MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4945a18d2ac9d20eaf0c50abdbf4aceb1fd72a1733efe6588d3ff28413a882bc. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4945a18d2ac9d20eaf0c50abdbf4aceb1fd72a1733efe6588d3ff28413a882bc
SHA3-384 hash: ee9d4d0475febce5d411206cc5e2871b9a2f0aa6b148c7ddadd7efe3697f793119196a2629629acac113857545531b66
SHA1 hash: 367db999454248a63c717b609ccd431fd9c48bff
MD5 hash: 3b8d9ee891f37a48e570e079cec9b238
humanhash: carbon-december-nebraska-failed
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'227'879 bytes
First seen:2023-01-29 11:45:59 UTC
Last seen:2023-01-29 12:13:16 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'455 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:okug+DC09y9942jZcXkoxOuwPpcE/Vd2DLCgv2MR:hug+uuyfrsCuTEdsv2MR
TLSH T180A5334DA993D0BCD5214B753A2190C0CF26FEDB343D1019369B029E5AB16B16B72FFA
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 71f0e0ccccf0f0f0 (204 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 :
201
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-29 11:47:09 UTC
Tags:
installer
Link:
https://app.any.run/tasks/4e798b50-7789-43cd-8958-06580c8d9b33

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/357916/
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
Sending a custom TCP 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/63789/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d65c7d2d4f6d560e2388a9/reports/0bb7de20-ad75-4340-98a9-f0423afd0a67/overview
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/494fd105-3a60-487e-bfa9-b72ee0299cf0
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1161012
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 domain / URL
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: 793749 Sample: file.exe Startdate: 29/01/2023 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 domain / URL 2->52 54 Antivirus detection for URL or domain 2->54 56 6 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 finalrecovery.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49695, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49696, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49697, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...behaviorgraphLUVr1eIi.exe, PE32 17->30 dropped 21 GLUVr1eIi.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/4945a18d2ac9d20eaf0c50abdbf4aceb1fd72a1733efe6588d3ff28413a882bc/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-29 11:46:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 25 (60.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jfc2ddjkzhja5lymkcv5x5fm5mp5okqxgpx6mwenh7ziie5iqk6a._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230129-nxa2zsfb7v/
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
Checks computer location settings
Loads dropped DLL
Executes dropped EXE
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:
05fed2c9c5596e6b282eacc01ca9f84410c20b0a7c72154ca21409dd285efe3d
MD5 hash:
761fd746479b2c7f3d7503c0713887a0
SHA1 hash:
9f825db89afa30153be803ecf692f5fa60103e0d
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/1fefe773-d9c7-4c41-86f6-ff6b1c320c01/
SH256 hash:
67fc1edd2adc49516b9a0d25e49fc53a2c2ec97b53d13c60eeda76a219244366
MD5 hash:
20a34c1d79cf4ab33c502ab1117f0125
SHA1 hash:
6f5e7a94f2136dbbae295e57f577e017cf0137c1
Link:
https://www.unpac.me/results/1fefe773-d9c7-4c41-86f6-ff6b1c320c01/
SH256 hash:
6a5ac028ba83be3c090a1fcf8bbb93d4bef17f4f0efbc1b2eec1d75da597f2d0
MD5 hash:
9b4dc4a68f83674ac31c7cadf6b3c2a4
SHA1 hash:
3e7b35d839afb178000a90231e31f595c2d39339
Link:
https://www.unpac.me/results/1fefe773-d9c7-4c41-86f6-ff6b1c320c01/
SH256 hash:
4945a18d2ac9d20eaf0c50abdbf4aceb1fd72a1733efe6588d3ff28413a882bc
MD5 hash:
3b8d9ee891f37a48e570e079cec9b238
SHA1 hash:
367db999454248a63c717b609ccd431fd9c48bff
Link:
https://www.unpac.me/results/1fefe773-d9c7-4c41-86f6-ff6b1c320c01/
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/4945a18d2ac9d20eaf0c50abdbf4aceb1fd72a1733efe6588d3ff28413a882bc

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
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/357916/

Comments