MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b. 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 6 File information Comments

SHA256 hash: 852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b
SHA3-384 hash: 1b0a18e677f6eda5e1a9cb70e66232ed30089153290e9e33d78fe984efdabf663ad6dc56f7f06bc975f86a497ba20fbd
SHA1 hash: 2d61f91e83f9df37a715ce3109e42bd49185c917
MD5 hash: 13a595ded524800f38b3ca5bd464ba8d
humanhash: white-connecticut-kilo-one
File name:13a595ded524800f38b3ca5bd464ba8d.exe
Download: download sample
Signature GCleaner
File size:301'056 bytes
First seen:2024-09-25 05:45:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f5c87d796889e88604948d41c98c5353 (1 x GCleaner, 1 x Tofsee)
ssdeep 6144:jbVyfXc9rZnPTFAgOOf7jjV7THzcdnKHfhRfFE/Q:jcXurZn+gfx7THIdK/hRfW/
Threatray 26 similar samples on MalwareBazaar
TLSH T108546B0262F0E863EE6B873D5E29C3A4FA6EBC519F35226D21647E1F4C731A1875231D
TrID 52.5% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
17.7% (.EXE) Win64 Executable (generic) (10523/12/4)
8.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.5% (.EXE) Win32 Executable (generic) (4504/4/1)
3.4% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
File icon (PE):PE icon
dhash icon 12716d4cf4c4d4d4 (2 x Smoke Loader, 1 x Amadey, 1 x GCleaner)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
392
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
13a595ded524800f38b3ca5bd464ba8d.exe
Verdict:
Malicious activity
Analysis date:
2024-09-25 05:51:18 UTC
Tags:
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:
Execution Infostealer Network Stealth Variant Exploit Cobalt Tori Sage
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
GCleaner
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected GCleaner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1517809 Sample: 4cxqNGB7N2.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 24 Found malware configuration 2->24 26 Malicious sample detected (through community Yara rule) 2->26 28 Antivirus detection for URL or domain 2->28 30 6 other signatures 2->30 7 4cxqNGB7N2.exe 25 2->7         started        process3 dnsIp4 22 80.66.75.114, 49705, 80 RISS-ASRU Russian Federation 7->22 32 Detected unpacking (changes PE section rights) 7->32 34 Detected unpacking (overwrites its own PE header) 7->34 11 WerFault.exe 19 16 7->11         started        14 cmd.exe 1 7->14         started        signatures5 process6 file7 20 C:\ProgramData\Microsoft\...\Report.wer, Unicode 11->20 dropped 16 taskkill.exe 1 14->16         started        18 conhost.exe 14->18         started        process8
Threat name:
Win32.Ransomware.GandCrab
Status:
Malicious
First seen:
2024-09-08 14:07:35 UTC
File Type:
PE (Exe)
Extracted files:
63
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
System Location Discovery: System Language Discovery
Checks computer location settings
Deletes itself
GCleaner
Malware Config
C2 Extraction:
80.66.75.114
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
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:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:pe_detect_tls_callbacks

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GCleaner

Executable exe 852e2bb74ff593ea00e70f62ba7639533e104e2df02e53b13cf61133f942fc0b

(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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoA
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::FillConsoleOutputCharacterW
KERNEL32.dll::WriteConsoleOutputW
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleMode
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileExW
KERNEL32.dll::CopyFileA
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
KERNEL32.dll::QueryDosDeviceW

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