MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8538b76ffa14fbf166ed882d3c7668a3fdc14fcc5b4b5b8506c5622c343bb112. 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



GCleaner


Vendor detections: 14


Intelligence 14 IOCs YARA 10 File information Comments

SHA256 hash: 8538b76ffa14fbf166ed882d3c7668a3fdc14fcc5b4b5b8506c5622c343bb112
SHA3-384 hash: 1b102c1c9f13ce595f0bd6cfed64fcf5362556a4e802d8126ec8c472b4df71574de812403e0aa71b01dae3d6877bccc4
SHA1 hash: cbf205bd5917921abc72d9aebae437da9f63cf10
MD5 hash: f1d4b7c23a8b473a3597bc9c81483a20
humanhash: maine-pip-kilo-carolina
File name:f1d4b7c23a8b473a3597bc9c81483a20
Download: download sample
Signature GCleaner
File size:4'827'408 bytes
First seen:2025-12-15 10:17:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d6d59e601afc378e6b868e34a4f4ad5a (20 x GCleaner)
ssdeep 98304:ToeN/PX4iPL2TU8FtkRMdjwApEqoMngjiSeg:kgPJ8FtkRMdjXP7g2xg
Threatray 281 similar samples on MalwareBazaar
TLSH T10926D0F6C5E2F93BF2BA06BFDC096DC9A031EC30EE9556C959B80858051AB31B055DF2
TrID 52.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
16.8% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.5% (.EXE) OS/2 Executable (generic) (2029/13)
7.4% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter adrian__luca
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
77
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
f1d4b7c23a8b473a3597bc9c81483a20
Verdict:
Malicious activity
Analysis date:
2025-12-15 13:09:08 UTC
Tags:
auto generic gcleaner loader

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
97.4%
Tags:
delphi cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug borland_delphi expired-cert fingerprint installer-heuristic invalid-signature keylogger packed signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-13T05:17:00Z UTC
Last seen:
2025-12-13T05:27:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Trojan.GCleaner
Status:
Malicious
First seen:
2025-12-13 10:38:49 UTC
File Type:
PE (Exe)
Extracted files:
38
AV detection:
13 of 23 (56.52%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
GCleaner
Gcleaner family
Malware Config
C2 Extraction:
185.156.73.98
Unpacked files
SH256 hash:
d3d3224b50e7ff955cba76e05f5058471add627c6f15658420146040192b3e1b
MD5 hash:
61f30fea94c55ee3199526448a73e58f
SHA1 hash:
71c175173df87bda7ffc77b2208b28f04bbdc628
SH256 hash:
ac0f75fdc8821435efe538cd96da8c9e48c951ce7595c1f229a31c6cacffab0c
MD5 hash:
9bb0a59db0859b8b0ddc3b43d70c8a5a
SHA1 hash:
d7c19605709c7078a2234aa5c2e2a7600ff7da98
SH256 hash:
8538b76ffa14fbf166ed882d3c7668a3fdc14fcc5b4b5b8506c5622c343bb112
MD5 hash:
f1d4b7c23a8b473a3597bc9c81483a20
SHA1 hash:
cbf205bd5917921abc72d9aebae437da9f63cf10
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:BobSoftMiniDelphiBoBBobSoft
Author:malware-lu
Rule name:Borland
Author:malware-lu
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns

File information


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

Malspam

GCleaner

Executable exe 8538b76ffa14fbf166ed882d3c7668a3fdc14fcc5b4b5b8506c5622c343bb112

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments