MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 31c870d3fa13086da9b127b178b97a2e461747fd068917a3cf79ca90b4bebce7. 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: 31c870d3fa13086da9b127b178b97a2e461747fd068917a3cf79ca90b4bebce7
SHA3-384 hash: 4f937e7030346387e0458ddb4d54fdd09b5d8a26e8582df4a3e97df76fd2e6b53d731005f2ae1450d01b53271b52ac8f
SHA1 hash: b3ee3aada7aabf3674b54365ddef2a6104533ff2
MD5 hash: 7a43b46c584c4f5afbe1723de5d0d2c1
humanhash: summer-bulldog-spaghetti-rugby
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'872'900 bytes
First seen:2023-01-26 19:16:25 UTC
Last seen:2023-01-26 19:44:12 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:okug+IEXbfodTNg0BEUP70Fld9xxn46+OgyluNLCgv2MR:hug+IGoJg0B8FW6+OnluRv2MR
TLSH T16385338EE4D146BDE426CABB383055809F7BED97347D1502328F13ED3E973A06D68689
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 :
16
# of downloads :
193
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-26 19:18:28 UTC
Tags:
installer
Link:
https://app.any.run/tasks/309ce566-d265-47ca-8135-d72ecd012679

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/357199/
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
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 tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63275/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/63d2d1af447edb203a013ae3/reports/3012cd38-3cef-4a2d-b92a-ef4ea27ac1da/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/a5d5adf2-b76e-4fbb-bf75-977d52890597
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1159791
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 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: 792528 Sample: file.exe Startdate: 26/01/2023 Architecture: WINDOWS Score: 92 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 4 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->31 dropped 57 Obfuscated command line found 10->57 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->37 dropped 39 6 other files (5 malicious) 14->39 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49696, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49697, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49698, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\wlfhx1c1G.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 wlfhx1c1G.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/31c870d3fa13086da9b127b178b97a2e461747fd068917a3cf79ca90b4bebce7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-26 19:17:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ghehbu72cmeg3knre6yxrol2fzdbor75a2erpi6pphfjbnf6xttq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230126-xzcg9sgc5x/
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:
0e88af3cd29c0653c3b7fea7d24e73dde824520f1a2167faec3320cb4a3c312e
MD5 hash:
c2c7e0aa966db3ac0e1ed718855240a7
SHA1 hash:
1d0fd0b6f82abc619940875cc0810e3bdb6a9e3d
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/6fed0c34-903d-4f8b-946f-abcfa6a235de/
SH256 hash:
c06706186d2f15f9b97bd4f9ca8b19df4f1571b1a9bfb496685a3b5c6d092b02
MD5 hash:
b0f5623b5f37a2157798db7f549b2ec0
SHA1 hash:
b069b414f4287183296cf404c3120110c6fa7ab3
Link:
https://www.unpac.me/results/6fed0c34-903d-4f8b-946f-abcfa6a235de/
SH256 hash:
31c870d3fa13086da9b127b178b97a2e461747fd068917a3cf79ca90b4bebce7
MD5 hash:
7a43b46c584c4f5afbe1723de5d0d2c1
SHA1 hash:
b3ee3aada7aabf3674b54365ddef2a6104533ff2
Link:
https://www.unpac.me/results/6fed0c34-903d-4f8b-946f-abcfa6a235de/
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/31c870d3fa13086da9b127b178b97a2e461747fd068917a3cf79ca90b4bebce7

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/357199/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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