MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c6041381dca149356dba2bc83550a5bc234c151f9faf099e8179ae1f3e1b275b. 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: c6041381dca149356dba2bc83550a5bc234c151f9faf099e8179ae1f3e1b275b
SHA3-384 hash: bc47a9d390ca8c50350be88bcae8ebb40ae638da071e36a55373a326c64d977291ec9d95791bc08adad9deb68d3b0510
SHA1 hash: abeb00cdb4e7bbaf2cca71306cf88a7a8da48086
MD5 hash: 4e893780fd9d04240fe1303a0ba3d047
humanhash: fruit-fix-seven-bacon
File name:file
Download: download sample
Signature GCleaner
File size:1'776'275 bytes
First seen:2023-01-24 15:00:56 UTC
Last seen:2023-01-24 15:29:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:ZXsFdn5vknKkjg4RHVDyjcFUm8t61pLCgv2MR:6b5vk7bvyji8cvv2MR
TLSH T1DF85332983918835E161EB312E15860448377F3B0479350DF2AEC7AE2F279CDD95E7AE
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
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 :
216
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-24 15:03:43 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
Sending a custom TCP 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:
80%
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:
92 / 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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 790730 Sample: file.exe Startdate: 24/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 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 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 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49713, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49714, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49715, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\8wJUxknW9VpYAk.exe, PE32 17->30 dropped 21 8wJUxknW9VpYAk.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:
Suspicious
First seen:
2023-01-24 15:16:49 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 39 (41.03%)
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:
1c24b742bc0aa227b2cf6492ea4bdce15bc3c4d55d98939b0902c88001b46925
MD5 hash:
dba3e757e77c4c3e03390ac59fe8d99e
SHA1 hash:
39099abf0b035099390df0a935abe96184735b1b
Detections:
win_nymaim_g0 Nymaim win_gcleaner_auto
SH256 hash:
2a0b4d3891eb800a4f861673beb09badce03e41a47571bc51e76370ab5b43c1e
MD5 hash:
d4f3e77a5a194b4d0ec8177d0da31812
SHA1 hash:
c8045b320a9e5faadcedfb40df148e77f0d186a5
SH256 hash:
acdb8369e191a0e9b4e00e45b21c04dec8d7923f639b9ceffaeb76a2746d95d0
MD5 hash:
e8f43568ed6c8c60befb820bb0ac2199
SHA1 hash:
209104e92e625fe6643154460b66266a1f6b3214
SH256 hash:
c6041381dca149356dba2bc83550a5bc234c151f9faf099e8179ae1f3e1b275b
MD5 hash:
4e893780fd9d04240fe1303a0ba3d047
SHA1 hash:
abeb00cdb4e7bbaf2cca71306cf88a7a8da48086
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