MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a75d423320fd96f2702fc780f438337c7b3e1754b0ee590a021cf8b3094ef87. 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: 4a75d423320fd96f2702fc780f438337c7b3e1754b0ee590a021cf8b3094ef87
SHA3-384 hash: 2ff9ee664d8cb24925ee47a6c4b40d2a566f69742b3c747abbe3349e33c8835464641d6d98d34a8a792ba7b7949b6297
SHA1 hash: b2ac167eacdd584b712d5460f91365168addbd65
MD5 hash: b2c6b3363df999810d16e871f5124581
humanhash: fifteen-happy-spaghetti-arkansas
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'562'029 bytes
First seen:2022-10-28 17:32:32 UTC
Last seen:2022-10-28 17:59:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2P/vOk2Cz2bnnZ9wRmTb0YtY1UBX8gjjMh8+V/B5c8wmbNczX5z9Ap0cnWfA5hq:Mfd2w2zPww0YY1CX8OcV/TRwmW1zBqWt
TLSH T13EC5331252DAD5B1C4719CBC0D7D19D2D8612CAA4E39FA323FFCC86C0FA5242AC55BE6
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 :
9
# of downloads :
347
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-28 17:34:38 UTC
Tags:
installer
Link:
https://app.any.run/tasks/2d5da49b-c771-4aa0-9954-f9cdfba26a30

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/325594/
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
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/46405/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/635c124f9b9bf84bf679c4c9/reports/f6f173b5-28d9-4d92-9ca8-05aa370910a4/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/144aadd8-6069-4741-8842-b1f3165c84b7
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1100526
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)
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: 733187 Sample: file.exe Startdate: 28/10/2022 Architecture: WINDOWS Score: 92 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 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-HRSRD.tmp, PE32 10->31 dropped 13 is-HRSRD.tmp 16 25 10->13         started        process6 file7 33 C:\Program Files (x86)\...\fbsearcher62.exe, PE32 13->33 dropped 35 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->37 dropped 39 4 other files (none is malicious) 13->39 dropped 16 fbsearcher62.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49693, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49694, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49692, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\wccaEoqVAD.exe, PE32 16->29 dropped 20 wccaEoqVAD.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/4a75d423320fd96f2702fc780f438337c7b3e1754b0ee590a021cf8b3094ef87/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-28 18:19:06 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jj25iizsb7mw6jyc7r4a6q4dg7d3hylvjmholefaehhywmeu56dq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221028-v4t7rsghhn/
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
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/f90f050f-91d1-4a18-bd80-8c69ae6b69a3
Unpacked files
SH256 hash:
e4f936eec5e2c3a2bb9322953e0225e84b052a832f9c5e3f9c0389ed9af9838c
MD5 hash:
35984f9c8b88fe960e1e8957e7327320
SHA1 hash:
17b834955d6824f22613eb80922e221c85a3e554
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/66f37b88-9189-432d-8993-d01d6b832311/
SH256 hash:
323f555793af5bb8c5cae0e655fa2104c638c9bea480f52261ee2e0501476561
MD5 hash:
a4a65b014344fcce064412bc59ff6881
SHA1 hash:
9c35f49f2c6b11fe35d5428e5cef7cc4409b453c
Link:
https://www.unpac.me/results/66f37b88-9189-432d-8993-d01d6b832311/
SH256 hash:
cc6b88c9274036287d4fd56cd93339f761374cc40e62ea01f17a427ddfe808c4
MD5 hash:
af57c1aedde6bd82c0cd80b59335a733
SHA1 hash:
76b9b98b2329c0372364e81b86f3a0ffb1463fcc
Link:
https://www.unpac.me/results/66f37b88-9189-432d-8993-d01d6b832311/
SH256 hash:
4a75d423320fd96f2702fc780f438337c7b3e1754b0ee590a021cf8b3094ef87
MD5 hash:
b2c6b3363df999810d16e871f5124581
SHA1 hash:
b2ac167eacdd584b712d5460f91365168addbd65
Link:
https://www.unpac.me/results/66f37b88-9189-432d-8993-d01d6b832311/
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/4a75d423320fd96f2702fc780f438337c7b3e1754b0ee590a021cf8b3094ef87

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/325594/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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