MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f1f28efb76455e81a04e96468fcdeaecc80436f87cb5ea23609c0962e623bda7. 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: f1f28efb76455e81a04e96468fcdeaecc80436f87cb5ea23609c0962e623bda7
SHA3-384 hash: 8f18be0d24982298bebf9c7b611b64cbc980c8ae10a49414a9c61dcd8fac7c709dbf5f4b77b61bf67a55b48505f81c38
SHA1 hash: b057fe4cff6ee5e0f54411a461074fdbaa3db558
MD5 hash: 5275cecf732408decbea7dc5b99a5257
humanhash: nevada-lion-alanine-fix
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'682'847 bytes
First seen:2023-02-08 20:45:19 UTC
Last seen:2023-02-08 21:13:13 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:rdH50UBKPfNVMPsrZi5hYkzWM5jb1rkVlxZrucj7XBQ7i9DRLCgv2MR:JH50UBK9VMPsVah9zWMtI4+XBMiHv2MR
TLSH T1B1C5123C7545C86DC290BEB88C2AD8E71CDB6EE3E5A4A02270DD7F3F95791849B1A107
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 14b0b0fceeaa3b18 (363 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 :
11
# of downloads :
203
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-08 20:45:56 UTC
Tags:
installer
Link:
https://app.any.run/tasks/ca3f84d1-f2df-4b85-86a6-ad2bbbdeb7ac

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/362303/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/66760/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/63e40a0cfc4dffab0ccf3fdc/reports/11001b28-1d6d-40f5-a465-0c12d80202ce/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/f1f28efb76455e81a04e96468fcdeaecc80436f87cb5ea23609c0962e623bda7
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/745e3b62-94df-4e58-8a34-be53e22336be
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
84 / 100
Link:
https://www.joesandbox.com/analysis/1169249
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
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: 802038 Sample: file.exe Startdate: 08/02/2023 Architecture: WINDOWS Score: 84 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Detected unpacking (changes PE section rights) 2->51 53 Detected unpacking (overwrites its own PE header) 2->53 55 3 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 17 17 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->37 dropped 39 7 other files (6 malicious) 14->39 dropped 17 FRec28.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49685, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49686, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49687, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\Wqco89Uixghnok.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 Wqco89Uixghnok.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/f1f28efb76455e81a04e96468fcdeaecc80436f87cb5ea23609c0962e623bda7/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-08 20:46:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6hzi563wivpidicoszdi7tpk5teainxyps26ui3atqewfzrdxwtq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230208-zkafgafd4t/
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
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:
6355b6483e7d1cd9a9d273776df494e0046a19c8d9577d6ca41851587ec92796
MD5 hash:
21b9d960ea89a8675e6a19fc61d58105
SHA1 hash:
67df1d4e5930e262420f5a45bed3bf0a9e4e3f98
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/eebb38c8-6cb0-4a20-99da-8619a11bc2e7/
SH256 hash:
a74f426dd3dd8dad9a33a4bc72bd2494601087c82ab417404c29a1dca896e07f
MD5 hash:
96f806670df238e36e4533794d391f09
SHA1 hash:
60b9b8c0fc15504722b799da5910879d821c7089
Link:
https://www.unpac.me/results/eebb38c8-6cb0-4a20-99da-8619a11bc2e7/
SH256 hash:
6b6dd7fd427f160a3a49311d85072fe8bac60f71aa74b7c63c9122230942a4c3
MD5 hash:
8506563963e4c10bc14d0a36ee0fd7c7
SHA1 hash:
2d8735c604d203daf2949a26cd08f854127a850e
Link:
https://www.unpac.me/results/eebb38c8-6cb0-4a20-99da-8619a11bc2e7/
SH256 hash:
f1f28efb76455e81a04e96468fcdeaecc80436f87cb5ea23609c0962e623bda7
MD5 hash:
5275cecf732408decbea7dc5b99a5257
SHA1 hash:
b057fe4cff6ee5e0f54411a461074fdbaa3db558
Link:
https://www.unpac.me/results/eebb38c8-6cb0-4a20-99da-8619a11bc2e7/
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/f1f28efb76455e81a04e96468fcdeaecc80436f87cb5ea23609c0962e623bda7

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/362303/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments