MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76c785a6f158f0e773124586226017b2a15ec7628f6258929c13a4c0e96c145b. 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: 15


Intelligence 15 IOCs YARA 3 File information Comments

SHA256 hash: 76c785a6f158f0e773124586226017b2a15ec7628f6258929c13a4c0e96c145b
SHA3-384 hash: f3a0b22f02341c59982f47663cf8e9615ec60693355772b8bea7e32d6cf5356db80ee3e374977c35c4122949c60823f0
SHA1 hash: e197180016ea86f2e18910dbafc41b30f4755be6
MD5 hash: 2beb9d81e125e705e43d8cee13465cb6
humanhash: connecticut-finch-louisiana-carolina
File name:file
Download: download sample
Signature GCleaner
File size:2'098'764 bytes
First seen:2023-02-06 23:46:33 UTC
Last seen:2023-02-07 00:12:31 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:nZGK4iOkQfGkzOFG+ze6cOcQLK7wtWh4RV29z65VhgbLCgv2MR:ZGK4i++kzci6bHK801uLgPv2MR
TLSH T10BA52344A595C0F2D386CF31CEAD44FA7C277D26E8A56023759D3F8D7A7218CAA2E311
TrID 68.9% (.EXE) Inno Setup installer (109740/4/30)
8.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
8.2% (.SCR) Windows screen saver (13097/50/3)
4.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon fcfcfcc4ecfcfe00 (51 x GCleaner)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
13
# of downloads :
191
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-06 23:52:54 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 %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for the window
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
Sending a custom TCP 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:
No Threat
Threat level:
  2/10
Confidence:
80%
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:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
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
Multi AV Scanner detection for submitted file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 800056 Sample: file.exe Startdate: 07/02/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Antivirus detection for URL or domain 2->51 53 Multi AV Scanner detection for dropped file 2->53 55 6 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->31 dropped 57 Obfuscated command line found 10->57 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->37 dropped 39 6 other files (5 malicious) 14->39 dropped 17 FRec26.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49702, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49703, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49704, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\ABZgZ1ng5FWsm.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 ABZgZ1ng5FWsm.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-06 23:47:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
gcleaner
Score:
  10/10
Tags:
family:gcleaner discovery loader
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
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
Unpacked files
SH256 hash:
ecc09734b59b0c6e436f36db8687c8245977308314bd7c376440b145118ddc1e
MD5 hash:
79f22fc7fb9d155f2ef3ae67ecbc159a
SHA1 hash:
083144ed5d6d02530a332091c5721acf9e10da37
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
9cd82cb00206f8943b96d56411e40f53689189be8a7099553f9bdb0f20427859
MD5 hash:
70ec05da46b7d17c53f07f3f34ba6666
SHA1 hash:
6524f4ff6f52bfa8048ed60991890e59a358c6c9
SH256 hash:
76c785a6f158f0e773124586226017b2a15ec7628f6258929c13a4c0e96c145b
MD5 hash:
2beb9d81e125e705e43d8cee13465cb6
SHA1 hash:
e197180016ea86f2e18910dbafc41b30f4755be6
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: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

Comments