MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e4b0809ba8de83a691fbc8dbd320ed38c95994ccc38ea26e04f4fe2c231b6f28. 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 5 File information Comments

SHA256 hash: e4b0809ba8de83a691fbc8dbd320ed38c95994ccc38ea26e04f4fe2c231b6f28
SHA3-384 hash: e524461ddf7c1000973a2d5a9719e6e9c9b6253bb90b3ab4aa62d0fa187b2b138b004f409900a19e5af79f65da4d572d
SHA1 hash: 9b0cdab001e7f50cfecdfc0d3b05bd5b4c911f4e
MD5 hash: b32a95f24db35d980496f706ca825ca4
humanhash: burger-hotel-floor-high
File name:b32a95f24db35d980496f706ca825ca4.exe
Download: download sample
Signature GCleaner
File size:4'395'008 bytes
First seen:2025-05-04 17:32:31 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 98304:6lpzSIGSljbVFTMPeMKye19MIjBlVS+pmnysKF6:6lpzSIP119MElVS+pJ
TLSH T163163311E68C43FFDCB0527BF177E2262ECE2A192056E339A5D21376574D489CEFA880
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
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
399
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
2025-05-04_79ad5e30bd7c65b553325bdc5f386a90_agent-tesla_black-basta_cobalt-strike_darkgate_elex_luca-stealer
Verdict:
Malicious activity
Analysis date:
2025-05-04 03:12:41 UTC
Tags:
auto-sch loader amadey botnet stealer lumma rdp auto-reg telegram stegocampaign payload ta558 apt reverseloader themida github arch-exec credentialflusher phishing putty rmm-tool auto generic gcleaner

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
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
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
borland_delphi packed packed packer_detected redcap
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
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Potentially malicious time measurement code found
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:
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2025-05-04 05:17:46 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
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
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
GCleaner
Gcleaner family
Malware Config
C2 Extraction:
45.91.200.135
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
e4b0809ba8de83a691fbc8dbd320ed38c95994ccc38ea26e04f4fe2c231b6f28
MD5 hash:
b32a95f24db35d980496f706ca825ca4
SHA1 hash:
9b0cdab001e7f50cfecdfc0d3b05bd5b4c911f4e
SH256 hash:
85032dba8bc7bc6e4566a9276c4fbfd8dfed2df870b2969b2dd7701bf31d1f10
MD5 hash:
cde26258e9ccf3d95f315cc5c8f22b37
SHA1 hash:
3edbe6766bbbc68b2713aa85a247ec6e1f9d5988
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:Borland
Author:malware-lu
Rule name:pe_detect_tls_callbacks
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

GCleaner

Executable exe e4b0809ba8de83a691fbc8dbd320ed38c95994ccc38ea26e04f4fe2c231b6f28

(this sample)

  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

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