MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 057bc6aa5c711c61ee55131bc51c407e48f3ed1c848b928ac734c6996d5b9a81. 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: 057bc6aa5c711c61ee55131bc51c407e48f3ed1c848b928ac734c6996d5b9a81
SHA3-384 hash: 39e6cc538d9d0825e52e412eec32f8359059e313aa69ac27bd149de1230b7366a43ff07a9da8c213cb17892b1c18d1f9
SHA1 hash: 1ad2e82571f93122ba42f11af1d101c5dde354c2
MD5 hash: 7e8b5cb77c499268727e75d2abcb53c1
humanhash: fanta-glucose-high-maine
File name:random.exe
Download: download sample
Signature GCleaner
File size:4'606'464 bytes
First seen:2025-04-02 09:00:38 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:iMHRlVDxTuyJ30+WRgPnBKajf6dlhUOcnxz65pFOB:lxlddPxBfihUbg5POB
TLSH T1D926337A1FC1426BE04E1FB2A9B5A731A4750D6519F6F3BAB6107C3C1079295E283B0F
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 abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
32
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
random.exe
Verdict:
Malicious activity
Analysis date:
2025-04-02 09:08:24 UTC
Tags:
gcleaner loader auto generic amadey inno installer lumma stealer botnet delphi credentialflusher rust

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
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
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.Tepfer
Status:
Malicious
First seen:
2025-04-02 09:01:21 UTC
File Type:
PE (Exe)
Extracted files:
31
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
Unpacked files
SH256 hash:
057bc6aa5c711c61ee55131bc51c407e48f3ed1c848b928ac734c6996d5b9a81
MD5 hash:
7e8b5cb77c499268727e75d2abcb53c1
SHA1 hash:
1ad2e82571f93122ba42f11af1d101c5dde354c2
SH256 hash:
c11fc3fad7a5a2ff629bddec049136796356f1a15d4198003161f6b78ebe968d
MD5 hash:
e5c612356ecc539131930150a356589f
SHA1 hash:
4a9cc5aa7407d6b2c15184290c1a1a59fc75519c
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 057bc6aa5c711c61ee55131bc51c407e48f3ed1c848b928ac734c6996d5b9a81

(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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