MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 23f623473df0c2afb5ff5749fc54104db2fad645615623801fddbb376ba82a26. 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
| SHA256 hash: | 23f623473df0c2afb5ff5749fc54104db2fad645615623801fddbb376ba82a26 |
|---|---|
| SHA3-384 hash: | fa5c7fa4a2e7a9995e0157568367ea5cb17e132ccef9a92facbc33ae0515608afaa7475e57c9b4cc3f78c69ea396d365 |
| SHA1 hash: | 3a1780eba036db9a777a084ecd7160285b96ca29 |
| MD5 hash: | 067277a0342b6902050e386c012e0b3c |
| humanhash: | bakerloo-october-freddie-maine |
| File name: | file |
| Download: | download sample |
| Signature | GCleaner |
| File size: | 3'196'711 bytes |
| First seen: | 2023-02-15 21:31:50 UTC |
| Last seen: | 2023-02-15 22:13:30 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'449 x Socks5Systemz, 262 x RaccoonStealer) |
| ssdeep | 49152:rdHkcP0OITnZPBWTFOsIiONom4Hp0LHVaVzNAPAmeZHvhjvoVAkdvStQksY+eveM:JHkUImssmmm4HaHkIobPmGQavyAv2MR |
| TLSH | T124E5127CB145D5ADC680BDB48C3A98E74CDB6EE7E9E4A06270DDBF3F51B92484A09103 |
| TrID | 71.9% (.EXE) Inno Setup installer (109740/4/30) 9.2% (.EXE) Win32 Executable Delphi generic (14182/79/4) 8.5% (.SCR) Windows screen saver (13097/50/3) 2.9% (.EXE) Win32 Executable (generic) (4505/5/1) 1.9% (.MZP) WinArchiver Mountable compressed Archive (3000/1) |
| File icon (PE): |  |
| dhash icon | 14b0b0fceeaa3b18 (363 x GCleaner) |
| Reporter |  andretavare5 |
| Tags: | exe gcleaner |
Intelligence
File Origin
# of uploads :
12
# of downloads :
229
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-15 21:34:00 UTC
Tags:
installer
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
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 in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Modifying a system file
Creating a file in the %AppData% subdirectories
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
greyware installer overlay packed shell32.dll
Verdict:
Malicious
Labled as:
Downloader/BeamWinHTTP
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.
Verdict:
Malicious
Result
Threat name:
Nymaim
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Behaviour
Behavior Graph:
n/a
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-15 21:32:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
18 of 25 (72.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
10/10
Tags:
family:gcleaner discovery loader
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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
45.12.253.72
45.12.253.98
45.12.253.75
Unpacked files
SH256 hash:
575bc81d1475342214a967c781498022791f7c793bb51964d6fee47eb561e884
MD5 hash:
9c45aa85f34a21e70b4bec9c1d64ec73
SHA1 hash:
5b8fa4bd64fe93036abfa955bbd4c9d2735c3c77
Detections:
win_nymaim_g0
Nymaim
win_gcleaner_auto
SH256 hash:
973f195649928814e2d6bc56ec6c044b24f93e44ea6bfa8398c0b59c6ce248f4
MD5 hash:
6991bf5c013ad8bf9e99044618f77358
SHA1 hash:
5f2566b2709545653b2b1c8b4b020f0fba842b59
SH256 hash:
23f623473df0c2afb5ff5749fc54104db2fad645615623801fddbb376ba82a26
MD5 hash:
067277a0342b6902050e386c012e0b3c
SHA1 hash:
3a1780eba036db9a777a084ecd7160285b96ca29
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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 |
|---|---|
| Author: | The DFIR Report |
| Description: | files - file ~tmp01925d3f.exe |
| Reference: | https://thedfirreport.com |
| Rule name: | shellcode |
|---|---|
| Author: | nex |
| Description: | Matched shellcode byte patterns |
| 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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