MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 88f352540b61a98d9594999ca155cda9ba4cfa4377586fcb34fc0fc8dd30948d. 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: 88f352540b61a98d9594999ca155cda9ba4cfa4377586fcb34fc0fc8dd30948d
SHA3-384 hash: 41962e079b8045eb904064a2210dbf2e393de51f57bf56148eb85699226b995cafabeb208f0a2f729887350b56fb66dc
SHA1 hash: 5e4f05721b0bfacaee12e743f64339d173e7b4c6
MD5 hash: fbb5e8e8efdd67193b8e96a4dfa0fbed
humanhash: diet-mountain-shade-xray
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'609'887 bytes
First seen:2023-02-12 18:47:11 UTC
Last seen:2023-02-12 19:11:54 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:rdH/QoIgtUbEVItAAkFUUP97ukNLy3R++peZCjEa/NcBeg+wHIXvtaEasiWr+LCU:JHI/gtimI6AanPP03dh0H7Mkqev2MR
TLSH T16BF5123D7115C86DC290FEB4882698F79CD66EE3E8E49062B0DDBF3F51795888B0A147
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 14b0b0fceeaa3b18 (363 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 :
6
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-12 18:50:55 UTC
Tags:
installer
Link:
https://app.any.run/tasks/72b89f2f-2b9b-4506-8f9f-ca43f22ca6b5

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/364552/
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
Sending a custom TCP request
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/68643/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/63e9346391b0e663e8f5c54e/reports/0eae607c-c008-4070-a48d-ddf0a54f0e03/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/88f352540b61a98d9594999ca155cda9ba4cfa4377586fcb34fc0fc8dd30948d
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:
Malicious
Link:
https://analyze.intezer.com/analyses/7d7874b7-f06a-407e-8d7f-b9cb0cd613fb
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1172717
Signature
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)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped 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: 805507 Sample: file.exe Startdate: 12/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 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 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 FRec212.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49695, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49696, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49697, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\PZFCcQ0QFeG.exe, PE32 17->30 dropped 21 PZFCcQ0QFeG.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/88f352540b61a98d9594999ca155cda9ba4cfa4377586fcb34fc0fc8dd30948d/
Threat name:
Win32.Downloader.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2023-02-12 18:49:05 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rdzvevalmguy3fmutgokcvonvg5ez6sdo5mg7szu7qh4rxjqssgq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230212-xfrg3sfg55/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
80a7d66f188baee9491c720ac11d10115cee23c0ff3245b635f229c75565d7a5
MD5 hash:
64d42b709ef4fbb45ed9e1ab2b7e1b9a
SHA1 hash:
5cac978695566763dd97fbf3a4278ee6d87c1c4d
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/c43ff432-4bad-40c6-89dd-630a74d8d63e/
SH256 hash:
393c5ff6feadfbdb8931f0a58d37d0e5530c55d9e7eb6fd6aa731104ce8d09ba
MD5 hash:
a6bedd75859f092b17c7668c9580204b
SHA1 hash:
6812886b773fbf35f9a6b5c482fa82247940c7b1
Link:
https://www.unpac.me/results/c43ff432-4bad-40c6-89dd-630a74d8d63e/
SH256 hash:
e6c8b41569e9296dd90a5a21d375d6e3c0a98f3e2647b716517270e01e9c6fcc
MD5 hash:
1795bcd26c60fe6095ab131f6922a7a0
SHA1 hash:
0cd747a5cf9ef6e3a616acbfda58735a74611478
Link:
https://www.unpac.me/results/c43ff432-4bad-40c6-89dd-630a74d8d63e/
SH256 hash:
88f352540b61a98d9594999ca155cda9ba4cfa4377586fcb34fc0fc8dd30948d
MD5 hash:
fbb5e8e8efdd67193b8e96a4dfa0fbed
SHA1 hash:
5e4f05721b0bfacaee12e743f64339d173e7b4c6
Link:
https://www.unpac.me/results/c43ff432-4bad-40c6-89dd-630a74d8d63e/
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/88f352540b61a98d9594999ca155cda9ba4cfa4377586fcb34fc0fc8dd30948d

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/364552/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments