MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6271354e0c53ac63b183849b910a637dc6965d82a559d0395978d63666c559d6. 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: 6271354e0c53ac63b183849b910a637dc6965d82a559d0395978d63666c559d6
SHA3-384 hash: 455b0fd09b33394f6bd1acd6c6d8e396dfde9f4ebbebbbec64349a16bca106e592b47f453448039a8db866184f0ce8b7
SHA1 hash: 805f430b20a5e98ea47a4776d549c3e7b15ee22d
MD5 hash: 13ac6a5ef66f3408af09ab5217cedb84
humanhash: wisconsin-oscar-nevada-victor
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'453'308 bytes
First seen:2022-10-28 00:45:32 UTC
Last seen:2022-10-28 00:59:58 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:Z2e8HSrI2HbcVWP6D3HsuN9ytgvSoQ7hrWor0iXOmyMJNsdUA5hq:MLHSrIGm9DzrhyJWorD/ynZDq
TLSH T10CB53326A7988070C027C7792D66C51D6EF0683AAD722D39792D48D9CF70BD38C667F8
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
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://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
7
# of downloads :
290
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 00:56:28 UTC
Tags:
installer
Link:
https://app.any.run/tasks/9167bdf2-f8b2-40c9-aec3-09cd28b242e0

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/325289/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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/46198/overview
Behaviour
MalwareBazaar
CheckCmdLine
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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/8fd521d8-9224-4bfb-99ee-84e4f575b5de
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1099981
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 domain / URL
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 732641 Sample: file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 96 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Detected unpacking (changes PE section rights) 2->55 57 4 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-7QIS4.tmp, PE32 10->31 dropped 13 is-7QIS4.tmp 16 25 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 4 other files (2 malicious) 13->39 dropped 16 ezsearcher61.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49698, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49699, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49697, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\dKMPURoW.exe, PE32 16->29 dropped 20 dKMPURoW.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6271354e0c53ac63b183849b910a637dc6965d82a559d0395978d63666c559d6/
Threat name:
Win32.Trojan.Cerbu
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 01:26:49 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
12 of 42 (28.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mjytktqmkowghmmdqsnzcctdpxdjmxmcuvm5aokzpdldmzwflhla._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221028-a4msgaedhk/
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
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Unpacked files
SH256 hash:
95ace160e720412db3eb4af08b4fa51d5a78c98814622c0ff4a139bdfa97260b
MD5 hash:
e6e91afbc27ef93884d8def7cb15f538
SHA1 hash:
2bab05862a54fc0d72741e5300311761f5664689
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/939066a4-8a5a-4497-9a48-aa4b90631138/
SH256 hash:
a7d77b06115f8b27b5c5f717f5ef5f8de01a9749fa7fba90db2592acb154a7c7
MD5 hash:
4daec24bb0172b68a11c90fe9eaf042b
SHA1 hash:
fa49108db866c9168a8e981832d3dce2e74b2b3a
Link:
https://www.unpac.me/results/939066a4-8a5a-4497-9a48-aa4b90631138/
SH256 hash:
2a0b4d3891eb800a4f861673beb09badce03e41a47571bc51e76370ab5b43c1e
MD5 hash:
d4f3e77a5a194b4d0ec8177d0da31812
SHA1 hash:
c8045b320a9e5faadcedfb40df148e77f0d186a5
Link:
https://www.unpac.me/results/939066a4-8a5a-4497-9a48-aa4b90631138/
SH256 hash:
6271354e0c53ac63b183849b910a637dc6965d82a559d0395978d63666c559d6
MD5 hash:
13ac6a5ef66f3408af09ab5217cedb84
SHA1 hash:
805f430b20a5e98ea47a4776d549c3e7b15ee22d
Link:
https://www.unpac.me/results/939066a4-8a5a-4497-9a48-aa4b90631138/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/6271354e0c53ac63b183849b910a637dc6965d82a559d0395978d63666c559d6

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
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/325289/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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