MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a023f987e99a7456070beac92cb9e6a0b193b1578f79ab1b740524fcb3185b23. 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: a023f987e99a7456070beac92cb9e6a0b193b1578f79ab1b740524fcb3185b23
SHA3-384 hash: 77ebbb06154f7a13ab6c12bb357a7a73503a056406853b1e6cdd9bd315c0820909cded4276a988774c58d0f841ad2f40
SHA1 hash: eb866075bb3597ae2919df0acd567d3da38b4a0a
MD5 hash: f6d9d9d14c2894eb9ed874dc1ccdbfde
humanhash: paris-yankee-mango-lion
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'016'291 bytes
First seen:2023-01-18 13:12:12 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:k1dPOi4Bm0doV59wJEtFizY5Gar3eyBddB6gP:sdt0doVjwCPizY7ruu/B6y
TLSH T16F951251B0A09232E5C98E30A911996D95337D1CBEE0F20F2A957E9F7BBF2CF5909305
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 c1c0e0c88c8ccce8 (22 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 :
1
# of downloads :
222
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-18 13:13:45 UTC
Tags:
installer
Link:
https://app.any.run/tasks/ea71b2a5-b0eb-4011-964d-b7b620933d22

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/354162/
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/61223/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/63c7f05f81817f6f4dc48398/reports/e8051266-02a0-48ce-8d6e-50ded043a100/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/309891bf-8c38-4090-84ef-807acdf6de93
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1153852
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: 786585 Sample: file.exe Startdate: 18/01/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 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 18 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49698, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49699, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49700, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\OkG6r1F.exe, PE32 17->30 dropped 21 OkG6r1F.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/a023f987e99a7456070beac92cb9e6a0b193b1578f79ab1b740524fcb3185b23/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-18 13:13:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uar7tb7jtj2fmbyl5leszopgucyzhmkxr542wg3uauspzmyylmrq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230118-qf3f1sdh91/
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:
68c0ff1a9b403904e47935bbf9c08fe63fef22aa08f2a9603936da030105f11f
MD5 hash:
7448b626f1e35f97a5031cbf9f6ac31c
SHA1 hash:
435201247c3b26c6e2c81241ab5193d63f9fa04c
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/f1686427-1f10-426d-8eb1-a2a5fa05dfeb/
SH256 hash:
9b129ac548514fd833f9c40377d3c03123e25811820f7e80c6c1ad80675bceee
MD5 hash:
011f30924335193f47b04015900d9e0d
SHA1 hash:
26766ee3ddf2951f4cd5cdfef484844da9670b24
Link:
https://www.unpac.me/results/f1686427-1f10-426d-8eb1-a2a5fa05dfeb/
SH256 hash:
a023f987e99a7456070beac92cb9e6a0b193b1578f79ab1b740524fcb3185b23
MD5 hash:
f6d9d9d14c2894eb9ed874dc1ccdbfde
SHA1 hash:
eb866075bb3597ae2919df0acd567d3da38b4a0a
Link:
https://www.unpac.me/results/f1686427-1f10-426d-8eb1-a2a5fa05dfeb/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/a023f987e99a7456070beac92cb9e6a0b193b1578f79ab1b740524fcb3185b23

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/354162/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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