MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fbb7dec85ad590c69445d8719e700f33e02c9b32c25f6c01e53ab2650a9497e8. 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: fbb7dec85ad590c69445d8719e700f33e02c9b32c25f6c01e53ab2650a9497e8
SHA3-384 hash: 5fb794a31c1b3cb87bfff6270818605a58e0b8039364f6407f60b91441c689e633dc8e8ace72021f1c86715b007e6ab4
SHA1 hash: b35c16659cdd600d0b793e5398146b332f617daa
MD5 hash: 4611651be8dedf323d8ce8a179e9b0ad
humanhash: march-oxygen-muppet-utah
File name:random.exe
Download: download sample
Signature GCleaner
File size:4'610'048 bytes
First seen:2025-04-25 08:51:24 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:YRebuv1V5vdSCu6NxnX+40MKGGmkaqf9GSX5EF7WzEf:YSetYCu6NxuJdmkaq4k6ozg
TLSH T1D8263395CF36C7E2FB84E072A77F133573E6F08111D81887E69D87AD590F9AE16120A2
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 :
437
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
2025-04-24_5aba433b9b2a40f6bf00b4ac8b0b3889_agent-tesla_black-basta_cobalt-strike_darkgate_elex_luca-stealer
Verdict:
Malicious activity
Analysis date:
2025-04-24 19:47:32 UTC
Tags:
loader amadey botnet stealer auto-sch rdp telegram lumma auto-reg credentialflusher putty rmm-tool phishing auto generic evasion uac gcleaner pastebin blankgrabber themida

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
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:
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
Antivirus detection for URL or domain
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 dropped file
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.Trojan.Kepavll
Status:
Malicious
First seen:
2025-04-24 23:26:15 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
20 of 24 (83.33%)
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:
185.156.73.98
45.91.200.135
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
dcb7b17fe004db5c46c85072931a6207b565966948587caabc583bc5db99a02d
MD5 hash:
1bb5fed4415d0b16bb762af5c71196d5
SHA1 hash:
78783bca98b82bd12b22e76b2344650526fafebc
Detections:
GCleaner
SH256 hash:
fbb7dec85ad590c69445d8719e700f33e02c9b32c25f6c01e53ab2650a9497e8
MD5 hash:
4611651be8dedf323d8ce8a179e9b0ad
SHA1 hash:
b35c16659cdd600d0b793e5398146b332f617daa
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 fbb7dec85ad590c69445d8719e700f33e02c9b32c25f6c01e53ab2650a9497e8

(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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