MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294
SHA3-384 hash: c7d1f5c5b5812f020318e7bb08819395e7650e3f2d41753b923964f3863c403cb96cc936fe4e3735399061a696313b81
SHA1 hash: ef6649b4b64b34275867f3d05c8f9dc90294eff5
MD5 hash: 650b408fbd0854f646a6c3d49431e814
humanhash: fifteen-friend-indigo-aspen
File name:650b408fbd0854f646a6c3d49431e814
Download: download sample
Signature GCleaner
Create hunting rule
File size:358'400 bytes
First seen:2024-04-21 03:13:54 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash c6a29c2b2571c33a0a23fd650053529b (2 x GCleaner, 1 x LummaStealer)
ssdeep 3072:MbYo40LRGWOn9+oZMzYtVBvBn8rObGnmdVM2OTqbDwF+/kT8ADFrQiYZCXxgpG:MFNp893VVBn8aBs2BP00ylqiYZC
TLSH T192744A03B3E17D98E9264B329E2EC6F8761DFA518E097B66321D9F1F06B50B2C163711
TrID 37.3% (.EXE) Win64 Executable (generic) (10523/12/4)
17.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
15.9% (.EXE) Win32 Executable (generic) (4504/4/1)
7.3% (.ICL) Windows Icons Library (generic) (2059/9)
7.2% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 0206060b0d182000 (1 x GCleaner)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
337
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294.exe
Verdict:
Malicious activity
Analysis date:
2024-04-21 03:16:01 UTC
Tags:
gcleaner loader
Link:
https://app.any.run/tasks/d8e7cf1f-c2ca-4795-bf70-2c839a63535b

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
Launching a tool to kill processes
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/6624847a14ba3ce82897bf15/reports/100ea793-7e24-4da9-ab5a-50a0fb9f56df/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c6bd4a92-bbe9-4a9c-9ff3-17dee38b2803
Result
Threat name:
GCleaner
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1429174
Signature
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 domain / URL
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected GCleaner
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1429174 Sample: ZSoy5xK5NG.exe Startdate: 21/04/2024 Architecture: WINDOWS Score: 100 25 Snort IDS alert for network traffic 2->25 27 Multi AV Scanner detection for domain / URL 2->27 29 Found malware configuration 2->29 31 5 other signatures 2->31 7 ZSoy5xK5NG.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       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294/
Threat name:
Win32.Trojan.Gcleaner
Create hunting rule
Status:
Malicious
First seen:
2024-04-21 03:14:05 UTC
File Type:
PE (Exe)
Extracted files:
66
AV detection:
30 of 38 (78.95%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=slfyjy76zvvsl65fxpyhpfn2dugeo7g3ks3bq4snqzrs3ewnikka._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner loader
Link:
https://tria.ge/reports/240421-drbffshe38/
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
Unpacked files
SH256 hash:
9c7b9e215019ee60b020594d925e16ba46891fe0c856031dd18f0261917af204
MD5 hash:
3f77b69c60f28f076bd02d531490b300
SHA1 hash:
b2070e496f5b062131c36c1a1ec99b243dada692
Detections:
GCleaner
Create hunting rule
Link:
https://www.unpac.me/results/32071048-3c6c-4e33-b0a3-3a11208cad39/
Parent samples :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 hash:
92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294
MD5 hash:
650b408fbd0854f646a6c3d49431e814
SHA1 hash:
ef6649b4b64b34275867f3d05c8f9dc90294eff5
Link:
https://www.unpac.me/results/32071048-3c6c-4e33-b0a3-3a11208cad39/
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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EXE_Stealer_StealC_Feb2024
Create hunting rule
Author:Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Generic_Threat_97c1a260
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
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 92cb84e3fecd6b25fba5bbf07795ba1d0c477cdb54b618724d86632d92cd4294

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2798218/
  
URLhaus
https://urlhaus.abuse.ch/url/2798339/

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::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationA
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AddConsoleAliasW
KERNEL32.dll::AddConsoleAliasA
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleInputW
KERNEL32.dll::SetStdHandle
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateHardLinkA
KERNEL32.dll::CreateFileW
KERNEL32.dll::GetWindowsDirectoryW
KERNEL32.dll::RemoveDirectoryW
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA
WIN_HTTP_APIUses HTTP servicesWINHTTP.dll::WinHttpConnect

Comments


Avatar
zbet commented on 2024-04-21 03:13:55 UTC

url : hxxp://5.42.65.64/download.php?pub=inte/