MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 309bb21a0544bad1d7f4389ffda2d36bf3ee0aa49155980cce24770923aa839c. 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: 309bb21a0544bad1d7f4389ffda2d36bf3ee0aa49155980cce24770923aa839c
SHA3-384 hash: 1c6737a009baf540b7253f94850894681eac85b18d29ec29189421dc5b000e9625c0779a5ed308b79a92538e852f7c17
SHA1 hash: 5c874fc7825ba86ee8ec3304f2d299cb8e6d23b6
MD5 hash: 985475e913065cc9a2bc2130f74d8c35
humanhash: cold-india-twenty-alanine
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'352'971 bytes
First seen:2023-02-01 02:01:40 UTC
Last seen:2023-02-01 02:29:19 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'456 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:C2LOup1Nkjq3VEysTrRh/iO58/6lL1hY8VQuWRtUfBRC/LCgv2MR:dRsj5rph6O58/6XC2QbUybv2MR
TLSH T10AB533C1B9C19E3BF08B5BB14E656046DEB2BE5A30787004A25DB00E177F2D0696F79B
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon a4d6caeab2928ed4 (97 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 :
14
# of downloads :
218
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-01 02:01:58 UTC
Tags:
installer
Link:
https://app.any.run/tasks/74c99212-4f0b-440a-88ca-dc73caff528e

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/358825/
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
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/64370/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d9c81a89bd67c10fdbebc0/reports/aeee9761-8ce4-4ce7-9fd1-a64842c8cd8b/overview
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ddc96e05-aae9-46a4-a041-eddabd082d27
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1162845
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: 795600 Sample: file.exe Startdate: 01/02/2023 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49708, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49709, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49710, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\Bg63h.exe, PE32 17->30 dropped 21 Bg63h.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/309bb21a0544bad1d7f4389ffda2d36bf3ee0aa49155980cce24770923aa839c/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-01 02:09:38 UTC
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gcn3egqfis5ndv7uhcp73iwtnpz64cvesfkzqdgoer3qsi5kqooa._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230201-cf43ysbd75/
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
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:
18e20ec76585bd1a29e96c6d818fe903b3912bfeeee6710dd0034c1b12523496
MD5 hash:
3282b741b107da1b976c9fdc4b210948
SHA1 hash:
52c283c147cfed1bb381ab11fd62f9c4ebd7f733
Detections:
Nymaim
Create hunting rule
Link:
https://www.unpac.me/results/9f516495-adb9-423f-9b04-5754ee31d8e5/
SH256 hash:
29667dfc18b5e0b4fcf1660b683717f7a35f05082f09d004b90dd0963cb989fa
MD5 hash:
5546ebecfbad7d943738a96e62e5bf94
SHA1 hash:
c3cb82b7a2a7530d3a64041da46894fdd1e999e9
Link:
https://www.unpac.me/results/9f516495-adb9-423f-9b04-5754ee31d8e5/
SH256 hash:
6b2c5e4d637d07769d5aa717331d878fb0ec69d6a9ffa1c13eec62d269438f63
MD5 hash:
fea2ddebe3d7ed96976cc689aaca45f8
SHA1 hash:
85c6148dff71834ee1f00104b1c70970377de05d
Link:
https://www.unpac.me/results/9f516495-adb9-423f-9b04-5754ee31d8e5/
SH256 hash:
393c5ff6feadfbdb8931f0a58d37d0e5530c55d9e7eb6fd6aa731104ce8d09ba
MD5 hash:
a6bedd75859f092b17c7668c9580204b
SHA1 hash:
6812886b773fbf35f9a6b5c482fa82247940c7b1
Link:
https://www.unpac.me/results/9f516495-adb9-423f-9b04-5754ee31d8e5/
SH256 hash:
309bb21a0544bad1d7f4389ffda2d36bf3ee0aa49155980cce24770923aa839c
MD5 hash:
985475e913065cc9a2bc2130f74d8c35
SHA1 hash:
5c874fc7825ba86ee8ec3304f2d299cb8e6d23b6
Link:
https://www.unpac.me/results/9f516495-adb9-423f-9b04-5754ee31d8e5/
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/309bb21a0544bad1d7f4389ffda2d36bf3ee0aa49155980cce24770923aa839c

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/358825/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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