MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f40b66c4c0b1a812ab2efa37a8012bac41d1bbf5f8608f19158166c97738bab6. 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: 16


Intelligence 16 IOCs YARA 6 File information Comments

SHA256 hash: f40b66c4c0b1a812ab2efa37a8012bac41d1bbf5f8608f19158166c97738bab6
SHA3-384 hash: d521133e2fc575933249718928667f44e365989ccc19c8f5e6ce32c2c7787245a72fa82e67716fa4d220ea5c1380dafe
SHA1 hash: 85884ba0508c75b164dfed9dc2328761a4d89bf5
MD5 hash: 21240fbf94a06eccd921a781619caf64
humanhash: music-iowa-spaghetti-leopard
File name:SecuriteInfo.com.Trojan.DownLoader48.41005.18092.23617
Download: download sample
Signature GCleaner
File size:3'377'952 bytes
First seen:2025-06-27 07:30:16 UTC
Last seen:2025-06-27 08:31:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 921e1f3429333d6da567ac601b9761a1 (4 x GCleaner)
ssdeep 49152:ge3Esb3h33tAPvzRSzDj1HFbvwn9Svags2ALZ5XDQR844cq9kty06lp8/nJ8dGG9:ge3Es13CRUf/InFgsVLZ6gd06okf9
TLSH T19AF5F173D540CF25D1532D34B87D62A4881169036E2E6823E0F78A4EBF3F2D6529F6E6
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 SecuriteInfoCom
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
2
# of downloads :
399
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Trojan.DownLoader48.41005.18092.23617
Verdict:
Malicious activity
Analysis date:
2025-06-27 07:33:59 UTC
Tags:
delphi gcleaner loader auto generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
delphi emotet cobalt
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 base64 borland_delphi expired-cert fingerprint invalid-signature keylogger packed packed packer_detected signed
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PE (Portable Executable) Win 32 Exe x86
Threat name:
Win32.Trojan.GCleaner
Status:
Malicious
First seen:
2025-06-27 07:36:44 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Executes dropped EXE
Loads dropped DLL
Downloads MZ/PE file
GCleaner
Gcleaner family
Malware Config
C2 Extraction:
45.91.200.135
Unpacked files
SH256 hash:
f40b66c4c0b1a812ab2efa37a8012bac41d1bbf5f8608f19158166c97738bab6
MD5 hash:
21240fbf94a06eccd921a781619caf64
SHA1 hash:
85884ba0508c75b164dfed9dc2328761a4d89bf5
SH256 hash:
0a0b083cc0e62db594b7be21088202c7fe0970d609b2847085d0bf2be8e54a5c
MD5 hash:
4ce3ce196eda86d92b68362b6269b618
SHA1 hash:
fd42ee0aca0315acac25c297f1ce33634c549559
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:pe_detect_tls_callbacks
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)

File information


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

BLint


The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryExA
kernel32.dll::LoadLibraryA
kernel32.dll::GetSystemInfo
kernel32.dll::GetStartupInfoA
kernel32.dll::GetDiskFreeSpaceA
kernel32.dll::GetCommandLineA
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::DeleteFileA
kernel32.dll::FindFirstFileA
kernel32.dll::GetTempPathA
version.dll::GetFileVersionInfoSizeA
version.dll::GetFileVersionInfoA
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExA
advapi32.dll::RegQueryValueExA
WIN_USER_APIPerforms GUI Actionsuser32.dll::ActivateKeyboardLayout
user32.dll::CreateMenu
user32.dll::FindWindowA
user32.dll::PeekMessageA
user32.dll::CreateWindowExA

Comments