MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b8fa70a56750e1b7718cdb15ece2ffbd54b65d7cfe5b8d124f7cf115de492f23. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b8fa70a56750e1b7718cdb15ece2ffbd54b65d7cfe5b8d124f7cf115de492f23
SHA3-384 hash: 8055d7047cddf1bb9194cc9567efee82c96696757edd97d8b97b51da41b5f28b87aceeac82ee7f46dd636827deba521f
SHA1 hash: 3f27924d4822fe4b6a8a8202a055a142508125ca
MD5 hash: 15d50af63589506c2ae66945f82ed32e
humanhash: winner-magazine-wolfram-four
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'779'985 bytes
First seen:2023-01-17 08:02:18 UTC
Last seen:2023-01-17 08:29:27 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:mV2VbTvwQrwNtMaGfaPoTTgr63jYL8ve80tFoWNW41GTj:eaN6MZiwTj3sL8v4GWNW41GTj
TLSH T1B4853306DD80823ED96269702C72E53A2EF8FB03587C20D9315DCCDDA7A6B456B5B393
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


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

Intelligence

File Origin
# of uploads :
15
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-17 08:04:48 UTC
Tags:
installer
Link:
https://app.any.run/tasks/8170ad8b-dd7b-44e0-a3de-14b6bba75f6f

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/353701/
Detection(s):
Win.Malware.Ekstak-9979943-0
Create hunting rule

SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/60885/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63c6563781817f6f4dc45341/reports/c4bdbfd5-69a8-49a2-acd9-46fba9fd6f7a/overview
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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9d1d7d40-f971-4f41-920a-148a36c865a4
Result
Threat name:
Nymaim, RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1152912
Signature
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found many strings related to Crypto-Wallets (likely being stolen)
Hides threads from debuggers
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Obfuscated command line found
PE file contains section with special chars
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Query firmware table information (likely to detect VMs)
Snort IDS alert for network traffic
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected AntiVM3
Yara detected Nymaim
Yara detected RedLine Stealer
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 785641 Sample: file.exe Startdate: 17/01/2023 Architecture: WINDOWS Score: 100 60 45.12.253.98 CMCSUS Germany 2->60 70 Snort IDS alert for network traffic 2->70 72 Malicious sample detected (through community Yara rule) 2->72 74 Multi AV Scanner detection for dropped file 2->74 76 12 other signatures 2->76 11 file.exe 2 2->11         started        signatures3 process4 file5 50 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 11->50 dropped 96 Obfuscated command line found 11->96 15 file.tmp 18 16 11->15         started        signatures6 process7 file8 52 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 15->52 dropped 54 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 15->54 dropped 56 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 15->56 dropped 58 6 other files (5 malicious) 15->58 dropped 18 finalrecovery.exe 33 15->18         started        process9 dnsIp10 62 45.12.253.56, 49710, 80 CMCSUS Germany 18->62 64 45.12.253.72, 49711, 80 CMCSUS Germany 18->64 66 45.12.253.75, 49712, 49715, 49717 CMCSUS Germany 18->66 42 C:\Users\user\AppData\...\bboddRXx977tz.exe, PE32 18->42 dropped 44 C:\Users\user\AppData\...\6SUTsckZU.exe, PE32+ 18->44 dropped 46 C:\Users\user\AppData\Roaming\...46JhrrDm.exe, PE32 18->46 dropped 48 4 other malicious files 18->48 dropped 22 NJhrrDm.exe 5 18->22         started        26 6SUTsckZU.exe 3 18->26         started        28 lD4A3PrTICT.exe 3 18->28         started        30 2 other processes 18->30 file11 process12 dnsIp13 68 45.15.156.202, 15601, 49723 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 22->68 78 Multi AV Scanner detection for dropped file 22->78 80 Detected unpacking (changes PE section rights) 22->80 82 Detected unpacking (overwrites its own PE header) 22->82 94 4 other signatures 22->94 84 Query firmware table information (likely to detect VMs) 26->84 86 Tries to detect sandboxes and other dynamic analysis tools (window names) 26->86 88 Hides threads from debuggers 26->88 90 Tries to detect sandboxes / dynamic malware analysis system (registry check) 26->90 32 InstallUtil.exe 26->32         started        92 Machine Learning detection for dropped file 28->92 34 powershell.exe 28->34         started        36 conhost.exe 30->36         started        38 taskkill.exe 30->38         started        signatures14 process15 process16 40 conhost.exe 34->40         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b8fa70a56750e1b7718cdb15ece2ffbd54b65d7cfe5b8d124f7cf115de492f23/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-17 08:03:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 26 (53.85%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xd5hbjlhkdq3o4mm3mk6zyx7xvklmxl47zny2espptyrlxsjf4rq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230117-jxn7dscf58/
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
Loads dropped DLL
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:
d4fb7e426ee3935348fd7555bede03adc39b9a06db1948ef4cd96d7ac88d8c78
MD5 hash:
51f40bb3808e82f1eaca120caff4cba0
SHA1 hash:
6e34ebf7c65d6d03b19b43955bd3c2e2337ba0ed
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/669899e6-3107-4933-bc6a-b342b009d868/
SH256 hash:
62d7c943fbfc43627dcccbdd11249126fda8369e02e5622475edfef2cf83156d
MD5 hash:
5647c8f2569de7986cc55b399f99d33b
SHA1 hash:
a98962b2e8566c2e21d4e800d4006e37bb5590f5
Link:
https://www.unpac.me/results/669899e6-3107-4933-bc6a-b342b009d868/
SH256 hash:
5b712c7b315bac019c4f53362acad1ca289f7ec18b6268d078f3e12c7751e35d
MD5 hash:
10ae3ef489c0a345e81fe29a4c5ba9a2
SHA1 hash:
1e5b1bb366cd68de3fe95557b3d1f176a8f86050
Link:
https://www.unpac.me/results/669899e6-3107-4933-bc6a-b342b009d868/
SH256 hash:
b8fa70a56750e1b7718cdb15ece2ffbd54b65d7cfe5b8d124f7cf115de492f23
MD5 hash:
15d50af63589506c2ae66945f82ed32e
SHA1 hash:
3f27924d4822fe4b6a8a8202a055a142508125ca
Link:
https://www.unpac.me/results/669899e6-3107-4933-bc6a-b342b009d868/
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/b8fa70a56750e1b7718cdb15ece2ffbd54b65d7cfe5b8d124f7cf115de492f23

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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/353701/

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