MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8a2d73a285e70d2cb0fd970ce2a0fe531edce68764ab0e6b7a5e0b13352361ff. 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: 13


Intelligence 13 IOCs YARA 11 File information Comments

SHA256 hash: 8a2d73a285e70d2cb0fd970ce2a0fe531edce68764ab0e6b7a5e0b13352361ff
SHA3-384 hash: 9a463c530d8e6795b2cb4f47af7d73ebb888be69aaef09a03c8291e599930ad4a38bf09101122d2e7e3c9893b75236d4
SHA1 hash: b8509f34de53892edf45ac3a9fc23c240648115c
MD5 hash: 395be10678093336d0a577eb6c092247
humanhash: double-echo-arkansas-purple
File name:file
Download: download sample
Signature GCleaner
File size:4'074'784 bytes
First seen:2025-10-21 04:06:19 UTC
Last seen:2025-10-21 04:07:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 78a45e959efc07af567f9c2b889acf08 (1 x GCleaner)
ssdeep 98304:7evIn8iL0iv5M/nk8AvewjaP0FOBeX50h4gjo7ZT8/c8s2:yvI8Nk8we1P0FW250+OsZg/1
Threatray 199 similar samples on MalwareBazaar
TLSH T19E16F156A6B79176D4459DBA4F5AD23C0C3A92587F307B6339D23D18EEE8703006E8CE
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 Bitsight
Tags:dropped-by-amadey exe gcleaner


Avatar
Bitsight
url: http://178.16.55.189/files/unique2/random.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
96
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-10-21 04:09:14 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:
94.9%
Tags:
delphi 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
Connection attempt to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
adaptive-context anti-debug base64 borland_delphi expired-cert fingerprint invalid-signature keylogger packed signed
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-21T01:15:00Z UTC
Last seen:
2025-10-21T01:34:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.Win32.Kryptik.gen
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:
2025-10-21 04:07:35 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Downloads MZ/PE file
Unpacked files
SH256 hash:
8a2d73a285e70d2cb0fd970ce2a0fe531edce68764ab0e6b7a5e0b13352361ff
MD5 hash:
395be10678093336d0a577eb6c092247
SHA1 hash:
b8509f34de53892edf45ac3a9fc23c240648115c
SH256 hash:
d3d3224b50e7ff955cba76e05f5058471add627c6f15658420146040192b3e1b
MD5 hash:
61f30fea94c55ee3199526448a73e58f
SHA1 hash:
71c175173df87bda7ffc77b2208b28f04bbdc628
SH256 hash:
dc87e67ae6f3d4d904e0edb175aff1949623384167bf1a78eb7cf8a8af115b17
MD5 hash:
b59e20a20e8652b635d6418f22f8c14a
SHA1 hash:
f0146049f2b5684f3ae55ebeaa63e55fa94a4df2
Detections:
GCleaner
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:Check_OutputDebugStringA_iat
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.

Web download

GCleaner

Executable exe 8a2d73a285e70d2cb0fd970ce2a0fe531edce68764ab0e6b7a5e0b13352361ff

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download

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