MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4457976aed3361f936e815b67b2054959f619ec61bc31173112c990deb63be7e. 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: 4457976aed3361f936e815b67b2054959f619ec61bc31173112c990deb63be7e
SHA3-384 hash: 121412a4c9a0a5f690138f6f531d81a50a9d413871a4bc88e802bdc960fd27ae165b8948faf0ec656ade946940a72d2c
SHA1 hash: cc5510480bea59f79a3bdf2c4b4a5ac0e19542d7
MD5 hash: 8de4447cb99506213cd4b97690feac03
humanhash: oscar-uniform-burger-triple
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'191'003 bytes
First seen:2023-02-14 09:03:59 UTC
Last seen:2023-02-14 09:28:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JH4dceiX5Bua3rRz7KMYX2MHV0l17rYv2MR:d4WeiJBua3rBK5mM+brYvjR
TLSH T1DEE5127C7605C8ADC281BEB88C3A88E71CDB6EE3D8E0906271DD7F3F5179294861A157
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 :
7
# of downloads :
205
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-14 09:06:11 UTC
Tags:
installer
Link:
https://app.any.run/tasks/d2e08d6e-1129-4fda-8472-e08938a2ad30

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/365548/
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
Using the Windows Management Instrumentation requests
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/69464/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/63eb4e886ea97adc8fc1aa21/reports/01562294-570a-482c-9e86-c48151c02192/overview
Verdict:
Malicious
Labled as:
Downloader/BeamWinHTTP
Link:
https://www.hybrid-analysis.com/sample/4457976aed3361f936e815b67b2054959f619ec61bc31173112c990deb63be7e
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/5b128caf-3af3-4ed0-8beb-4017fdca4d1d
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1174220
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
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: 807011 Sample: file.exe Startdate: 14/02/2023 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 Multi AV Scanner detection for submitted file 2->54 56 5 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 FRec214.exe 24 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\Roaming\...\qXTSxfG.exe, PE32 17->30 dropped 21 qXTSxfG.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/4457976aed3361f936e815b67b2054959f619ec61bc31173112c990deb63be7e/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-14 09:04:11 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=irlzo2xngnq7snxicw3hwicuswpwdhwgdpbrc4yrfsmq323dxz7a._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230214-k1l2wabe51/
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
Loads dropped DLL
Checks computer location settings
Executes dropped EXE
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:
2c8010ac66c4f54d0c82210fc4269b16f25ca65fd049da5eec3114e889ba68c1
MD5 hash:
4d89736469271e5fa7c645b1d86a3e40
SHA1 hash:
21d3e9c2bf0a34b2753430e11a8b152ddc32055c
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/80a7d9e4-84c0-4e0a-8c39-e14d6fc60665/
SH256 hash:
878ec71935ac89ed3f66995eb18129d460444889875a882676816a2026ffb73a
MD5 hash:
c6a9d48cf6fa8adc6a5cc8fa60a149b9
SHA1 hash:
7f583012d6d1cb3324342a32ee7059ee61cab7ad
Link:
https://www.unpac.me/results/80a7d9e4-84c0-4e0a-8c39-e14d6fc60665/
SH256 hash:
67fc1edd2adc49516b9a0d25e49fc53a2c2ec97b53d13c60eeda76a219244366
MD5 hash:
20a34c1d79cf4ab33c502ab1117f0125
SHA1 hash:
6f5e7a94f2136dbbae295e57f577e017cf0137c1
Link:
https://www.unpac.me/results/80a7d9e4-84c0-4e0a-8c39-e14d6fc60665/
SH256 hash:
4457976aed3361f936e815b67b2054959f619ec61bc31173112c990deb63be7e
MD5 hash:
8de4447cb99506213cd4b97690feac03
SHA1 hash:
cc5510480bea59f79a3bdf2c4b4a5ac0e19542d7
Link:
https://www.unpac.me/results/80a7d9e4-84c0-4e0a-8c39-e14d6fc60665/
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/4457976aed3361f936e815b67b2054959f619ec61bc31173112c990deb63be7e

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/365548/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments