MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 992662bf2b726607d94b28854930072ed2c705019bd86844f281ff26c58f200b. 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: 992662bf2b726607d94b28854930072ed2c705019bd86844f281ff26c58f200b
SHA3-384 hash: e10b4b387122d2b2fcc6d9736f44d9e7a2a6fed91f37f8fdbc7c263d2739962e3362e7e947c8a5d88050d0accaf60119
SHA1 hash: 54cf38481641aef4d1e2bd094ee6491ada2966ae
MD5 hash: 2d98162bf4fbe33eb2f1fb2846cbc567
humanhash: harry-kansas-low-snake
File name:file
Download: download sample
Signature GCleaner
File size:3'218'302 bytes
First seen:2023-02-16 16:31:22 UTC
Last seen:2023-02-16 17:12:22 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:xB7EhbjxxyVnTXFQrM+5Eh2633kvWv2MR:xB4hb1xyje+93yWvjR
TLSH T127E5234BB288D4ADE350CF33DC2E85A866136D28A5B0D61E34A57E5F75F329E011EF09
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 12f0f4b26284e162 (24 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 :
13
# of downloads :
210
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-16 16:37:02 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 a custom TCP request
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
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
greyware installer 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:
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: 810034 Sample: file.exe Startdate: 16/02/2023 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 14 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 FRec216.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49703, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49704, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49705, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\eSdge6X.exe, PE32 17->30 dropped 21 eSdge6X.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:
2023-02-16 16:32:09 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 25 (64.00%)
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:
d4eda1eb938da2fce3b69f66a7a18d2b73a60cb784e57e1ec50ffb8725917002
MD5 hash:
dc5836b6b00c0308a2aa4107e22b6196
SHA1 hash:
1910dc0360f355ab19bb1f6d1e95542d32b2d8b2
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
62d7c943fbfc43627dcccbdd11249126fda8369e02e5622475edfef2cf83156d
MD5 hash:
5647c8f2569de7986cc55b399f99d33b
SHA1 hash:
a98962b2e8566c2e21d4e800d4006e37bb5590f5
SH256 hash:
e543b282f773124114493412f465a3c15ce0d54c06d690f7951aceefe2394366
MD5 hash:
05b8ebc7740bf3543e42741fe0c8b8ec
SHA1 hash:
1f1101ab964fc12482e7f097ac62db69b1cccfd5
SH256 hash:
992662bf2b726607d94b28854930072ed2c705019bd86844f281ff26c58f200b
MD5 hash:
2d98162bf4fbe33eb2f1fb2846cbc567
SHA1 hash:
54cf38481641aef4d1e2bd094ee6491ada2966ae
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