MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 037a46151276b43c63d80cff902a606130b50c73cd0f381fb7b9054f8d84f983. 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: 13


Intelligence 13 IOCs YARA 6 File information Comments 1

SHA256 hash: 037a46151276b43c63d80cff902a606130b50c73cd0f381fb7b9054f8d84f983
SHA3-384 hash: 6a5092909802058a7ef48442a55dfdd702e3134b28a38c1088e11369c3e09a30fe0a49a062f0e3a926845242f41cc17d
SHA1 hash: 5d708f99a19b17ca22b3608ce466cf2b31f959c9
MD5 hash: ab219714aaa703fdaedbf1e182b01e31
humanhash: single-whiskey-carbon-earth
File name:ab219714aaa703fdaedbf1e182b01e31
Download: download sample
Signature GCleaner
File size:351'232 bytes
First seen:2024-04-19 19:47:58 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1b517c310255d9baac75ce2b904c6b40 (1 x GCleaner, 1 x Stealc)
ssdeep 3072:Os8EUnrCnkBszWjg3Jo6KJY+T+r0BSX3dYlCuyLwFhzBEOmGuzZSY2newRKio7Mv:q7r/Wo6v+T8TBoTNFmGucY2new27Lgr
TLSH T16274AF0276E1E8B0E57347324EADDAE4263EFD718F562B2B33585E0F05B0191E662763
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 0c18101860c08000 (1 x GCleaner)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence


File Origin
# of uploads :
1
# of downloads :
324
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
037a46151276b43c63d80cff902a606130b50c73cd0f381fb7b9054f8d84f983.exe
Verdict:
Malicious activity
Analysis date:
2024-04-19 19:50:51 UTC
Tags:
gcleaner loader

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
Connection attempt to an infection source
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
fingerprint packed
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
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
Snort IDS alert for network traffic
Yara detected GCleaner
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1428940 Sample: 2TjpEuyd2z.exe Startdate: 19/04/2024 Architecture: WINDOWS Score: 100 25 Snort IDS alert for network traffic 2->25 27 Found malware configuration 2->27 29 Malicious sample detected (through community Yara rule) 2->29 31 5 other signatures 2->31 7 2TjpEuyd2z.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 6 other processes 7->17 signatures5 process6 process7 19 conhost.exe 11->19         started        21 taskkill.exe 11->21         started       
Threat name:
Win32.Trojan.Gcleaner
Status:
Malicious
First seen:
2024-04-19 19:48:06 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
20 of 24 (83.33%)
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
5.42.65.64
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: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:EXE_Stealer_StealC_Feb2024
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
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 037a46151276b43c63d80cff902a606130b50c73cd0f381fb7b9054f8d84f983

(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::CreateRemoteThread
KERNEL32.dll::CloseHandle
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryA
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleOutputAttribute
KERNEL32.dll::ReadConsoleInputA
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileA
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryA
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect

Comments



Avatar
zbet commented on 2024-04-19 19:47:59 UTC

url : hxxp://5.42.65.64/batushka/inte.exe