MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3d3fcbf9ff9a5c092b1e3bedfe76b0330b5dbfdc7e03288aecd45cab984d40ff. 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: 3d3fcbf9ff9a5c092b1e3bedfe76b0330b5dbfdc7e03288aecd45cab984d40ff
SHA3-384 hash: 7ba8c43c15c39e2504fc51ff3b294050632363132b2df833450b392c7af18d70789baa9325c5daf29056f7267630fda4
SHA1 hash: 1288e4aa974a08f09419559c1dc93ab8cab46a7c
MD5 hash: d3fddf13bc4e9a1b7687e67419fcbce1
humanhash: ack-uranus-vegan-orange
File name:file
Download: download sample
Signature GCleaner
File size:2'032'128 bytes
First seen:2023-03-24 13:23:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:EGlJfshd3bRC72tdxKnxmZTPBrDUXUmsoPRkHWi+fLrY2cK5dlLYp:5EVC7kMxmZTtD6Um35k2r/YIPYp
Threatray 2'007 similar samples on MalwareBazaar
TLSH T1CB953346DAE98831E5B2BAB45C784D49D332F75F3F38243F91DCD88D2BA18116E1B291
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.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 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 :
1
# of downloads :
242
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-03-24 13:25:04 UTC
Tags:
installer loader gcleaner opendir ransomware stop

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending a custom TCP request
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 process
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed 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
Antivirus / Scanner detection for submitted sample
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
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 834161 Sample: file.exe Startdate: 24/03/2023 Architecture: WINDOWS Score: 100 46 45.12.253.98 CMCSUS Germany 2->46 48 Snort IDS alert for network traffic 2->48 50 Antivirus detection for URL or domain 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 6 other signatures 2->54 10 file.exe 2 2->10         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-0K83Q.tmp, PE32 10->30 dropped 13 is-0K83Q.tmp 11 24 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 6 other files (4 malicious) 13->38 dropped 16 FRec324.exe 20 13->16         started        process8 dnsIp9 40 45.12.253.56, 49695, 80 CMCSUS Germany 16->40 42 45.12.253.72, 49696, 80 CMCSUS Germany 16->42 44 45.12.253.75, 49697, 80 CMCSUS Germany 16->44 28 C:\Users\user\AppData\Roaming\...\wOl8EJ.exe, PE32 16->28 dropped 20 cmd.exe 1 16->20         started        22 wOl8EJ.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:
Suspicious
First seen:
2023-03-24 13:24:14 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
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:
e30b971e7bcfa5e8fc976a4f6e42910ce46bfe563f21f93a6990bc4ee05f97d5
MD5 hash:
78e5b2d9c72a2db78dbc25a31911b530
SHA1 hash:
8c9a2b2e9296c0cea7bb0f84c70f6005fbf30d69
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
6aa7bb0b95a181247620e7b3c013369ef49f2813ee4d0b43340f1944f5dc2cf1
MD5 hash:
af6a1c94e6383cfc59509b10a34f4ad1
SHA1 hash:
f15245e5b013354fb259b6def1e05f78c8dc8516
SH256 hash:
185667c5d09fc6029fff8c07fe9acd87fb60be7fa9f6c636131840a1afc6cd00
MD5 hash:
2f1e951f7c622fd275d5ce909580d3cb
SHA1 hash:
09b883cb7f6224e3bfa80610379dcfa245974a07
SH256 hash:
3d3fcbf9ff9a5c092b1e3bedfe76b0330b5dbfdc7e03288aecd45cab984d40ff
MD5 hash:
d3fddf13bc4e9a1b7687e67419fcbce1
SHA1 hash:
1288e4aa974a08f09419559c1dc93ab8cab46a7c
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