MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 71bf7691a9cc7dc3f5dee1ac0bf691a1be90aa88b4d43a6d56d9ea36deea9096. 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: 71bf7691a9cc7dc3f5dee1ac0bf691a1be90aa88b4d43a6d56d9ea36deea9096
SHA3-384 hash: aa557c69e4da177e57e5cf7d11eb4af9e70f06de0bd921bcc62be70b6837975dbd37ce94cfaaa7b81550330ecd136cda
SHA1 hash: 40ccd25cedac267951b98ff85b2b7a569f8e08c9
MD5 hash: 21df6d9dfc45910b9f54530f819bcd1c
humanhash: west-papa-eight-idaho
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'347'756 bytes
First seen:2023-02-04 06:46:38 UTC
Last seen:2023-02-04 07:14:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:d3ZCqVMHh2lu9ZyMf4lB9zp3aNZsXThZtV/LCgv2MR:Xbyh2liyMfa2Nqtpv2MR
TLSH T1B6B5DF061C98E5ABE0C98F70CDF35DFB1C15ED79C4B9486791043EFB3A32A122D96629
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 96968e8e0f0f9696 (49 x GCleaner, 1 x NetSupport)
Reporter andretavare5
Tags:exe gcleaner


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

Intelligence

File Origin
# of uploads :
17
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-04 06:48:45 UTC
Tags:
installer
Link:
https://app.any.run/tasks/7d1bf0ec-f9ba-4a4b-aa15-abe9c4e87058

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/360167/
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 a custom TCP request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/65207/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ddff661c9cbf7d6255c05a/reports/587144c8-d8af-4756-8ab5-6ce1c3cd6b76/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/71bf7691a9cc7dc3f5dee1ac0bf691a1be90aa88b4d43a6d56d9ea36deea9096
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/db053aee-da4e-4499-ad08-a5f7f928f2ba
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1165670
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: 798441 Sample: file.exe Startdate: 04/02/2023 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 18 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 FRec24.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49682, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49683, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49684, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\pVUVLKPJ.exe, PE32 17->30 dropped 21 pVUVLKPJ.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/71bf7691a9cc7dc3f5dee1ac0bf691a1be90aa88b4d43a6d56d9ea36deea9096/
Threat name:
Win32.Downloader.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2023-02-04 06:47:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
11 of 26 (42.31%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=og7xnenjzr64h5o64gwax5urug7jbkuiwtkdu3kw3hvdnxxkscla._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230204-hj7adaga3s/
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:
6cef91d612fd0ce84b61878c1f718b2edf128a26f931097c4d07e2f9b122279a
MD5 hash:
4a6c4dead78e78d82619fe0d0a097b38
SHA1 hash:
e9b12f18a74117d0b4ac87b1e187fddf2c6f697b
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/cff53061-0ad1-4679-944f-92e3829c993f/
SH256 hash:
f14b79b4608389aed38d22dd5cf2739c739e09272b88b052289c0c2b0740e919
MD5 hash:
6420f85a47b5972c2431965ccf823d30
SHA1 hash:
a06cd03c42638cea6722cc64fb72cc3b2e32503c
Link:
https://www.unpac.me/results/cff53061-0ad1-4679-944f-92e3829c993f/
SH256 hash:
70aa344f287b0b4eb20bbf8f311fc53654b22c4bd7840c268194c2afb97ff42c
MD5 hash:
d237c8b126c7f8f423ed66ebb9a1d93f
SHA1 hash:
21025b9472adcd730c8c00a1cb641ce7bcdd7a06
Link:
https://www.unpac.me/results/cff53061-0ad1-4679-944f-92e3829c993f/
SH256 hash:
71bf7691a9cc7dc3f5dee1ac0bf691a1be90aa88b4d43a6d56d9ea36deea9096
MD5 hash:
21df6d9dfc45910b9f54530f819bcd1c
SHA1 hash:
40ccd25cedac267951b98ff85b2b7a569f8e08c9
Link:
https://www.unpac.me/results/cff53061-0ad1-4679-944f-92e3829c993f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/71bf7691a9cc7dc3f5dee1ac0bf691a1be90aa88b4d43a6d56d9ea36deea9096

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/360167/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments