MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f7b034eb79976651ab1f7cfae1b80d11bf50d6ebb45e6ecbbc8beae19f880eff. 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

SHA256 hash: f7b034eb79976651ab1f7cfae1b80d11bf50d6ebb45e6ecbbc8beae19f880eff
SHA3-384 hash: 333dec615c05ac49e4af5ab5b47037a6bd12f4eedec79c8a50134dd6baf2e410c58905dd3d341af76114de21593f28c9
SHA1 hash: 47fbd8819e61a5eafd0d4965abcfec9b2508feef
MD5 hash: 13438d650ea117740f4ff2868b5f0fa6
humanhash: failed-lemon-nitrogen-ten
File name:file
Download: download sample
Signature GCleaner
File size:2'612'992 bytes
First seen:2022-11-02 15:01:47 UTC
Last seen:2022-11-02 15:29:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2N/wQdV6a5orjRBwzKwjzxFMKa9gWVvwWcFtTT0qGFXBgkqWOr3i3WejHjLNCYF:MNdV6ZR+PoKa9gWVILFtTTpOXdqWwkV/
TLSH T166C533759298C531C0C4D8B2E4EADFA055A37D28E83690AD77CE13D93F3796C09097EA
TrID 48.2% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
35.6% (.EXE) Inno Setup installer (109740/4/30)
4.6% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.2% (.SCR) Windows screen saver (13101/52/3)
2.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
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://95.214.24.96/load.php?pub=mixinte

Intelligence


File Origin
# of uploads :
5
# of downloads :
273
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-11-02 15:09:35 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
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
Searching for synchronization primitives
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Launching a process
Forced system process termination
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 tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
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 submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 736061 Sample: file.exe Startdate: 02/11/2022 Architecture: WINDOWS Score: 88 46 45.139.105.1 CMCSUS Italy 2->46 48 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->48 50 Antivirus detection for URL or domain 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 30 C:\Users\user\AppData\Local\...\is-3DLSJ.tmp, PE32 10->30 dropped 13 is-3DLSJ.tmp 16 25 10->13         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->34 dropped 36 C:\...\unins000.exe (copy), PE32 13->36 dropped 38 4 other files (2 malicious) 13->38 dropped 16 flsearcher67.exe 25 13->16         started        process8 dnsIp9 40 107.182.129.235, 49694, 80 META-ASUS Reserved 16->40 42 171.22.30.106, 49695, 80 CMCSUS Germany 16->42 44 45.139.105.171, 49693, 80 CMCSUS Italy 16->44 28 C:\Users\user\AppData\...\hTliBxGsXKW.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 hTliBxGsXKW.exe 16->22         started        file10 process11 process12 24 taskkill.exe 1 20->24         started        26 conhost.exe 20->26         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-11-02 15:02:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
8ce6773e38fed8e97fa4cd1c4a44f60fdd15c4ed4ac27a7b57fd2c317a55375b
MD5 hash:
167cac3678f9f4e179a6fd189ae72912
SHA1 hash:
78ec46c461c1b19cb25af344a180bff9b75deddd
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
323f555793af5bb8c5cae0e655fa2104c638c9bea480f52261ee2e0501476561
MD5 hash:
a4a65b014344fcce064412bc59ff6881
SHA1 hash:
9c35f49f2c6b11fe35d5428e5cef7cc4409b453c
SH256 hash:
d74f6bb57439b4e8ee33a4b81dd6f02bab599a82adfef99d252c086d6b42d7d8
MD5 hash:
8e4ffc764e75b4eccde703cfd663610c
SHA1 hash:
5281b11d27786b729573546ce8ee1de6998b0d01
SH256 hash:
f7b034eb79976651ab1f7cfae1b80d11bf50d6ebb45e6ecbbc8beae19f880eff
MD5 hash:
13438d650ea117740f4ff2868b5f0fa6
SHA1 hash:
47fbd8819e61a5eafd0d4965abcfec9b2508feef
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
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

Comments