MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c. 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: 11


Intelligence 11 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c
SHA3-384 hash: 0445ec3e6c532ba33c98a27f8e9152c73014639f49aaafaffda528004c6f0a00e5fd910f92eed4e430c7da5035549109
SHA1 hash: f7f09fe42a583e4d2df13630ab7ace2ca4d2bdff
MD5 hash: 2408f1d3ef58993ec079df823e3faa26
humanhash: virginia-whiskey-moon-sixteen
File name:libpsl-5.dll
Download: download sample
Signature QuirkyLoader
Create hunting rule
File size:4'077'568 bytes
First seen:2026-03-16 14:11:53 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 529c2374bb6d2fe0c7653bcd00767eaf (1 x QuirkyLoader)
ssdeep 98304:ZofqIV4fQx85+FtOl2Xk/uFmJ1Z4q6fYrz1mafvpO0Dwn8+LCH0y8D:ZYqIV4Yxi2U/uC34BfwpOl8UCUbD
TLSH T13D16BE56B3C819A9D526CA38C744E333C1B2B9634B76D18B1A9AD7061F779528F3FB00
TrID 70.9% (.EXE) InstallShield setup (43053/19/16)
10.7% (.EXE) Win64 Executable (generic) (6522/11/2)
8.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
3.3% (.EXE) OS/2 Executable (generic) (2029/13)
3.3% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter JAMESWT_WT
Tags:asmweosiqsaaw-com booking ClickFix exe QuirkyLoader

Intelligence

File Origin
# of uploads :
1
# of downloads :
133
Origin country :
IT IT
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
libpsl-5.dll
Verdict:
No threats detected
Analysis date:
2026-03-16 14:13:02 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/b8eed037-df05-48f2-b98e-88b2634e2712

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/57652/
Verdict:
Malicious
Score:
90.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=69b80fc188c80c01586ac907
Tags:
emotet virus
Result
Verdict:
Clean
Maliciousness:
Gathering data
Verdict:
Malicious
Labled as:
Ulise.Generic
Link:
https://www.hybrid-analysis.com/sample/fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c
Verdict:
Malicious
File Type:
dll x64
Detections:
HEUR:Trojan.Win64.Generic HEUR:Trojan.Win64.Convagent.gen
Link:
https://opentip.kaspersky.com/fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c/results?tab=lookup
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/23e48969-300a-4ec2-944d-3514e82b07bd
Score:
92%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 64 Exe x64
Link:
https://app.malva.re/file/2408f1d3ef58993ec079df823e3faa26
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c/
Verdict:
Malicious
Threat:
Trojan.Win64.Convagent
Link:
https://tip.neiki.dev/file/fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c
Threat name:
Win64.Trojan.Ulise
Create hunting rule
Status:
Malicious
First seen:
2026-03-16 14:11:35 UTC
File Type:
PE+ (Dll)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7rob732yfzdjaxcgfvgzax557m5xbnnfohqyfwv2yosltohvpsoa._file
Result
Malware family:
n/a
Score:
  3/10
Tags:
n/a
Link:
https://tria.ge/reports/260316-rhwa6abv4m/
Unpacked files
SH256 hash:
fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c
MD5 hash:
2408f1d3ef58993ec079df823e3faa26
SHA1 hash:
f7f09fe42a583e4d2df13630ab7ace2ca4d2bdff
Detections:
win_quirkyloader_auto
Create hunting rule
Link:
https://www.unpac.me/results/5c066603-56f2-4a68-970b-329f245a9034/
Malware family:
QuirkyLoader
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/fc5c1fef582e/report/overview.html
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/fc5c1fef582e46905c462d4d905fbdfb3b70b5a571e182dabac3a4b9b8f57c9c

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: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: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: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.

Cape
Cape
https://www.capesandbox.com/analysis/57652/

Comments