MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 44a1ab87a4d549b51ac0c18f72cbad1e90cc54864973bbf160a1c459c73bb08b. 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: 44a1ab87a4d549b51ac0c18f72cbad1e90cc54864973bbf160a1c459c73bb08b
SHA3-384 hash: 9bd673a1d46c57c7eac59f9ceda6ce7d663247ce7131009353cb9b31a7f3af89e2074c7c2fb324231ae388fdacb99997
SHA1 hash: f390e163b13486843790d08bc16af9d5c149e9b2
MD5 hash: 818814f34a68d6a3ab335614dcb7ad23
humanhash: fillet-north-zebra-nine
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'523'979 bytes
First seen:2022-10-24 11:01:13 UTC
Last seen:2022-10-24 11:29:32 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2gFmNITUdXimaQEOf8wjtX6ATZquQ8XhCA5hq:Mr6KiZipX6ATZyE5Dq
TLSH T13BC53371CBE8DD71E4A0DEF8A5788D7446FF20B20C783528E5C9869E557B293582C3E1
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 :
16
# of downloads :
199
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-24 11:01:58 UTC
Tags:
installer
Link:
https://app.any.run/tasks/344cd286-26b1-4265-8fc5-0d1ae95b32da

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/323345/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
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
Moving a file to the %AppData% subdirectory
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
Sending an HTTP GET request to an infection source
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:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/75884a6a-7feb-476b-9c6c-fc9cf56232ad
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1096430
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
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 729071 Sample: file.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-2KHGL.tmp, PE32 10->31 dropped 13 is-2KHGL.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 etsearcher58.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49697, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49698, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49696, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\dl5f0f.exe, PE32 16->29 dropped 20 dl5f0f.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/44a1ab87a4d549b51ac0c18f72cbad1e90cc54864973bbf160a1c459c73bb08b/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-24 11:16:38 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
21 of 26 (80.77%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=isq2xb5e2ve3kgwayghxfs5nd2imyvegjfz3x4lauhcftrz3wcfq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221024-m443zagccp/
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:
974de621ab2e9ec15ec5666ce6eeb8c4a5b79c36f0bfc248dcfd5c85caf40ff6
MD5 hash:
173af8bf087d12930f0bc0c673eee56f
SHA1 hash:
7cba295fb883dd041830efe3454c08e4abded05c
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/50674459-eeca-4eda-bbbe-0b2bf4862cec/
SH256 hash:
7833a35ae8295d5e8ec6544703b203ad011b24bd87cc94184a35f3ba52052861
MD5 hash:
451e4ec3721072e7b3edbf471def865b
SHA1 hash:
f708ec4c3ddd168b3fefd24844447a877e192f97
Link:
https://www.unpac.me/results/50674459-eeca-4eda-bbbe-0b2bf4862cec/
SH256 hash:
4a73b97fbbb1f6bf0b87190e8ff2da0210f49e7f8a3981ef5ad949179c6ad6c9
MD5 hash:
17ad5cc56a2d03de49096f3ef5ffc41e
SHA1 hash:
83df29dd808a159808dc3a8855dfa2a039c61d6d
Link:
https://www.unpac.me/results/50674459-eeca-4eda-bbbe-0b2bf4862cec/
SH256 hash:
44a1ab87a4d549b51ac0c18f72cbad1e90cc54864973bbf160a1c459c73bb08b
MD5 hash:
818814f34a68d6a3ab335614dcb7ad23
SHA1 hash:
f390e163b13486843790d08bc16af9d5c149e9b2
Link:
https://www.unpac.me/results/50674459-eeca-4eda-bbbe-0b2bf4862cec/
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/44a1ab87a4d549b51ac0c18f72cbad1e90cc54864973bbf160a1c459c73bb08b

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/323345/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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