MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 186b5776f6507f8f307044d6ef02a4001ed13e718014c71ca063f62e1e7357fc. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments

SHA256 hash: 186b5776f6507f8f307044d6ef02a4001ed13e718014c71ca063f62e1e7357fc
SHA3-384 hash: dd8334c05db61184d80325a8b6d577d48b456188f6b329efbe14fed7b75d2965b1d1b8c24ede02f72e5f8d1f401d49ec
SHA1 hash: 3534e6237597337b5e4416dd5d727fd927a5b496
MD5 hash: 7849dc5eab53399641702553d6adc18b
humanhash: alpha-nine-south-texas
File name:file
Download: download sample
Signature GCleaner
File size:3'192'756 bytes
First seen:2023-02-16 15:45:36 UTC
Last seen:2023-02-16 16:28:11 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 98304:xeygwBtyf7FRUAhDRRgUTncwYyw51N9nv2MR:xeYyfhJxfgUbcwhK1NdvjR
TLSH T1BEE523277668D8DDE262CFB39E2F81B011636C11E5B1D11A34897E5F32F22EA111EF46
TrID 60.5% (.EXE) Inno Setup installer (109740/4/30)
22.9% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
7.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.4% (.EXE) Win32 Executable (generic) (4505/5/1)
1.6% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
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 :
12
# of downloads :
230
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-16 15:49:55 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
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
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: 810069 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 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 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, 49697, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49698, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49699, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\ntaxcFWi2ezvxL.exe, PE32 17->30 dropped 21 ntaxcFWi2ezvxL.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 15:46:09 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
Loads dropped DLL
Checks computer location settings
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:
db511d6da93784c2cae85a41c82f92cd475337b4f0b2ea5dd2e3eb0789cb067b
MD5 hash:
14dc7554cfad9496743fc3253c02e352
SHA1 hash:
f50e91a6c0adffad825a995fc0cab2569880d4c7
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
955555675f8feb89563c7efa640563be43e3cd3db54a570d7821f8471e0062e5
MD5 hash:
e4d557b190738c92eb21e7b6b9fe59f1
SHA1 hash:
c3c7f000b49342decc819c6a8a488db221500165
SH256 hash:
88dac1be47743ebd87b354e8e7434daccd7ee69794c1d1fc35a741c14039f4a5
MD5 hash:
97eda3fbbf9cf5e9f0fcada647aa6f25
SHA1 hash:
5a1cd65a49a221ac4acfd1fc790ebea496fdb638
SH256 hash:
c432fab5c1779fe9416552d16139582150d45fa0ee1231daff32b32fd98738a0
MD5 hash:
3a9332527fc25068c4911b3a9d9089e6
SHA1 hash:
07032abe6c75ef587d8be715f8da549cd7bec325
SH256 hash:
186b5776f6507f8f307044d6ef02a4001ed13e718014c71ca063f62e1e7357fc
MD5 hash:
7849dc5eab53399641702553d6adc18b
SHA1 hash:
3534e6237597337b5e4416dd5d727fd927a5b496
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