MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b4009efc574a48bc4942c328daea94ce3dc5dd6e0348ceae87c096267b9fe41. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b4009efc574a48bc4942c328daea94ce3dc5dd6e0348ceae87c096267b9fe41
SHA3-384 hash: 03680bb445b341fca10a7c15823bf97d65156cbd5e660eef668cb41266afca8061c833ff9c64a659fbb7b0e1aa2e7706
SHA1 hash: 3ad85d881f9d3e7d529fb7626b8a443e3a96d7b4
MD5 hash: 6bfb15f9b630506a56ae47c809c3a021
humanhash: georgia-mexico-apart-north
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'003'145 bytes
First seen:2023-02-16 19:15:22 UTC
Last seen:2023-02-16 20:13:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'460 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:97GsWzs8kSVT6dm7NpZ+B7Ag2B7n6SUFl++yQ7NTGdcuizou4iAeTeyTNBN3clIZ:xGsWzVkieskAn6N2SSRizG2TeyTNBNRt
TLSH T16ED52203B259C1EDE750DF73890F86A921672E69B4B0D06E314A7E1F35F628D111EF8A
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 12f0f4b26284e162 (24 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 :
13
# of downloads :
211
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-16 19:16:34 UTC
Tags:
installer
Link:
https://app.any.run/tasks/7678cb6c-2814-4a0c-aad1-e2847f48975e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/367363/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.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
Sending an HTTP GET request
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/70991/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ee80f3569ddf996a34a843/reports/2080c1f6-9c1f-4cab-ba37-50fec871d32c/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/6b4009efc574a48bc4942c328daea94ce3dc5dd6e0348ceae87c096267b9fe41
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4783239b-b3ff-471f-80ae-88a8ebf197a7
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1177262
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 810085 Sample: file.exe Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 4 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 14 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec216.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49703, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49704, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49705, 49706, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\Uv2LvCjM.exe, PE32 17->30 dropped 21 Uv2LvCjM.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b4009efc574a48bc4942c328daea94ce3dc5dd6e0348ceae87c096267b9fe41/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-16 19:16:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=nnaat36fossixreufqzi3lvjjtr5yxow4a2iz2xipqewez5z7zaq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230216-xyr7bsbc82/
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
Unpacked files
SH256 hash:
129432b18ee8ad553d49d0a704ff27acfbc969230a950f31b5a7f507308cf47a
MD5 hash:
dd55a3ff06a04cc7c09907e8eaa6ca8a
SHA1 hash:
7050921ed1acae77784faf0d93b2285f721aba3b
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3dd112a9-f30f-4f41-89e0-7ca36910c098/
SH256 hash:
1bbc661b4b52a2222b3f736c6b91e4bb4168cfa7f5b18eeb8c37f395b22487e5
MD5 hash:
635d68502f75b24ee122332739feec35
SHA1 hash:
9c13089a439780e52e75b6a24fb843fb831821e5
Link:
https://www.unpac.me/results/3dd112a9-f30f-4f41-89e0-7ca36910c098/
SH256 hash:
c724c767c98742b9fa1cecb249b3adfb154e8cd3a8c24a8dcc09d5fab131dba4
MD5 hash:
bb104b85dbce15cb7548266d4e877505
SHA1 hash:
25e6d3dd307518d1c1e51f7be994230c8a22bb09
Link:
https://www.unpac.me/results/3dd112a9-f30f-4f41-89e0-7ca36910c098/
SH256 hash:
7edb093e54446f0444765b5ab02d44cb099cb18f6a955c21b2bd3a1c41bca504
MD5 hash:
7bacf9d2e39c6e4aec3a520f8b2f094a
SHA1 hash:
0a0488c216022c9a57574e8e48eeed491769b026
Link:
https://www.unpac.me/results/3dd112a9-f30f-4f41-89e0-7ca36910c098/
SH256 hash:
6b4009efc574a48bc4942c328daea94ce3dc5dd6e0348ceae87c096267b9fe41
MD5 hash:
6bfb15f9b630506a56ae47c809c3a021
SHA1 hash:
3ad85d881f9d3e7d529fb7626b8a443e3a96d7b4
Link:
https://www.unpac.me/results/3dd112a9-f30f-4f41-89e0-7ca36910c098/
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/6b4009efc574a48bc4942c328daea94ce3dc5dd6e0348ceae87c096267b9fe41

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/367363/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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