MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e40be4f6c3675c83ce2634b7a314f0fd59d7bcd1bbed67b743539ebd7215b18d. 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

SHA256 hash: e40be4f6c3675c83ce2634b7a314f0fd59d7bcd1bbed67b743539ebd7215b18d
SHA3-384 hash: 6cd2dbce42a7519f3c179b1221c0985bb0315530d301e1521c94222216eefc3cfa2544bdbd77452a8ddaa4326626c952
SHA1 hash: 140194605386c1a1cf6b1be27419481d6219644f
MD5 hash: 7f8f3f51b491229f485c22573287d2e1
humanhash: massachusetts-speaker-ink-item
File name:file
Download: download sample
Signature GCleaner
File size:2'017'750 bytes
First seen:2023-05-15 21:40:28 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash da86ff6d22d7419ae7f10724a403dffd (1'679 x GCleaner, 1 x Socks5Systemz)
ssdeep 49152:ATPcoqVJA2mh45+DAJTJW3D6HSE9opTC5AG5c8:AENmh4vTJWgo45Xc8
Threatray 3'124 similar samples on MalwareBazaar
TLSH T1CD95330091E27CBDE062AE708F1F41A14975B520E8BCB687365C8FD2BBFF195265835B
TrID 81.0% (.EXE) Inno Setup installer (109740/4/30)
10.4% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.3% (.EXE) Win32 Executable (generic) (4505/5/1)
2.2% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Generic Win/DOS Executable (2002/3)
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://45.12.253.74/pineapple.php?pub=mixinte

Intelligence


File Origin
# of uploads :
1
# of downloads :
297
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-05-15 21:42:37 UTC
Tags:
installer gcleaner

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 a custom TCP request
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
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 packed
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 867085 Sample: file.exe Startdate: 15/05/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-Q4DLT.tmp, PE32 10->31 dropped 13 is-Q4DLT.tmp 10 23 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 5 other files (4 malicious) 13->39 dropped 16 Rec515.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49683, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49684, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49686, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\Roaming\...\Vl0lO5.exe, PE32 16->29 dropped 20 Vl0lO5.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-05-15 21:41:10 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
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:
55e091a174b2ef42f87831eefb0cc8b0fb68563936f1528babc75249ea85989c
MD5 hash:
6668d1e51e01fc5af72d6320e9420b47
SHA1 hash:
285191467f7d96862eb28fc45033107f37b6aec5
Detections:
Nymaim win_nymaim_g0 win_gcleaner_auto
SH256 hash:
f76ec76613ac99c2074f64132072c35d87237c363c55656d6d40bb8b7fa2c801
MD5 hash:
951a2dd5698b7bedace9178c70a5c515
SHA1 hash:
e414aad262ba69251cc108132ff6fa67d4dfa3c6
SH256 hash:
757b0d6e0ad7d1bcb7be2f47a3b21b169fab9065c5c1b391eb44873b0a2d252b
MD5 hash:
8da0af0fa0887dfba258b8643837035c
SHA1 hash:
4187e67c23af3c22d24edeb7a8fb255baf5110ba
SH256 hash:
e40be4f6c3675c83ce2634b7a314f0fd59d7bcd1bbed67b743539ebd7215b18d
MD5 hash:
7f8f3f51b491229f485c22573287d2e1
SHA1 hash:
140194605386c1a1cf6b1be27419481d6219644f
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