MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91. 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: 9


Intelligence 9 IOCs YARA 14 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91
SHA3-384 hash: 45b51df3db357bffbd0007039ebb84d16a1a188ab44323f6830fa18ac5c32200558d4da2082dd443ee314c9f992d9ab1
SHA1 hash: f2c2b05acb1f50acdddaef3c8ac69ecf28249759
MD5 hash: cdda943273d83213d27a9c05dbb8ca24
humanhash: speaker-neptune-glucose-texas
File name:a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91.zip
Download: download sample
Signature QuirkyLoader
Create hunting rule
File size:2'831'138 bytes
First seen:2026-03-16 14:17:31 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 49152:YYnn01o4BMm2FPhJvvWsSiCcq5EeI94+5mbbRCYoKIeaIq9d:YIOpBMTPfnQiCcEo4f8YdQIqr
TLSH T19AD5335C046297B0A65E41BA3F78E345F9EF55BE443B2CE2DB62930C4AD6644AFB0313
Magika zip
Reporter JAMESWT_WT
Tags:nisuwyyyqsafdas-com QuirkyLoader zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
178
Origin country :
IT IT
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/5175410e-8939-45b2-ae19-8f065fe806e5/
Detection(s):
SecuriteInfo.com.Win64.MalwareX-gen.16995866.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Variant.Application.Mikey.109901.38243763.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=697506d8bcad3327ec08407d
Tags:
virus
Result
Verdict:
Unknown
File Type:
PE File
Link:
https://app.docguard.net/a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91/results/dashboard
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
adaptive-context filecoder fingerprint hacktool microsoft_visual_cc mikey packed ransomware
Link:
https://www.filescan.io/uploads/69b81128493cb7d62d0012ae/reports/82969916-d855-4705-b0d9-0c95d5f832fe/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91
Result
Verdict:
MALICIOUS
Link:
https://labs.inquest.net/dfi/sha256/a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91
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
First seen:
2026-02-05T08:49:00Z UTC
Last seen:
2026-02-05T21:36:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91/results?tab=lookup
Score:
99%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91
Verdict:
inconclusive
YARA:
3 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Zip Archive
Link:
https://app.malva.re/file/cdda943273d83213d27a9c05dbb8ca24
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91/
Threat name:
Win64.Trojan.DllHijack
Create hunting rule
Status:
Suspicious
First seen:
2026-02-05 14:58:30 UTC
File Type:
Binary (Archive)
Extracted files:
26
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uuajtr66vjgbf5ezpvdkbdzz3atdisqc2l2wyrmzbhp2c6mqjoiq._file
Result
Malware family:
n/a
Score:
  7/10
Tags:
defense_evasion discovery execution persistence
Link:
https://tria.ge/reports/260316-rvf21abx4r/
Behaviour
Suspicious behavior: LoadsDriver
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Executes dropped EXE
Launches sc.exe
Loads dropped DLL
Suspicious use of SetThreadContext
Adds Run key to start application
Creates new service(s)
Stops running service(s)
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/a50099c7deaa4c12f4997d46a08f39d826344a02d2f56c459909dfa179904b91

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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: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.

File information

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

Comments