MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b52dde3d111e70089bcb1dfaa7872bfa7345094a9bf0d392fdd787729971bf77. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b52dde3d111e70089bcb1dfaa7872bfa7345094a9bf0d392fdd787729971bf77
SHA3-384 hash: 881b3520c06d183cd8623c5cee622552224a1965ac8e7109a0b68968ed27667895df2c57029f7ee456062f75f55a7194
SHA1 hash: 8af4aac761313e1a66a98ab97b0e9244d8f3cd23
MD5 hash: c265dc3087c38f32ac7e5c9c8e29b803
humanhash: aspen-fish-hotel-zulu
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:3'195'625 bytes
First seen:2023-02-16 15:01:32 UTC
Last seen:2023-02-16 15:42:20 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:xJUzwciBp8EylJaXX4Gj0KjirBBtsF0Fv2MR:xCwVL8EylkXX4KnjirBBtsKFvjR
TLSH T13BE522473605C1FCEA60DF3BC81D84F528B36C59E6B1D11E38997A9F68F2299201EF52
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 12f0f4b26284e162 (24 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 :
13
# of downloads :
228
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-16 15:02:52 UTC
Tags:
installer
Link:
https://app.any.run/tasks/f0ba02e1-874b-4a27-93ae-4e478c204e96

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/367268/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

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
Link:
https://dragonfly.certego.net/analysis/70914/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ee456b4eecaec025f967a9/reports/05815069-e0a0-4eae-b79c-c242f82357c0/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/b52dde3d111e70089bcb1dfaa7872bfa7345094a9bf0d392fdd787729971bf77
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/86868a5b-df2e-4b54-860c-f3b9b11c24af
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1177340
Signature
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 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: 810163 Sample: file.exe Startdate: 16/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 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 14 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 FRec216.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49692, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49693, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49694, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\zGrBJ.exe, PE32 17->30 dropped 21 zGrBJ.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/b52dde3d111e70089bcb1dfaa7872bfa7345094a9bf0d392fdd787729971bf77/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-16 15:02:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 25 (64.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wuw54pirdzyarg6ldx5kpbzl7jzukckktpynhex526dxfglrx53q._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230216-sefa7saa98/
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:
6af9cd33724ab94b936e7afcfc7b601525048cc9dbc52ee14b773f2c9b1e8036
MD5 hash:
6d51b74457f54dfb312695dd678c0b77
SHA1 hash:
51920b121775cf25063e352f57873a8456113db7
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/af9f78c0-3bfa-4ca2-9a90-48977dc51841/
SH256 hash:
a9956544afc20e97fca8b9a38df7c395bb833dd14b7bcacf31f48f5d8cfca556
MD5 hash:
da6dc79ec5ad312cf6fb8dac8303a07c
SHA1 hash:
6f81c7e3969054efc8619b09dd278a8469aed1ea
Link:
https://www.unpac.me/results/af9f78c0-3bfa-4ca2-9a90-48977dc51841/
SH256 hash:
a585d523606bc7dbed4627cd34bb84b43ae24f27496e420ca86b45697ea0a283
MD5 hash:
29b6346455cf92498118d85ce13107fd
SHA1 hash:
6bc94ce8a9dd20a7c2cb298e28eb3e2c40ede712
Link:
https://www.unpac.me/results/af9f78c0-3bfa-4ca2-9a90-48977dc51841/
SH256 hash:
d4f52b7d966c476dee40c677a9d9f224e55c592ee287660cd292e91eccd11848
MD5 hash:
9824254bb5cd741b93eec8e623580685
SHA1 hash:
0de975cd3955849f4c668eed5bb5f8b45f940d36
Link:
https://www.unpac.me/results/af9f78c0-3bfa-4ca2-9a90-48977dc51841/
SH256 hash:
b52dde3d111e70089bcb1dfaa7872bfa7345094a9bf0d392fdd787729971bf77
MD5 hash:
c265dc3087c38f32ac7e5c9c8e29b803
SHA1 hash:
8af4aac761313e1a66a98ab97b0e9244d8f3cd23
Link:
https://www.unpac.me/results/af9f78c0-3bfa-4ca2-9a90-48977dc51841/
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/b52dde3d111e70089bcb1dfaa7872bfa7345094a9bf0d392fdd787729971bf77

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/367268/

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