MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b3344c4a01307c6d106136dcc989efc68875c00ab007fbbf2931501598881e73. 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: b3344c4a01307c6d106136dcc989efc68875c00ab007fbbf2931501598881e73
SHA3-384 hash: ac6fadb9c4bdb347a98966ddadf584be8e29d756a6a95653f5d54e8da16786bfd30a00ceb8e3d07c8fa01bdebe126499
SHA1 hash: 80ea271f8e839596bae7f4b1e779e79d5dd8dedb
MD5 hash: e56fa443d0800751bc87d38bb185f455
humanhash: october-west-shade-cardinal
File name:file
Download: download sample
Signature GCleaner
File size:3'436'673 bytes
First seen:2023-02-13 02:15:56 UTC
Last seen:2023-02-13 03:42:50 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'451 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:rdHpsny+u4m4woKqW1dGnUnaH4qkgRDjWhDWniLr/THKwQiAFeE1LCgv2MR:JHpVD41GMUaYqDDyhCni7+e4v2MR
TLSH T1A8F5127C7005C86DC290FEB48C2A98F70CDA6DE3E9E4A41270CDBF3E51BD2855A1A657
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 :
23
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-13 02:18:38 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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Behaviour
MalwareBazaar
CheckCmdLine
Gathering data
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: 805727 Sample: file.exe Startdate: 13/02/2023 Architecture: WINDOWS Score: 100 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Antivirus detection for URL or domain 2->52 54 Multi AV Scanner detection for submitted file 2->54 56 5 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 FRec212.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49700, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49701, 80 CMCSUS Germany 17->44 46 2 other IPs or domains 17->46 30 C:\Users\user\AppData\...\xZ2fos6Muhr7Y.exe, PE32 17->30 dropped 21 xZ2fos6Muhr7Y.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:
2023-02-13 02:16:09 UTC
File Type:
PE (Exe)
Extracted files:
5
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:
e882cdaac51d175a88defe774b0b968dc50c42fb04581018fd4df340def82077
MD5 hash:
d36677d1c8717ce53058ab51ae91f8e2
SHA1 hash:
79ec3a91d185bcf9f86fde9ebf943fb9974fcd82
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
21f9d5ab38d3df770f703332a58a59d34ed4ca505d84bfe2089829c8ba294e49
MD5 hash:
360e229d8dacdf6b300db2e1913800d9
SHA1 hash:
f9aee47b1d581bf662bae6610a443733df4a6779
SH256 hash:
5ef880e75e4cde436865e47d84867ac2d323520792e2821efce18246c1237f61
MD5 hash:
5b88dafd18f137ec06bb72505a1d4111
SHA1 hash:
392be4c63ef993658961b37adc74212b76b2c78f
SH256 hash:
c432fab5c1779fe9416552d16139582150d45fa0ee1231daff32b32fd98738a0
MD5 hash:
3a9332527fc25068c4911b3a9d9089e6
SHA1 hash:
07032abe6c75ef587d8be715f8da549cd7bec325
SH256 hash:
b3344c4a01307c6d106136dcc989efc68875c00ab007fbbf2931501598881e73
MD5 hash:
e56fa443d0800751bc87d38bb185f455
SHA1 hash:
80ea271f8e839596bae7f4b1e779e79d5dd8dedb
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