MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b57580762165a46aea468edce21e4d497294be335edc3e336aa64b0e435f390a. 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

SHA256 hash: b57580762165a46aea468edce21e4d497294be335edc3e336aa64b0e435f390a
SHA3-384 hash: 57f62a578b8358ae8d70901b9db7d50bbd2a3419109b72262125b8bc53b506483713c4f5f98344258c2ef6cdf8b5403b
SHA1 hash: 7ce7a062c1ad97f062a1ef21e7e152c557b10fac
MD5 hash: 143e021c7102d557259c71b440177dd9
humanhash: romeo-apart-two-oranges
File name:file
Download: download sample
Signature GCleaner
File size:2'321'606 bytes
First seen:2023-02-04 12:30:13 UTC
Last seen:2023-02-04 12:59:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:d3Zs1BAXJcDtDFeq4hEg5CZXdDk8y1bG9Ooy+LCgv2MR:XQCJcDtD6uZXK8SRev2MR
TLSH T1ACB5DF461C99D06BE0C98F70D9F36EFB4C11EDB9C0B9581791183EFB3A32E422C56669
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 96968e8e0f0f9696 (49 x GCleaner, 1 x NetSupport)
Reporter andretavare5
Tags:exe gcleaner


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

Intelligence


File Origin
# of uploads :
14
# of downloads :
192
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-04 12:31:38 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
Creating a file in the %AppData% subdirectories
Sending an HTTP GET 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 tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
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:
100 / 100
Signature
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:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 798507 Sample: file.exe Startdate: 04/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 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 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 FRec24.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49699, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49700, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49701, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\ZRo69BpGCX.exe, PE32 17->30 dropped 21 ZRo69BpGCX.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
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-04 12:31:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
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
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:
6db23d105e5a1f0864d71c75e28eb79246367e36fad3f88fde62fed18ff5926a
MD5 hash:
e4fda4f5d51ec011ba25249a8e6e5811
SHA1 hash:
a05aef55c402abc0de223873b7633c0d2f9e2dcf
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
a41eb3d0978eb48f3ddbfe90f798ef1d2ad3e7191f18750c8e812118a33acb01
MD5 hash:
d2d8fa84e10d33bbb3cffe4c724fb471
SHA1 hash:
5ef9df0a62a7c0dd1ed276d06fceaa11ca5c0b88
SH256 hash:
b57580762165a46aea468edce21e4d497294be335edc3e336aa64b0e435f390a
MD5 hash:
143e021c7102d557259c71b440177dd9
SHA1 hash:
7ce7a062c1ad97f062a1ef21e7e152c557b10fac
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
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

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