MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8dfa5976b6d62611242f6a792f460ae72e60ebfb9774ad81066c7ea2a153b61a. 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: 8dfa5976b6d62611242f6a792f460ae72e60ebfb9774ad81066c7ea2a153b61a
SHA3-384 hash: 538dd98c72d0f5741f70150dd0e2d6b5d351ccbfeab1503881aa36b5fb79af4c673ebdbf2e6d0dad80e42fa05c59f00b
SHA1 hash: e8983318d60a01d1add80e119bc25b09c79b0803
MD5 hash: c406ae2d0bf56bfc7fc309c4ed563f6b
humanhash: avocado-nineteen-monkey-uranus
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'276'438 bytes
First seen:2023-07-12 05:37:01 UTC
Last seen:2023-07-12 06:43:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:SfOym3/9W7VSj1GgaZz7CDdMVuQkJ1ne8c8AwPqMxv+3Hdl2vSBreuS2w02VnKU:SGllV1naZzuM/kJ1nCRM03FeuZknn
Threatray 3'555 similar samples on MalwareBazaar
TLSH T16445337B9D80E9BDF04284B96E0BE283C9B7FE263D3C3A70756C295E6E26151DC54312
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 84c160b0d670b044 (28 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 :
2
# of downloads :
287
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-07-12 05:38:19 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/6eeabb51-13c8-4488-ba45-4b805582b469

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/416199/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Launching a process
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/97202/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control greyware installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64ae3c0357d1eb6a904f1bff/reports/ec8b3f35-897d-44fb-855d-a48c8402dec7/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/8dfa5976b6d62611242f6a792f460ae72e60ebfb9774ad81066c7ea2a153b61a
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:
RedLine stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/edef15df-0145-453e-b20d-13d762d865ad
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1271401
Signature
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1271401 Sample: file.exe Startdate: 12/07/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.98 CMCSUS Germany 2->42 46 Found malware configuration 2->46 48 Antivirus detection for URL or domain 2->48 50 Antivirus detection for dropped file 2->50 52 5 other signatures 2->52 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-NSC17.tmp, PE32 9->30 dropped 12 is-NSC17.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 ReuSpacer712.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 44 45.12.253.56, 80 CMCSUS Germany 15->44 28 C:\Users\user\AppData\...\wbeLRmFU.exe, PE32 15->28 dropped 21 wbeLRmFU.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 54 Multi AV Scanner detection for dropped file 21->54
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8dfa5976b6d62611242f6a792f460ae72e60ebfb9774ad81066c7ea2a153b61a/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-07-12 05:38:05 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rx5fs5vw2ytbcjbpnj4s6rqk44xgb273s52k3aignr7kfiktwyna._file
Verdict:
malicious
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474e293e9c25fdccd36c77f62b4b234fc97d8f1122dcbe78494f5482b6675f44
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58d57f768804a9c0594a2f9a2db379788d41fbeaca4936a1fe6a0f8986265a77
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GCleaner
+ 3'545 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230712-ga5vhsca28/
Behaviour
Kills process with taskkill
Runs net.exe
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
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
Unpacked files
SH256 hash:
053e41b233aea344920256765e10277a8b97257e70684f7698427687c54603ca
MD5 hash:
932a564f9eeda1b35ee9478ec55164ae
SHA1 hash:
cc42ad06a615a685d3f6fab0ad3c6bc4707cee71
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/aa2edfdd-4f36-4343-b883-5fae7cc018ee/
SH256 hash:
a958713d7a58823a3dca3ab204c84c725d385a6075e3f8b1f05eee7ad93889b7
MD5 hash:
5665dc434810e056cfd5f74c8b79b833
SHA1 hash:
10de625dc40af22449c54c9f01bbb6a69fe51c33
Link:
https://www.unpac.me/results/aa2edfdd-4f36-4343-b883-5fae7cc018ee/
SH256 hash:
2fad7829ac2f9f9ffd9a43d58142cd9436b666ac72ec36b73878b23c8e8a309c
MD5 hash:
a6e0862f63e5ce9aa26df4e6a802ab2f
SHA1 hash:
e946e2f64793f17bdfbf6d352d3d63a95b02f699
Link:
https://www.unpac.me/results/aa2edfdd-4f36-4343-b883-5fae7cc018ee/
SH256 hash:
a85836c8a63cb546e5c3dedd865725b62fdabf943e2a696b5d0b1052ae20f6a3
MD5 hash:
dd6211e93847aae38ebae3f4d624e3b1
SHA1 hash:
04a919056efa446116c0f9c8ba7034f22c7ac8aa
Link:
https://www.unpac.me/results/aa2edfdd-4f36-4343-b883-5fae7cc018ee/
SH256 hash:
8dfa5976b6d62611242f6a792f460ae72e60ebfb9774ad81066c7ea2a153b61a
MD5 hash:
c406ae2d0bf56bfc7fc309c4ed563f6b
SHA1 hash:
e8983318d60a01d1add80e119bc25b09c79b0803
Link:
https://www.unpac.me/results/aa2edfdd-4f36-4343-b883-5fae7cc018ee/
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: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/416199/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments