MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6. 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 6 File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6
SHA3-384 hash: 5231016269bd5508b8924dde4877881d559be5d0bfc265daf1d93a3b529fc5825fa7d3ce7a2ee549766991cbfb1e4412
SHA1 hash: 979ba7b632c71d38630ba39a8caeb4a679fc697f
MD5 hash: ed47fa9158e4cccda07bb4659da88d06
humanhash: happy-uncle-winner-west
File name:ed47fa9158e4cccda07bb4659da88d06
Download: download sample
Signature GCleaner
Create hunting rule
File size:287'232 bytes
First seen:2024-05-16 16:57:25 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6a21032514c5a6eb57fe18823be44730 (4 x GCleaner, 2 x Stealc)
ssdeep 6144:cP+a94On2taJfqn311On0d21IPzoNGFt94hjsAw:Ta94Lt3n311c1IPket9ws
TLSH T1CB54DF1173E1D071E5B3077698B48A854ABBFD361E34EA5B7394221E6D703E09F26723
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 b248c8a0dce97284 (1 x GCleaner)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
350
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 17:24:02 UTC
Tags:
gcleaner loader
Link:
https://app.any.run/tasks/d9845062-9c11-4a65-9998-5d0839920c79

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packer.pkr_ce1a-9980177-0
Create hunting rule

Gathering data
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
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
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66463b32bc04dffa921c2d38/reports/075e427c-de57-4b35-a96f-163266494ce1/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6
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.
Malware family:
STOP Ransomware
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/92f1438f-9203-4cc2-a308-46290bd5817b
Result
Threat name:
GCleaner, Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442873
Signature
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 16:08:13 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n5ehy66b3gho67bp3j7rwohrygm57eyimnhm7skugsl46d25h2ta._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner loader
Link:
https://tria.ge/reports/240516-vgtmqaef55/
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
5.42.64.56
5.42.65.64
Unpacked files
SH256 hash:
07e73a4ead14b38fb211587aefd4c3e8a07346b4089792fc7be85ce17b0b2bbc
MD5 hash:
a63a5901f0e0421f3f15e482182b02df
SHA1 hash:
ee4daed64a7504edc3ea203e11be8c19d4f3af12
Detections:
GCleaner
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/e04542c4-1139-4633-97bf-4a3401b89ffc/
Parent samples :
6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6
8323be0d9da32e6a724ab5f04e7145d10967bf9a7318dd18af1f18251da8d8f5
b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0
0e1b23c1a2b3a9ddb5b89ae0485d94f9ec725bf007e6a86f83e8f58d8d8d82fe
SH256 hash:
6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6
MD5 hash:
ed47fa9158e4cccda07bb4659da88d06
SHA1 hash:
979ba7b632c71d38630ba39a8caeb4a679fc697f
Link:
https://www.unpac.me/results/e04542c4-1139-4633-97bf-4a3401b89ffc/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6

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:Check_OutputDebugStringA_iat
Create hunting rule
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:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Trojan_Generic_2993e5a5
Create hunting rule
Author:Elastic Security
Rule name:win_gcleaner_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.gcleaner.

File information

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

Web download

GCleaner

Executable exe 6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2850340/
  
URLhaus
https://urlhaus.abuse.ch/url/2850449/
  
URLhaus
https://urlhaus.abuse.ch/url/2850450/
  
URLhaus
https://urlhaus.abuse.ch/url/2850338/
  
URLhaus
https://urlhaus.abuse.ch/url/2850334/
  
URLhaus
https://urlhaus.abuse.ch/url/2850421/
  
URLhaus
https://urlhaus.abuse.ch/url/2850419/
  
URLhaus
https://urlhaus.abuse.ch/url/2850423/
  
URLhaus
https://urlhaus.abuse.ch/url/2850390/
  
URLhaus
https://urlhaus.abuse.ch/url/2852418/

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::LoadLibraryA
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetVolumeInformationW
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::WriteConsoleA
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleAliasA
KERNEL32.dll::GetConsoleCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW
KERNEL32.dll::GetSystemDirectoryW
KERNEL32.dll::RemoveDirectoryA
WIN_BASE_USER_APIRetrieves Account InformationKERNEL32.dll::GetComputerNameA

Comments


Avatar
zbet commented on 2024-05-16 16:57:26 UTC

url : hxxp://5.42.67.23/dl.php?pub=mixten/