MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ef062ea056c43cd03ae7eb61d1602300b8c42526fce51607b91dce8327e8750. 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: 15


Intelligence 15 IOCs YARA 4 File information Comments

SHA256 hash: 1ef062ea056c43cd03ae7eb61d1602300b8c42526fce51607b91dce8327e8750
SHA3-384 hash: 74b04ea58cc1a0ad008e15cc4cfa09026a136d7efe08086fd6cabfa2ea60444eb543e622307c3336730d2daab2168d0a
SHA1 hash: 000d840e4ad6e781e496300651506969648405c7
MD5 hash: 529e8819791f86f0b5455463897a471a
humanhash: maine-helium-april-finch
File name:random.exe
Download: download sample
Signature GCleaner
File size:5'090'304 bytes
First seen:2025-04-29 06:30:59 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:UFCElO2u5oEV8BT6MX0fK+HhX1RT6asEkouKBo2PaI3Vs9:gCNQGhfbHxnkEpr
TLSH T19336338EA54E5DA7D8AD1A3054C6A67581205F0CEF4F1B9BCD52357AF3A32807223C9F
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 :
423
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-04-29 07:45:17 UTC
Tags:
delphi themida 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:
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
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:
anti-vm 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
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.Infostealer.Tinba
Status:
Malicious
First seen:
2025-04-29 01:27:10 UTC
File Type:
PE (Exe)
Extracted files:
27
AV detection:
18 of 24 (75.00%)
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:
1ef062ea056c43cd03ae7eb61d1602300b8c42526fce51607b91dce8327e8750
MD5 hash:
529e8819791f86f0b5455463897a471a
SHA1 hash:
000d840e4ad6e781e496300651506969648405c7
SH256 hash:
cfeb4380d8f49a7fcde22f2e5c7b3eb8cf3be4cba2c80355837ac9a6d81941fe
MD5 hash:
d39eb44c9a47bce1baa341d08ed99382
SHA1 hash:
745482213b08a5310aa7e3113f2ec8b80512fb21
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 1ef062ea056c43cd03ae7eb61d1602300b8c42526fce51607b91dce8327e8750

(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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