MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c8a7dd9bc41e4bdcb9a240b6900aafa2983079357ad7b38732e5b7b8423d172. 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: 3c8a7dd9bc41e4bdcb9a240b6900aafa2983079357ad7b38732e5b7b8423d172
SHA3-384 hash: c2cd3ac997c405314abcf2a91b78dc7f68c091d4a8071858bda240de2b9e78683e1de797ff830b69f87087b94954b06b
SHA1 hash: 46a251045ae7d07d5e42c4f7112934bf7c32dd4a
MD5 hash: 3c11c47a0e8f1b55f791e3fd0599e4a9
humanhash: queen-five-may-lima
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'467'205 bytes
First seen:2023-02-11 11:31:44 UTC
Last seen:2023-02-11 11:57:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'459 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdHKUEyalupGI67tXCeiR3hQnWD7jUuCdC+fr3LCgv2MR:JHKd4p565XhidhQe7jFcf/v2MR
TLSH T153B5023C7145C8ADD680FEB88C3A94E72CD76EE3E9D49462B0C97F3F52792884A19117
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 :
8
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-11 11:34:46 UTC
Tags:
installer
Link:
https://app.any.run/tasks/832b527b-15bb-47ad-99d7-112596cccfba

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/363960/
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/68105/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/63e77cb4ae0d2eea07d4e9d5/reports/0ba104ac-9977-4b3d-abc1-e6114b0c2e90/overview
Verdict:
Malicious
Labled as:
Downloader/BeamWinHTTP
Link:
https://www.hybrid-analysis.com/sample/3c8a7dd9bc41e4bdcb9a240b6900aafa2983079357ad7b38732e5b7b8423d172
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/59fd1f39-9304-4760-9f90-437413cc8303
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1171992
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: 804780 Sample: file.exe Startdate: 11/02/2023 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 FRec211.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49692, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49693, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49694, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\ypEh6DWvzua.exe, PE32 17->30 dropped 21 ypEh6DWvzua.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/3c8a7dd9bc41e4bdcb9a240b6900aafa2983079357ad7b38732e5b7b8423d172/
Threat name:
Win32.Downloader.GCleaner
Create hunting rule
Status:
Malicious
First seen:
2023-02-11 11:32:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 26 (61.54%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hsfh3wn4ihsl3s42eqfwsafk7iuygb4tk6wxwodtfznxxbbd2fza._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230211-nm94bsba54/
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
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:
5e47e7cfe0633f83107d26ebf255651ce072edfaaf3b9db1159a94a13399e7f5
MD5 hash:
0eaabd310d59b5a2abee0b4d6b8dd03f
SHA1 hash:
fbce44f1d5542c834562c3ca1f8a623580f0c607
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/ae04cfca-3349-4ef7-898b-cd6e6bd10748/
SH256 hash:
936bfc8c6e6cad9010d9b50f562849894a659b9b0c5a3026b083dd651050bff3
MD5 hash:
4ac58c2eabaa3a2ee6a4f6e930276696
SHA1 hash:
e05f449d1ffefe0eb973502a1cebf6d267f78031
Link:
https://www.unpac.me/results/ae04cfca-3349-4ef7-898b-cd6e6bd10748/
SH256 hash:
080a7f5f1bed1d9de99e5dffe55535eb2a7bd7443ca3ea7efa7ac7bdc366e5e6
MD5 hash:
77c7b98cb787aeca1f30baf976c0ab85
SHA1 hash:
4e4e438aae9b9eadc36510864e7127606ed76545
Link:
https://www.unpac.me/results/ae04cfca-3349-4ef7-898b-cd6e6bd10748/
SH256 hash:
3c8a7dd9bc41e4bdcb9a240b6900aafa2983079357ad7b38732e5b7b8423d172
MD5 hash:
3c11c47a0e8f1b55f791e3fd0599e4a9
SHA1 hash:
46a251045ae7d07d5e42c4f7112934bf7c32dd4a
Link:
https://www.unpac.me/results/ae04cfca-3349-4ef7-898b-cd6e6bd10748/
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/3c8a7dd9bc41e4bdcb9a240b6900aafa2983079357ad7b38732e5b7b8423d172

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/363960/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments