MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0. 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: b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0
SHA3-384 hash: 6c64fc1aafabae87108a55750c62deabc11e64316540c559809930f7689bd34ad572ee56202b5bf1e8d6190fce165f1c
SHA1 hash: 42931347a815bf7ef50ed85f25cb61fdcdcf8c9a
MD5 hash: 3c172997a189a334122f458749120992
humanhash: fanta-finch-hot-indigo
File name:3c172997a189a334122f458749120992
Download: download sample
Signature GCleaner
Create hunting rule
File size:286'720 bytes
First seen:2024-05-16 19:18:03 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 6a21032514c5a6eb57fe18823be44730 (4 x GCleaner, 2 x Stealc)
ssdeep 3072:goRn4wi/nCTr6S+xFq6ncJSw1nLYyY9DdhBHCIPuVjMVQwWqXzykaacxAukL2/Uz:ga71S3dhBi0uVj2VpMaclkcPxjRnCw
TLSH T17954DF1276E0D476E5B3037248748A91077FFD36AE75AA573798235F6E342E08E22363
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 00ecccd2c468b142 (1 x GCleaner)
Reporter zbetcheckin
Tags:32 exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
417
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0.exe
Verdict:
Malicious activity
Analysis date:
2024-05-16 19:20:04 UTC
Tags:
gcleaner loader
Link:
https://app.any.run/tasks/7ca3f10d-8aa1-45c6-9090-2ce961d5a9eb

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)
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
packed
Link:
https://www.filescan.io/uploads/66465c3b4a6f56bc5c8f75b5/reports/ceba3595-6e40-4ef9-832c-d01b7c8bb7ff/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0
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/4c9c805a-f059-4202-8381-895c4033ff23
Result
Threat name:
GCleaner, Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1442949
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)
Yara detected GCleaner
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1442949 Sample: ol7qOGK6Of.exe Startdate: 16/05/2024 Architecture: WINDOWS Score: 100 25 Found malware configuration 2->25 27 Malicious sample detected (through community Yara rule) 2->27 29 Antivirus detection for URL or domain 2->29 31 5 other signatures 2->31 7 ol7qOGK6Of.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 9 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/b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0/
Threat name:
Win32.Trojan.Operaloader
Create hunting rule
Status:
Malicious
First seen:
2024-05-16 19:19:04 UTC
File Type:
PE (Exe)
Extracted files:
18
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wc3adxwdjngv567wbxdcj5zsmj3ap5yc7bb2pru7d5fzo6x2ndia._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner loader
Link:
https://tria.ge/reports/240516-x1g45scb47/
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/f6b91318-fc2a-4c05-830f-03149c2b0988/
Parent samples :
6f487c7bc1d98eef7c2fda7f1b38f1c199df9308634ecfc9543497cf0f5d3ea6
8323be0d9da32e6a724ab5f04e7145d10967bf9a7318dd18af1f18251da8d8f5
b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0
0e1b23c1a2b3a9ddb5b89ae0485d94f9ec725bf007e6a86f83e8f58d8d8d82fe
SH256 hash:
b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0
MD5 hash:
3c172997a189a334122f458749120992
SHA1 hash:
42931347a815bf7ef50ed85f25cb61fdcdcf8c9a
Link:
https://www.unpac.me/results/f6b91318-fc2a-4c05-830f-03149c2b0988/
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/b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0

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 b0b601dec34b4d5efbf60dc624f732627607f702f843a7c69f1f4b977afa68d0

(this sample)

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

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 19:18:03 UTC

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