MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b13c7a88a3b2f9572777eb527aaf195a0e484649cb2c35a93efe3937fa136e5c. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b13c7a88a3b2f9572777eb527aaf195a0e484649cb2c35a93efe3937fa136e5c
SHA3-384 hash: 76e71f81cf5ddd4a4fd3af4af0909bd99023a6408e14406e1bae5cdcba1bb545b65151578e00baa4728d945e3dd61260
SHA1 hash: 342cf7708dcd67c03d3d5c6aff476f39c59b6942
MD5 hash: 2cbd722b0c4f9d89231cc6299c1fd8bb
humanhash: saturn-magazine-delta-beryllium
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'414'641 bytes
First seen:2023-06-15 10:33:50 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80417b621299e3e1de617305557a3c68 (48 x GCleaner, 44 x Backdoor.TeamViewer, 31 x Socks5Systemz)
ssdeep 49152:46d78iUirsCxm8SF1Ilb7GsHDhnNq4DKPKLo9Lw6NnwDOZ:Xd78zksCxObIlHGsHlnNqiK6o9Lw6+D8
Threatray 18 similar samples on MalwareBazaar
TLSH T1A8B53393C684B870F863EBB82836D9216F2B3F7759BD40093A8E35591FB71E21857607
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 01f8c0e8e8bcfc00 (25 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
1
# of downloads :
288
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-15 10:36:24 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/c1f93985-227e-4d19-9c48-0a5838fe57e0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/399106/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader25.56768.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/90854/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/648ae91c40b26d42ee55b23e/reports/2ab8ae55-01c7-4299-ac03-7c975063a20c/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332256
Link:
https://www.hybrid-analysis.com/sample/b13c7a88a3b2f9572777eb527aaf195a0e484649cb2c35a93efe3937fa136e5c
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/7d782d83-1d8c-4ac5-adec-4e2b337f4577
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1255220
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
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 dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 888240 Sample: file.exe Startdate: 15/06/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 8 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-VID4Q.tmp, PE32 10->31 dropped 13 is-VID4Q.tmp 10 24 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec615.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49692, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49693, 80 CMCSUS Germany 16->43 45 2 other IPs or domains 16->45 29 C:\Users\user\AppData\...\yPBNYnSRpt.exe, PE32 16->29 dropped 20 yPBNYnSRpt.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b13c7a88a3b2f9572777eb527aaf195a0e484649cb2c35a93efe3937fa136e5c/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-06-15 10:34:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=we6hvcfdwl4voj3x5njhvlyzliheqrsjzmwdlkj67y4tp6qtnzoa._file
Verdict:
malicious
Similar samples:
148b786875a522315116536e6cb4c3564e7e631c44f401a2ac51ac4ee45ded1d
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44d1cc17f18fe0cc939e3283f69f5271d50e4e5bfb3987f34ff2eefab271fd86
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7b4daf50ce63113ae3c210306e044965265e4774b639539968978ccdcaa992c5
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9bd63ebc98e80be154e87035bbe6675b6ea1a720d3465173802b26d521efa15e
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c3c372d8f8bb81cf47aa95b668db4ec994acb075a3f6c5b1d2ec04593dc05442
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d3b321e579b681f27358a5f6d07bd2f3fa39b10a33ad78f5cc53f22cf34c3e1b
GCleaner
+ 8 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230615-ml4dqaga2z/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
GCleaner
Malware Config
C2 Extraction:
45.12.253.56
45.12.253.72
45.12.253.98
45.12.253.75
Gathering data
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/b13c7a88a3b2f9572777eb527aaf195a0e484649cb2c35a93efe3937fa136e5c

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:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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.

  
Dropped by
PrivateLoader
  
Delivery method
Distributed via drive-by
Cape
Cape
https://www.capesandbox.com/analysis/399106/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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