MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a76e95d36b5d559a64299a1f9779ff165b8c9609b84c8193e870401a491e519c. 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

SHA256 hash: a76e95d36b5d559a64299a1f9779ff165b8c9609b84c8193e870401a491e519c
SHA3-384 hash: 8e573259aaeabd6d4aa76d48c908c62bf9c24b42c1777abe45d0af982cd5421bff1cb4e4683db1b832d9e9afec5aa464
SHA1 hash: 8752dcdeeb0053f14e917d44b467515703cab602
MD5 hash: e868098dc13488d3aad7e6ea0a8c37bf
humanhash: lamp-south-pennsylvania-hamper
File name:file
Download: download sample
Signature GCleaner
File size:2'590'287 bytes
First seen:2022-10-30 00:45:44 UTC
Last seen:2022-10-30 01:14:06 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:Z2ll/m9ygUwA4QzL2w3l5kS/dWeTbwXs+7j6HaaIkxSA5hq:Mll/m9yB9iSTPdWEbwXpj6nf/Dq
TLSH T1A1C5331AC5BA8A36D859D57A3C2E4D31D2FE357618BEE427B38CAACE0D3E641440435F
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 :
11
# of downloads :
512
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-30 00:47:53 UTC
Tags:
installer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a file in the system32 subdirectories
Sending a custom TCP request
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 process
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
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
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
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.
Result
Threat name:
Unknown
Detection:
suspicious
Classification:
n/a
Score:
30 / 100
Signature
Machine Learning detection for dropped file
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 733754 Sample: file.exe Startdate: 30/10/2022 Architecture: WINDOWS Score: 30 25 Machine Learning detection for dropped file 2->25 7 file.exe 2 2->7         started        process3 file4 15 C:\Users\user\AppData\Local\...\is-NE583.tmp, PE32 7->15 dropped 10 is-NE583.tmp 16 25 7->10         started        process5 file6 17 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 10->17 dropped 19 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 10->19 dropped 21 C:\...\unins000.exe (copy), PE32 10->21 dropped 23 4 other files (2 malicious) 10->23 dropped 13 fdsearcher63.exe 10->13         started        process7
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2022-10-30 00:46:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
18 of 26 (69.23%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:nymaim discovery trojan
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:
da09973a9875aa44ec1f43ba1e3712819f4e5afb91cbdf64abf30f942e4fe085
MD5 hash:
515311cc9008e3db92a3122159ecbc6c
SHA1 hash:
19acaa2bf89b7612ea651ea2bfcbdf42283970a6
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
e3ab9be293fadcffafc113a4edc144cf943898ec2ed2f82f2b2b69487c7e86ac
MD5 hash:
d9679938a8140be84a0c5cc8a245717b
SHA1 hash:
ab4400fc4478f2f68196801d0650f4b63fbb374d
SH256 hash:
a76e95d36b5d559a64299a1f9779ff165b8c9609b84c8193e870401a491e519c
MD5 hash:
e868098dc13488d3aad7e6ea0a8c37bf
SHA1 hash:
8752dcdeeb0053f14e917d44b467515703cab602
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:win_gcleaner_auto
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

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