MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1ec583e459e52ccc83a9d772589455a9a2d559c329695c1efe845114d9dd94b8. 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: 1ec583e459e52ccc83a9d772589455a9a2d559c329695c1efe845114d9dd94b8
SHA3-384 hash: aef1b8cc73f7cdc3f571ae6bbdf1f337c011b40524ccab377131b12dcec172ac28068948db77f8dec602a1b0b7d37b86
SHA1 hash: 1afbfbdbc17466dbe6efd807599449cfda70176b
MD5 hash: 7bf28cda22b52c14c0566af3d125793f
humanhash: timing-salami-violet-blossom
File name:file
Download: download sample
Signature GCleaner
File size:2'158'183 bytes
First seen:2023-01-20 04:45:47 UTC
Last seen:2023-01-20 05:09:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'453 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:m0DSGGdUmbfCYLrGCTaqX8Cx5nF41fCkGnqgFBD7K8:odU2n9TaqsCjF41DKqWP
TLSH T158A5CD752C6EC125F04D62F4FE31A0F648FE2D23D05F574BA5153ECBB67D292209AAA0
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 0e0f932c2d2d9958 (23 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 :
2
# of downloads :
194
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-20 04:48:15 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
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:
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 domain / URL
Multi AV Scanner detection for dropped file
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 788018 Sample: file.exe Startdate: 20/01/2023 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 domain / URL 2->52 54 Antivirus detection for URL or domain 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 22 16 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->38 dropped 40 6 other files (5 malicious) 14->40 dropped 17 finalrecovery.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49695, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49696, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49697, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\Roaming\...\Jniuv.exe, PE32 17->30 dropped 21 Jniuv.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:
2023-01-20 04:46:09 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
7 of 26 (26.92%)
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
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:
fc73337be95484bb9b9d9655638993d9f1bb3bf61bcc198d24c2cc1e21873af6
MD5 hash:
3264d399739303bafcb64a79dfadfd1f
SHA1 hash:
52186db525199439971285ecf18ceab0662c6f88
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
52b8662b4905b5361a7b06a38c45dc90d11af5a948236da4dfde278a9084a7df
MD5 hash:
004ffbe14f226304aea04b9b08b43b3d
SHA1 hash:
7510a56cfde893059b51c2d2af1d635afc7f0991
SH256 hash:
ef16f709280859169778700278e6c29dfccf104e14753d60a5905c89b38aba59
MD5 hash:
5281fe730ffae05144765c893c2c3239
SHA1 hash:
3ecb1ef2e3b2a5d0a7ff250cc693bf7461288e8a
SH256 hash:
1ec583e459e52ccc83a9d772589455a9a2d559c329695c1efe845114d9dd94b8
MD5 hash:
7bf28cda22b52c14c0566af3d125793f
SHA1 hash:
1afbfbdbc17466dbe6efd807599449cfda70176b
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