MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 303f48ee385460aed18613b31b729d7adf437313e9190bcf5e1aca126bc88368. 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: 303f48ee385460aed18613b31b729d7adf437313e9190bcf5e1aca126bc88368
SHA3-384 hash: 3a6dbb4647c70f78e6c4a9b9bbbbcb513cc8924d936b62f0ebfc05cbe40dbd4737987da4d43c0b73bfb0cbd0b5d4c780
SHA1 hash: ad2ef084857f52d86b34b14d20accdc909ece05f
MD5 hash: 6a9c7e79d9bc064c6633dea673217c99
humanhash: asparagus-lima-six-steak
File name:file
Download: download sample
Signature GCleaner
File size:2'647'683 bytes
First seen:2023-02-10 11:01:34 UTC
Last seen:2023-02-10 11:28:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdHKkOOvwuAG9d2Lzng+B6/kByMhgt/R7VFdAPKLCgv2MR:JHhYu2ng+BqkByV/R7rdAPiv2MR
TLSH T1D7C5127C7105C86DC280BEB48C3ED8E75CD6AEE3D4A8A12375DD7E3F92791849A0A117
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 14b0b0fceeaa3b18 (363 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 :
15
# of downloads :
195
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-10 11:03:49 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 process
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:
80%
Tags:
greyware installer 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: 803876 Sample: file.exe Startdate: 10/02/2023 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 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec210.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49684, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49685, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49686, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\wqI1ikBmu.exe, PE32 17->30 dropped 21 wqI1ikBmu.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:
2023-02-10 11:02:09 UTC
File Type:
PE (Exe)
Extracted files:
5
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:
9a98e813037c935e4ebe9f4dfe3d9f53e84b81388e4d47bec8699f6f667c2dad
MD5 hash:
e384f279c2efe16e773cc223aad57d17
SHA1 hash:
853604bee5ed83420ca3ac24203fa0aa0b26ce19
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
6efc7e0ad9d5c5c49ae3e1c05d17cd29fe6b9ead397222b34ea681825ee4069e
MD5 hash:
1b0910ea7d015c4d5a520fe678a1ac37
SHA1 hash:
1bc7d6403726cca5f480e0c62610d4eac094b70f
SH256 hash:
d4f52b7d966c476dee40c677a9d9f224e55c592ee287660cd292e91eccd11848
MD5 hash:
9824254bb5cd741b93eec8e623580685
SHA1 hash:
0de975cd3955849f4c668eed5bb5f8b45f940d36
SH256 hash:
303f48ee385460aed18613b31b729d7adf437313e9190bcf5e1aca126bc88368
MD5 hash:
6a9c7e79d9bc064c6633dea673217c99
SHA1 hash:
ad2ef084857f52d86b34b14d20accdc909ece05f
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