MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6b398dfdf074ad8a5cc7ed9cd885c7f0764480dd54f659a96df45e88d9d81415. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6b398dfdf074ad8a5cc7ed9cd885c7f0764480dd54f659a96df45e88d9d81415
SHA3-384 hash: 7cf431bccda451c109e16c64737dd99a791cb3b1e686c3ad3e9eaf7c58c2a517d828447dbf80bd333867629f1228523c
SHA1 hash: 17dbef78168c721f645b1fe9612005fee89df539
MD5 hash: 2242ed7e9c784fe5a7f8fa99ddf2a058
humanhash: maine-magnesium-eleven-freddie
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'613'478 bytes
First seen:2023-02-12 07:03:44 UTC
Last seen:2023-02-12 07:29:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'465 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JH8vxkh2EdK7wiCqRx2pCF57YkjGnDsYWC+v2MR:doxO7M7w3qRx2QF50kCQc+vjR
TLSH T132F512BC7104C96DC680BEB4CD3A98E75CE76DD3E8A4A563B0D97F3F41BA1889609107
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 :
8
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-12 07:20:08 UTC
Tags:
installer
Link:
https://app.any.run/tasks/349058c6-d493-407a-bfa8-57f6a7251abc

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/364321/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
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
Link:
https://dragonfly.certego.net/analysis/68440/overview
Behaviour
MalwareBazaar
CheckCmdLine
Gathering data
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/6b398dfdf074ad8a5cc7ed9cd885c7f0764480dd54f659a96df45e88d9d81415
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f7e751c2-4fdc-48bf-917b-2ebab28833f9
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1172456
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 805245 Sample: file.exe Startdate: 12/02/2023 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 FRec212.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49715, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49716, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49717, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\TWtZamxWV92Vnk.exe, PE32 17->30 dropped 21 TWtZamxWV92Vnk.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6b398dfdf074ad8a5cc7ed9cd885c7f0764480dd54f659a96df45e88d9d81415/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-12 07:04:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nm4y37pqoswyuxgh5wonrboh6b3ejag5kt3ftkln6rpirwoycqkq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230212-hvx6vahg41/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
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:
a07c015bfd3be7ebbe0b60f9664980bb7a8b9cebab3d7d2b4ff3b1aadb195ee4
MD5 hash:
8f4744ec61f8efca08304446d31afb99
SHA1 hash:
117f2bca0009406b2077f43fd81cfafe8900ea7d
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/d2882f7f-155c-4614-8d66-6db3c173f738/
SH256 hash:
27dad74e93e7d64aa74f47be00803e191e8380bfc3273974c816fb7d0b135ce6
MD5 hash:
5259cf4ed4f03215f17b4824e31fec41
SHA1 hash:
51036e643e3d02e253ba3bf4dba4737580fbcb81
Link:
https://www.unpac.me/results/d2882f7f-155c-4614-8d66-6db3c173f738/
SH256 hash:
af5495e7945d79125258c2b69d492bdb742606b46c6b343a79fa8febd74fe9c9
MD5 hash:
7e7ad2bbcad15ad4a9a7ebaf4e95ec07
SHA1 hash:
4a85616b38f2ba4d6ec58e8252582838e9371ab2
Link:
https://www.unpac.me/results/d2882f7f-155c-4614-8d66-6db3c173f738/
SH256 hash:
6b398dfdf074ad8a5cc7ed9cd885c7f0764480dd54f659a96df45e88d9d81415
MD5 hash:
2242ed7e9c784fe5a7f8fa99ddf2a058
SHA1 hash:
17dbef78168c721f645b1fe9612005fee89df539
Link:
https://www.unpac.me/results/d2882f7f-155c-4614-8d66-6db3c173f738/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/6b398dfdf074ad8a5cc7ed9cd885c7f0764480dd54f659a96df45e88d9d81415

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/364321/

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