MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 64973c872efccb5a775192d317ba1667f8a3e6095500a14bb8cc52c9caa463d7. 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: 13


Intelligence 13 IOCs YARA 3 File information Comments

SHA256 hash: 64973c872efccb5a775192d317ba1667f8a3e6095500a14bb8cc52c9caa463d7
SHA3-384 hash: f6075cd605a1500067b84679339da3f72fb49210aea317300b173cef7c8ec9cd226d9d23785947e8474924b042bd8ce8
SHA1 hash: d6df67dc0ac85c3f390788f70e6a63619384ea67
MD5 hash: c5aad3a7becb73c7593c3eb863a2dc52
humanhash: asparagus-robin-asparagus-double
File name:file
Download: download sample
Signature GCleaner
File size:1'799'466 bytes
First seen:2023-01-24 15:47:23 UTC
Last seen:2023-01-24 16:14:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'458 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ZGLBetjJrBb7UCm37fhxUqvU0emUvLCgv2MR:gL8tj7UJfhu+OLv2MR
TLSH T15E853302D6F44172D5939FB6D83A8F02DA677F220730A10D346C2B0F5F5AFA455AA7B1
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 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 :
12
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-24 15:56:24 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
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
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:
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:
92 / 100
Signature
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 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: 790772 Sample: file.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 92 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Multi AV Scanner detection for submitted file 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 4 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49703, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49704, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49705, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\...\95saRsOrH9ax.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 95saRsOrH9ax.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:
Suspicious
First seen:
2023-01-24 16:28:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 39 (48.72%)
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 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
Loads dropped DLL
Executes dropped EXE
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:
1fea00f474a429987ec164e9424629fd031d1696a0a764219a0fdfb3c5c32df5
MD5 hash:
d3975a0826ec88125c0d27ed56dce1b1
SHA1 hash:
3f9f885b0930728baf2cf3da7a97f18d831b535f
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
4a73b97fbbb1f6bf0b87190e8ff2da0210f49e7f8a3981ef5ad949179c6ad6c9
MD5 hash:
17ad5cc56a2d03de49096f3ef5ffc41e
SHA1 hash:
83df29dd808a159808dc3a8855dfa2a039c61d6d
SH256 hash:
da80cd9d5356c12cab443976067862ff49af8d35a93b992ab05bbbe325a3f9d2
MD5 hash:
ef0ee15401f5e8e511bb6ccc167e73ed
SHA1 hash:
539afef58a1b2ab050f2d0d29a681448a3e5a37f
SH256 hash:
64973c872efccb5a775192d317ba1667f8a3e6095500a14bb8cc52c9caa463d7
MD5 hash:
c5aad3a7becb73c7593c3eb863a2dc52
SHA1 hash:
d6df67dc0ac85c3f390788f70e6a63619384ea67
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