MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4. 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


QuirkyLoader


Vendor detections: 8


Intelligence 8 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4
SHA3-384 hash: 945cfb59ad29e9d8e1d838759a0ede6b6ffcd80d63c684edcee8b133ec54490f48ecc8ca18a684a32dc9564ba075837a
SHA1 hash: a19c6c681c0ebab57240c30b2f9aedca4bbf1534
MD5 hash: 1b37643c7ac8a8d2a42860d27526fc6e
humanhash: arkansas-lion-mexico-earth
File name:asfixsoftwaredev.zip
Download: download sample
Signature QuirkyLoader
Create hunting rule
File size:7'078'482 bytes
First seen:2026-03-16 14:11:49 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 196608:+ZftBf+yuv9tI0uU+HB/OGUElH6XU8YYlbHXUz:+BPf+Dv9+rU+h/PUEl0U8YYlbEz
TLSH T178663335F49D18C1E837E87FE1E12AA1C3D73309D246947E92627BC8B2D17CA048E56B
Magika zip
Reporter JAMESWT_WT
Tags:asmweosiqsaaw-com booking ClickFix QuirkyLoader zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
165
Origin country :
IT IT
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/851ea43a-22a3-4990-8e33-1a6ebabb484e/
Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69a74030002d37d5c98341b2
Tags:
n/a
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4/results/dashboard
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Malicious
File Type:
zip
Link:
https://opentip.kaspersky.com/283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4/results?tab=lookup
Score:
92%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Zip Archive
Link:
https://app.malva.re/file/1b37643c7ac8a8d2a42860d27526fc6e
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4/
Threat name:
Win64.Trojan.Suschil
Create hunting rule
Status:
Malicious
First seen:
2026-03-16 14:11:36 UTC
File Type:
Binary (Archive)
Extracted files:
13
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fa5estn6izi3m7gvggsito73r5vkgfwhpxxccir2gpqssgfwrtka._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery persistence
Link:
https://tria.ge/reports/260316-rvf21abx4q/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4

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:Check_OutputDebugStringA_iat
Create hunting rule
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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Create hunting rule
Author:Fernando Mercês
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:ldpreload
Create hunting rule
Author:xorseed
Reference:https://stuff.rop.io/
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
Create hunting rule
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:win_quirkyloader_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.quirkyloader.

File information

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

Web download

QuirkyLoader

zip 283a494dbe4651b67cd531a489bbfb8f6aa316c77dee21223a33e12918b68cd4

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3793775/
  
Delivery method
Distributed via web download

Comments