MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3ffdada986edc6412a966b49b35d63b38d836252f77c4c6488b3b564653f3af7. 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: 14


Intelligence 14 IOCs YARA 7 File information Comments 1

SHA256 hash: 3ffdada986edc6412a966b49b35d63b38d836252f77c4c6488b3b564653f3af7
SHA3-384 hash: 51323439dd105dce14315fcebef2ffe43f2794c976afffec72419b0cb5b213a9123edb63e913ddb249c2a360c06618ed
SHA1 hash: d45fc4a83fcd2a1fec421d55635d51bf02646d37
MD5 hash: 5ef4cf46165c932ee117830e7cd38ccf
humanhash: colorado-nuts-nitrogen-louisiana
File name:5ef4cf46165c932ee117830e7cd38ccf
Download: download sample
Signature GCleaner
File size:265'728 bytes
First seen:2024-03-29 10:15:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 257369aa226cb4b09879eb1a5063d4d0 (2 x LummaStealer, 1 x GCleaner)
ssdeep 6144:crMgT9iXeD45U2VHSmAuLfNqeo7FGN1MFlsWY:QT9iXg45UAHJjNqeWFLc
TLSH T16044D0D177E0C873D567163168B887A20A7A7D326A70C98B3758EB7E5EB03D04A36713
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 3370ecdaccf0335a (3 x Stealc, 2 x GCleaner, 1 x LummaStealer)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
371
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
3ffdada986edc6412a966b49b35d63b38d836252f77c4c6488b3b564653f3af7.exe
Verdict:
Malicious activity
Analysis date:
2024-03-29 10:18:58 UTC
Tags:
gcleaner loader opendir lumma stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Sending an HTTP GET request to an infection source
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for the window
Launching a process
Moving a file to the Program Files subdirectory
Replacing files
Connection attempt to an infection source
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint
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
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected GCleaner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1417461 Sample: 7GXKafhbnD.exe Startdate: 29/03/2024 Architecture: WINDOWS Score: 100 25 Snort IDS alert for network traffic 2->25 27 Multi AV Scanner detection for domain / URL 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 5 other signatures 2->31 7 7GXKafhbnD.exe 14 2->7         started        process3 dnsIp4 23 185.172.128.90, 49730, 80 NADYMSS-ASRU Russian Federation 7->23 33 Detected unpacking (changes PE section rights) 7->33 35 Detected unpacking (overwrites its own PE header) 7->35 11 cmd.exe 7->11         started        13 WerFault.exe 16 7->13         started        15 WerFault.exe 16 7->15         started        17 7 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 taskkill.exe 11->21         started       
Threat name:
Win32.Trojan.LummaStealer
Status:
Malicious
First seen:
2024-03-29 10:16:06 UTC
File Type:
PE (Exe)
Extracted files:
19
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner loader
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Checks computer location settings
Deletes itself
GCleaner
Malware Config
C2 Extraction:
185.172.128.90
5.42.65.115
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:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Generic_Threat_97c1a260
Author:Elastic Security
Rule name:Windows_Trojan_Generic_2993e5a5
Author:Elastic Security

File information


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

Web download

GCleaner

Executable exe 3ffdada986edc6412a966b49b35d63b38d836252f77c4c6488b3b564653f3af7

(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
WINHTTP.dll::WinHttpCloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::FindNextVolumeMountPointW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::ReadConsoleOutputA
KERNEL32.dll::SetConsoleDisplayMode
KERNEL32.dll::SetConsoleTitleA
KERNEL32.dll::SetConsoleTitleW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetFileAttributesA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpAddRequestHeaders
WIN_TIME_APICan Modify TimeKERNEL32.dll::SetSystemTime

Comments



Avatar
zbet commented on 2024-03-29 10:15:44 UTC

url : hxxp://5.42.65.115/batushka/inte.exe