MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28c309d8996ac945ecd955a6af5e7039149b19d05a380d3b23171887096061c8. 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 12 File information Comments

SHA256 hash: 28c309d8996ac945ecd955a6af5e7039149b19d05a380d3b23171887096061c8
SHA3-384 hash: a43ab787ff3066c17a21a1e45038b86dab09bf178aa256641acc7be8b1956f8ebeb50d892efc67ce70b4633e313381d1
SHA1 hash: ca03e6c372f3f814389f5b88e54c45a02b3ae691
MD5 hash: 96610ce29a4bd44b0ce6974685539f61
humanhash: finch-low-batman-johnny
File name:96610ce29a4bd44b0ce6974685539f61
Download: download sample
Signature GCleaner
File size:5'681'424 bytes
First seen:2026-01-02 20:29:15 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1b75c88ba8dc5be89125ab3e1bf810bd (18 x GCleaner)
ssdeep 98304:5S/NFNAtdbldFsvnCNT/VSrmSuw048/LRu/8s4yk:YV8tVljGnqT/UqSuw0K/8sdk
Threatray 394 similar samples on MalwareBazaar
TLSH T11946DF35DAE18E32D6F396BA383F06EC876F5F19C49CD6761760384BADF1A4BA050061
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 :
28
Origin country :
HU HU
Vendor Threat Intelligence
No detections
Malware family:
n/a
ID:
1
File name:
96610ce29a4bd44b0ce6974685539f61
Verdict:
Malicious activity
Analysis date:
2026-01-02 23:33:57 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:
99.9%
Tags:
delphi remcos cobalt emotet
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:
2025-12-20T04:28:00Z UTC
Last seen:
2026-01-04T11:42:00Z UTC
Hits:
~10
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Threat name:
Win32.Backdoor.Androm
Status:
Malicious
First seen:
2025-12-21 13:58:00 UTC
File Type:
PE (Exe)
Extracted files:
58
AV detection:
23 of 36 (63.89%)
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:
28c309d8996ac945ecd955a6af5e7039149b19d05a380d3b23171887096061c8
MD5 hash:
96610ce29a4bd44b0ce6974685539f61
SHA1 hash:
ca03e6c372f3f814389f5b88e54c45a02b3ae691
SH256 hash:
d3d3224b50e7ff955cba76e05f5058471add627c6f15658420146040192b3e1b
MD5 hash:
61f30fea94c55ee3199526448a73e58f
SHA1 hash:
71c175173df87bda7ffc77b2208b28f04bbdc628
SH256 hash:
9ac1b54270eab076290ca76ba538674327196df5e4b54e65550bff1979d9481a
MD5 hash:
b9413ecc410f4e24649d141a42c4dd48
SHA1 hash:
774a1b6854487793fa5f5245b366d3b8d5dcf22f
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 28c309d8996ac945ecd955a6af5e7039149b19d05a380d3b23171887096061c8

(this sample)

  
Delivery method
Distributed via e-mail attachment

Comments