twelve-hot-beer
File name:Fresh Space Cleaner_1.5.apk
Download: download sample
Signature Joker
Create hunting rule
File size:14'303'471 bytes
First seen:2026-06-26 03:44:17 UTC
Last seen:Never
File type: apk
MIME type:application/zip
ssdeep 393216:VW+XUCq9NAWPWMqXzGxJn4fp6G6wsNLjTAC:VW+XUrROzG34fpKN/h
TLSH T16DE62396F36DE02FC87764734EB6A231019A0C07C583AB67A914734C6AB75D84F9AFC4
TrID 40.0% (.APK) Android Package (27000/1/5)
20.0% (.JAR) Java Archive (13500/1/2)
18.5% (.VYM) VYM Mind Map (12500/1/3)
15.5% (.SH3D) Sweet Home 3D Design (generic) (10500/1/3)
5.9% (.ZIP) ZIP compressed archive (4000/1)
Magika apk
Reporter Anonymous
Tags:apk joker malware signed

Code Signing Certificate

Organisation:Android
Issuer:Android
Algorithm:sha256WithRSAEncryption
Valid from:2026-06-17T08:27:00Z
Valid to:2056-06-17T08:27:00Z
Serial number: 72777f004240d3d1c3f28293830512e552068754
Thumbprint Algorithm:SHA256
Thumbprint: d545b98b53f8d8b0fa99759dd2626b9e7d9ff9a859cd35847d98375bc659aa24
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin
# of uploads :
1
# of downloads :
237
Origin country :
US US
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
base64 crypto downloader evasive expand fingerprint lolbin persistence signed
Link:
https://www.filescan.io/uploads/6a3df5ea1d7b0dc016ffac52/reports/aacb1862-62cb-4fec-bfbd-d925373f6fdd/overview
Result
Link:
https://incinerator.cloud/#/public/report/cafb7391bdc966114b12c08791617e97/detail
Application Permissions
read external storage contents (READ_EXTERNAL_STORAGE)
read/modify/delete external storage contents (WRITE_EXTERNAL_STORAGE)
automatically start at boot (RECEIVE_BOOT_COMPLETED)
full Internet access (INTERNET)
view network status (ACCESS_NETWORK_STATE)
prevent phone from sleeping (WAKE_LOCK)
change network connectivity (CHANGE_NETWORK_STATE)
C2DM permissions (RECEIVE)
Verdict:
Clean
File Type:
apk
First seen:
2026-06-26T04:59:00Z UTC
Last seen:
2026-06-26T05:05:00Z UTC
Hits:
~100
Link:
https://opentip.kaspersky.com/31f3e56bad615b2e749f41a9fc12e7e8689fe57f208e900da6bc1ad9ac28733d/results?tab=lookup
Score:
67%
Verdict:
Susipicious
File Type:
APK
Link:
https://malprob.io/report/31f3e56bad615b2e749f41a9fc12e7e8689fe57f208e900da6bc1ad9ac28733d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31f3e56bad615b2e749f41a9fc12e7e8689fe57f208e900da6bc1ad9ac28733d/
Threat name:
Win32.Trojan.Egairtigado
Create hunting rule
Status:
Malicious
First seen:
2026-06-26 03:45:55 UTC
File Type:
Binary (Archive)
Extracted files:
1122
AV detection:
4 of 24 (16.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghz6k25nmfns45e7igu7yexh5buj7zl7echjadngxqnntlbiom6q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
android collection credential_access defense_evasion discovery evasion execution impact persistence
Link:
https://tria.ge/reports/260626-l9zj1aav2s/
Behaviour
Checks CPU information
Checks memory information
Registers a broadcast receiver at runtime (usually for listening for system events)
Schedules tasks to execute at a specified time
Uses Crypto APIs (Might try to encrypt user data)
Checks the presence of a debugger
Listens for changes in the sensor environment (might be used to detect emulation)
Acquires the wake lock
Queries information about active data network
Queries the mobile country code (MCC)
Reads information about phone network operator.
Requests accessing notifications (often used to intercept notifications before users become aware).
Checks Android system properties for emulator presence.
Loads dropped Dex/Jar
Obtains sensitive information copied to the device clipboard
Queries information about running processes on the device
Checks if the Android device is rooted.
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/31f3e56bad615b2e749f41a9fc12e7e8689fe57f208e900da6bc1ad9ac28733d

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:telebot_framework
Create hunting rule
Author:vietdx.mb

File information

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

  
Link
https://play.google.com/store/apps/details?id=com.yore.cleaner.bigfile

Comments