MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 55d622cdf058f4f73000f9293e21eabd5beded2a79a99d277b03772389728325. 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
| SHA256 hash: | 55d622cdf058f4f73000f9293e21eabd5beded2a79a99d277b03772389728325 |
|---|---|
| SHA3-384 hash: | b47dc347bc55f140242452e75f82c3a3257ae9643450d6791063b023a2dcc2a8f8426efc7a0dcff67b80a02b185ab9f9 |
| SHA1 hash: | 0029a1675267ebf8091b851d9cc5ff77cde67abd |
| MD5 hash: | 09d88c96027df7b216973c433becb5e0 |
| humanhash: | sink-oscar-bulldog-kilo |
| File name: | file |
| Download: | download sample |
| Signature | GCleaner |
| File size: | 4'706'816 bytes |
| First seen: | 2025-03-26 13:04:36 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer) |
| ssdeep | 98304:3+ksGWRgFen9yWmX7nPFmfNSgLcYZAgrCQPAXW:3eRgFenJ2790NS0TZAgrC |
| TLSH | T1962633B5FBD34939D6E9027757E3210B0B36D099C280CA7F7DC2C69A995F5B18B021E2 |
| TrID | 35.7% (.EXE) Win32 Executable (generic) (4504/4/1) 16.4% (.EXE) Win16/32 Executable Delphi generic (2072/23) 16.0% (.EXE) OS/2 Executable (generic) (2029/13) 15.8% (.EXE) Generic Win/DOS Executable (2002/3) 15.8% (.EXE) DOS Executable Generic (2000/1) |
| Magika | pebin |
| dhash icon | e0f8fafbc3f3f8d8 (41 x GCleaner, 3 x Amadey, 1 x Rhadamanthys) |
| Reporter |  jstrosch |
| Tags: | exe gcleaner |
Intelligence
File Origin
# of uploads :
1
# of downloads :
421
Origin country :
CAVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2025-03-26 13:25:07 UTC
Tags:
gcleaner loader auto generic
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Verdict:
Malicious
Score:
97.4%
Tags:
vmdetect cobalt emotet
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
anti-vm borland_delphi packed packed packer_detected
Verdict:
Malicious
Labled as:
Zusy.Generic
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Suspicious
Result
Threat name:
CryptOne
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses process hollowing technique
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Writes to foreign memory regions
Yara detected CryptOne packer
Behaviour
Behavior Graph:
Score:
99%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Gcleaner
Status:
Malicious
First seen:
2025-03-26 13:05:34 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
17 of 24 (70.83%)
Threat level:
5/5
Detection(s):
Suspicious file
Result
Malware family:
gcleaner
Score:
10/10
Tags:
family:gcleaner defense_evasion discovery loader
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
Loads dropped DLL
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
GCleaner
Gcleaner family
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
55d622cdf058f4f73000f9293e21eabd5beded2a79a99d277b03772389728325
MD5 hash:
09d88c96027df7b216973c433becb5e0
SHA1 hash:
0029a1675267ebf8091b851d9cc5ff77cde67abd
SH256 hash:
803eeab88b65672444f516480c5a0ae6fc0c5ac46b83cd65ded42eb8893d384f
MD5 hash:
983d429563f171f844ffafab52bb9781
SHA1 hash:
18f57816ee23ecac88b71750e5eb9ca2fff5af9a
Detections:
GCleaner
Malware family:
GCleaner
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | Borland |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | PE_Digital_Certificate |
|---|---|
| Author: | albertzsigovits |
| Rule name: | Sus_Obf_Enc_Spoof_Hide_PE |
|---|---|
| Author: | XiAnzheng |
| Description: | Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP) |
| Rule name: | vmdetect |
|---|---|
| Author: | nex |
| Description: | Possibly employs anti-virtualization techniques |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
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