MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 58a1a515f3c531cf7632d870376e681cfcb6bc7ecad08b7d6526ec8ac5d99b8d. 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: 58a1a515f3c531cf7632d870376e681cfcb6bc7ecad08b7d6526ec8ac5d99b8d
SHA3-384 hash: 5f14fdacf01f072cf6041cd1b953ccdd8fbd65767f6067826e9183f27ef48f82b7b1e26d4c93b9be6c1ad61c8d19e36d
SHA1 hash: 8107fe45242e9071a0d4ab3895f0f4cda10f6852
MD5 hash: 89109f832e8a6b19b27cd2a79a4bfaa1
humanhash: maine-september-indigo-dakota
File name:file
Download: download sample
Signature GCleaner
File size:3'344'534 bytes
First seen:2023-02-15 00:47:12 UTC
Last seen:2023-02-15 01:13:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'494 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:JHXJrYCupvgXIOIC5xGJ7U8cq32t4GQQgYgOZv2MR:dhYDpNOIC5xc7vcqGt4GYYXZvjR
TLSH T1B6F5127C7009C8ADC280BEB4893AD8E79CD36DE3A9E4A16370DD7F7F81791895A19107
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 14b0b0fceeaa3b18 (363 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 :
8
# of downloads :
227
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-15 00:47:58 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
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
Gathering data
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
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: 807874 Sample: file.exe Startdate: 15/02/2023 Architecture: WINDOWS Score: 100 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 4 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 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 FRec214.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49716, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49717, 80 CMCSUS Germany 17->44 46 2 other IPs or domains 17->46 30 C:\Users\user\AppData\Roaming\...\YfLXd.exe, PE32 17->30 dropped 21 YfLXd.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.Downloader.GCleaner
Status:
Malicious
First seen:
2023-02-15 00:48:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
17 of 26 (65.38%)
Threat level:
  3/5
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:
404fc43c2b7a85a7732d6a49454f0f574caf2967cae4b3e547c3acc4a4fde591
MD5 hash:
c52e24fc36212f1e51586178c9f80559
SHA1 hash:
6b29188f2336ca2e85167854104f5b3f442c011c
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
4d739be01a5bcdff2e43e9f2aad64b94dbb710bff7581449ac6d3afdb75b40e5
MD5 hash:
901ce581e574f17b08349bacb45c7cb1
SHA1 hash:
c1fd23e5f9beb637b6979b1a4841dd225c01afe1
SH256 hash:
c432fab5c1779fe9416552d16139582150d45fa0ee1231daff32b32fd98738a0
MD5 hash:
3a9332527fc25068c4911b3a9d9089e6
SHA1 hash:
07032abe6c75ef587d8be715f8da549cd7bec325
SH256 hash:
58a1a515f3c531cf7632d870376e681cfcb6bc7ecad08b7d6526ec8ac5d99b8d
MD5 hash:
89109f832e8a6b19b27cd2a79a4bfaa1
SHA1 hash:
8107fe45242e9071a0d4ab3895f0f4cda10f6852
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