MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3f9b18c6a8c74d877c8f79ddcddb7c6c71bc4ba699dd754ae0a056b9b0622d70. 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: 3f9b18c6a8c74d877c8f79ddcddb7c6c71bc4ba699dd754ae0a056b9b0622d70
SHA3-384 hash: d48e4c2c2ca9884978df1b1cc132521a832b99a4216b30d97b0442e69a5d0321087dbfce1ec22d659400942289a26f75
SHA1 hash: 3c1ccf62534bf07f41e8848a83866ee8c6e60b60
MD5 hash: 5d44f1037e938234ac0c75070aa51333
humanhash: three-fruit-hawaii-cardinal
File name:file
Download: download sample
Signature GCleaner
File size:1'809'472 bytes
First seen:2023-01-21 20:15:48 UTC
Last seen:2023-01-21 20:43:42 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'450 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:qlJlpqB7lZpud3NI+dHrdkmTRnPVoUPqN+Rfkc7EXM:OJl8N4I+RJkmvyNiXEc
TLSH T10A853302BD9207B7D032C6B18F5B4258CA6B3406EA7012643E5F35BD5F37D9AA86B707
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 b9f8f2d2b6a8ec76 (42 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 :
18
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-21 20:15:57 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
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:
92 / 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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 789014 Sample: file.exe Startdate: 21/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 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 22 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49690, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49691, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49692, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\H2mrxFVvrmOH.exe, PE32 17->30 dropped 21 H2mrxFVvrmOH.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.Injuke
Status:
Malicious
First seen:
2023-01-21 20:16:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
12 of 26 (46.15%)
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
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:
62283ff65e44c2d499b3d7044341e53ded412e5a93d088a8bf180988b28c0acc
MD5 hash:
224740b17a341d38c5b0f87d7666a1c0
SHA1 hash:
fb7adea70eab75afbc1609e44339d1e1be66aadf
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
37208685b2c2b5e672acd342595e94f0a39245041fd046345a6a710a398ae294
MD5 hash:
ef719009087c3d51bf3282145441bfd1
SHA1 hash:
587dcd063f4beef5b2a907783dc7a10d8f60bcac
SH256 hash:
17faad670bf45962741adc0f12675f4d398fb238f7429ce1cf30b405bdfafd55
MD5 hash:
c66d1253095c5a79346cc2ed28546906
SHA1 hash:
0a954b225d203be1d0701643bd0f558ba3bf893c
SH256 hash:
3f9b18c6a8c74d877c8f79ddcddb7c6c71bc4ba699dd754ae0a056b9b0622d70
MD5 hash:
5d44f1037e938234ac0c75070aa51333
SHA1 hash:
3c1ccf62534bf07f41e8848a83866ee8c6e60b60
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

Comments