MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8db1731a7a729345d0185861d3909e68d431f57cfa4c7357eebedf7eeb39abcd. 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: 8db1731a7a729345d0185861d3909e68d431f57cfa4c7357eebedf7eeb39abcd
SHA3-384 hash: d5000821b77a5f980a1a08ad1466b900a8923fa12197aaf21f1d3d5538b014e7501ddc310da42521010f26c35c7e378d
SHA1 hash: 4348a03bb8828f2f4d116fda70104737709c2617
MD5 hash: fd2ea58822a2dadcd92e028fa4dc60c1
humanhash: minnesota-fillet-zebra-finch
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'139'877 bytes
First seen:2023-05-26 22:30:10 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash e92b45c54aa05ec107d5ef90662e6b33 (363 x GCleaner, 38 x Socks5Systemz, 3 x Backdoor.TeamViewer)
ssdeep 49152:yivM7YSFRsTgGK9/gV3Y4vmbMZH46Vm+xi0DAcVg6Bb+s8wuw:yi0sTtKUCbAHq0FbJp
Threatray 3'785 similar samples on MalwareBazaar
TLSH T1CCA53370F3E0523ED1A287318E18419E257BFD334C6B569437E86D5E4CAD6B1A60CB26
TrID 82.8% (.EXE) Inno Setup installer (109740/4/30)
10.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.4% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Generic Win/DOS Executable (2002/3)
1.5% (.EXE) DOS Executable Generic (2000/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
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 :
266
Origin country :
US US
Vendor Threat Intelligence
Malware family:
redline
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-26 22:31:07 UTC
Tags:
installer gcleaner rat redline loader
Link:
https://app.any.run/tasks/3955fb42-dc37-46e3-92a6-53053c0b4fe8

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/392283/
Detection(s):
PUA.Win.Packer.Overlay-1
Create hunting rule

SecuriteInfo.com.FileRepMalware.17312.13638.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
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
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/88060/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/64713327b4b30a3f7a6556e5/reports/589db4e8-3930-4f2f-9a82-5c7d36ca7714/overview
Verdict:
Malicious
Labled as:
Trojan/Malware
Link:
https://www.hybrid-analysis.com/sample/8db1731a7a729345d0185861d3909e68d431f57cfa4c7357eebedf7eeb39abcd
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.
Malware family:
Malicious Packer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/7d2a0283-7653-4c19-8f64-528e3607615c
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1243511
Signature
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 876520 Sample: file.exe Startdate: 27/05/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-64IMP.tmp, PE32 10->31 dropped 13 is-64IMP.tmp 10 23 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\...\unins000.exe (copy), PE32 13->37 dropped 39 5 other files (4 malicious) 13->39 dropped 16 Rec526.exe 20 13->16         started        process8 dnsIp9 41 45.12.253.56, 49694, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49695, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49696, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\5u6ZO.exe, PE32 16->29 dropped 20 5u6ZO.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8db1731a7a729345d0185861d3909e68d431f57cfa4c7357eebedf7eeb39abcd/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-05-26 22:31:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
14 of 24 (58.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rwyxggt2okjuluaylbq5hee6ndkdd5l47jghgv7ox3px52zzvpgq._file
Verdict:
unknown
Similar samples:
1e318a523cb5a76b7ca21cface9d2c638c1eb615ac4ed06f5eaca67ff0bba9a9
GCleaner
28298b9302a467ad92b509e1a961e5d98a5179f9cec7cebd1cfe50e844506a77
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2c735da73853ebc6bc1729c0d2ddabc4ac2d77dd6c88ec169bce9c141a4072a4
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5c295da5dcc1e6ca1ffbe68e78ea32cf99854f183c65ead50337d520444bdce6
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9bba213d8c710d947cbd8c68897d870e7d92772f0e030cdde4d606ee54851e5a
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b61891afdbd0f476b97f4f217550a659cc4501949d4bdd7c7965fb4c6d23d11a
GCleaner
c07572117f9dda3d61518694a205940da38d6d0baef87df01deacdefefe6fd81
GCleaner
ddb5ba02620ff537ab1fa4de5db434bd155fa3cc288d1a7e5c15422b493fdc81
GCleaner
e262e47a76916a2f919373cd4ba175953e9a81687ea27e03c4d5e998b65ee9b4
GCleaner
e5447818976ad7af2ae55ccee4baab64d2a76ce8bcd43654ca8361dc19c91ad4
GCleaner
+ 3'775 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230526-2fcq5shg91/
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
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
Gathering data
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8db1731a7a72/report/overview.html
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/8db1731a7a729345d0185861d3909e68d431f57cfa4c7357eebedf7eeb39abcd

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/392283/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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