MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d71b2362e7ad2eb8d640d35388b1cb26b9bbf6196e22be5081d299901690137d. 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: 10


Intelligence 10 IOCs YARA 3 File information Comments

SHA256 hash: d71b2362e7ad2eb8d640d35388b1cb26b9bbf6196e22be5081d299901690137d
SHA3-384 hash: 1a86d5c8ead617746fba86e11e0358ad410068a666356035ee2ca144a10c1c425de2bd5278267330e3b2e19395849c4c
SHA1 hash: 7ac88931256b394a3a2d5a430557cfe5af407af7
MD5 hash: 32876c3bc0d16eb3e80437ae0788c1c3
humanhash: fruit-seven-freddie-potato
File name:file
Download: download sample
Signature GCleaner
File size:1'701'635 bytes
First seen:2023-07-14 18:47:18 UTC
Last seen:2023-07-14 19:16:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'494 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:1fOycylxEI9BAf4wFpAE6Fm9KY6uy8oS9rLRQdjrbDNZZKbhxFnNUWCMpa:1GRkb3AfEhYclnS5tUzprAFv8
Threatray 3'580 similar samples on MalwareBazaar
TLSH T1D0753350EBC5B03CD8B5BD708D6306A196B69DF53DB66149B3AE6F4C1B6A200CE0E707
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 70f0f0e8e8b2f0f0 (29 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 :
2
# of downloads :
295
Origin country :
US US
Vendor Threat Intelligence
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
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
control gcleaner greyware installer lolbin overlay packed packed shell32
Result
Verdict:
MALICIOUS
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
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1273366 Sample: file.exe Startdate: 14/07/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.75 CMCSUS Germany 2->42 44 45.12.253.98 CMCSUS Germany 2->44 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 Antivirus detection for dropped file 2->54 56 5 other signatures 2->56 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-42FQC.tmp, PE32 9->30 dropped 12 is-42FQC.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 RewSpacer714.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 46 45.12.253.56, 80 CMCSUS Germany 15->46 48 192.168.2.1 unknown unknown 15->48 28 C:\Users\user\AppData\...\QrjnbdRpSgVs.exe, PE32 15->28 dropped 21 QrjnbdRpSgVs.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 58 Multi AV Scanner detection for dropped file 21->58
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2023-07-14 18:48:10 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Runs net.exe
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:
0f37f74991b82e8591b7d849a123af5368519d3a4e394ab30a341a8ccfacb358
MD5 hash:
7df0e18b02e92d7ed8ff5bb709993f8e
SHA1 hash:
73eb91154ba6ccddbe6201b3f1594dd99aac596a
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
afd64e11c00ad0d8abd11e549c8d64713a79fcdfb5b651a1ab2e641d9a0a3f77
MD5 hash:
f4e10c8dd8a0ee6e307f9b615e26497a
SHA1 hash:
3573e3c68d4757770da377396d7f5407643d3565
SH256 hash:
c465541b1e4ad0d1f6d5cb0c7935bbec6e821b9870fbfe33e7290f1f310cbc30
MD5 hash:
f66c278ef9217958142095a256e5f8e7
SHA1 hash:
43f7c580b696a6b1df26958c7e933e2453f6d373
SH256 hash:
d71b2362e7ad2eb8d640d35388b1cb26b9bbf6196e22be5081d299901690137d
MD5 hash:
32876c3bc0d16eb3e80437ae0788c1c3
SHA1 hash:
7ac88931256b394a3a2d5a430557cfe5af407af7
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