MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 79679b1de141fbb079a86b0c962b9482119a47bf398212e482774ed821b25aad. 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: 79679b1de141fbb079a86b0c962b9482119a47bf398212e482774ed821b25aad
SHA3-384 hash: 88377bf1d9e366101506376f8fc2b47de57c7c56da61b4672428fef6d662056c6d2161f05aa1d366e57a94934d76bb45
SHA1 hash: fb822db23527516eb53991bc9e586131e5e9fa0c
MD5 hash: d7ecdd6198a2390ceeb7050da685e582
humanhash: kitten-butter-emma-april
File name:file
Download: download sample
Signature GCleaner
File size:2'009'270 bytes
First seen:2023-02-03 06:01:08 UTC
Last seen:2023-02-03 06:30:04 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:ygobycXs5uBEWAqgC9TH5NeipZxaI8EB3hGa1/LCgv2MR:To3pBEigC9TH5Nei4I88/1bv2MR
TLSH T141953385A1E11833F247E77965218814DFB37A6C287C0BE171EDF2168E272C0BD5EBA5
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon fcfcf8dafafefe00 (49 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 :
15
# of downloads :
197
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-03 06:01:56 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
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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
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:
96 / 100
Signature
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 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: 797621 Sample: file.exe Startdate: 03/02/2023 Architecture: WINDOWS Score: 96 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for submitted file 2->52 54 Detected unpacking (changes PE section rights) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 16 10->14         started        signatures6 process7 file8 34 C:\Program Files (x86)\...\finalrecovery.exe, PE32 14->34 dropped 36 C:\Users\user\AppData\Local\...\_shfoldr.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->38 dropped 40 6 other files (none is malicious) 14->40 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49696, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49697, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49698, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\4HmED2K.exe, PE32 17->30 dropped 21 4HmED2K.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2023-02-03 06:02:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 26 (50.00%)
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:
9b3ec9e6ba2219fbdd48c5f4831f77ab241e244575b48dca087dd946cfaa513a
MD5 hash:
2e0410fa4122807944d7159df907ce83
SHA1 hash:
0fce1a719bb2eb20c6de00475d65e70115e6e9f8
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
e9eecd5d95b06b2f06ec112f76bc8f851494bc74193ea8fb43179bd63a753902
MD5 hash:
cd37fc7ed5e4bd8b8c6a6d7fe133407d
SHA1 hash:
f9575417eb69e3b96d125e3e41013dede440a524
SH256 hash:
8e0d41f6a45697524ade8c7ca29715c5a5eda1a0a3c855de44ce34b2f7a6a8e8
MD5 hash:
353eef76f3fbb762045d6a402bb433b3
SHA1 hash:
b678b65f6778ba98b29f7f756ec6c06bfa52b88e
SH256 hash:
79679b1de141fbb079a86b0c962b9482119a47bf398212e482774ed821b25aad
MD5 hash:
d7ecdd6198a2390ceeb7050da685e582
SHA1 hash:
fb822db23527516eb53991bc9e586131e5e9fa0c
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