MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 40a90620b086327cda0068f45833040882f11215982c3b322941469db8db6ffd. 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 4 File information Comments

SHA256 hash: 40a90620b086327cda0068f45833040882f11215982c3b322941469db8db6ffd
SHA3-384 hash: acb322852e1b9946de39988cce1f45e0abeebf0d92d486452c077d9726d57cb2c38015f2b63ba6a66200ea345e2c416e
SHA1 hash: 8fe46ce16471f174146ea167439931842f74edab
MD5 hash: 93988a266735b8bf92ec7fd0d1158311
humanhash: quiet-carolina-sixteen-fanta
File name:random.exe
Download: download sample
Signature GCleaner
File size:5'103'616 bytes
First seen:2025-04-27 09:00:11 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 98304:5AITgayJmjtDW18k6lYxkKvKNSN6FyzSarkWLxb/4turLQtSlo8759:5ByJgNDPCNqyzSikW9bM6xos
TLSH T11236336EB50F6D90D4E841B485F7EAB32230BE42DEAF4C16DC457216FCB35D0AA6285C
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 33b2cd4d17174db2 (25 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
440
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-04-27 07:57:22 UTC
Tags:
lumma stealer themida loader amadey botnet telegram auto-reg rdp credentialflusher auto-sch putty rmm-tool phishing redline metastealer miner github auto generic gcleaner stealc vidar autoit

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
Сreating synchronization primitives
Searching for analyzing tools
Searching for the window
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:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
borland_delphi entropy packed packed packer_detected rat virtual
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
Writes to foreign memory regions
Yara detected CryptOne packer
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.Amadey
Status:
Malicious
First seen:
2025-04-27 09:00:31 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
17 of 24 (70.83%)
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:
40a90620b086327cda0068f45833040882f11215982c3b322941469db8db6ffd
MD5 hash:
93988a266735b8bf92ec7fd0d1158311
SHA1 hash:
8fe46ce16471f174146ea167439931842f74edab
SH256 hash:
9b1fb7191ab66cd53af6a45a766afef4e62023eaf992136590db3a62d885c169
MD5 hash:
b8fdf80cf7e104d46378e6dd01971e57
SHA1 hash:
92381dc4d7ee33126e2ce3ac68c59148224c094e
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 40a90620b086327cda0068f45833040882f11215982c3b322941469db8db6ffd

(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

Comments