MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 cb857dfdd1d7bbec2b68b6e1a5317d8f12169acba56f281caf6f06d7ae6506d1. 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: 12


Intelligence 12 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: cb857dfdd1d7bbec2b68b6e1a5317d8f12169acba56f281caf6f06d7ae6506d1
SHA3-384 hash: 6d7e0650293f78a29de3deeb62edf09d4981fda871bd8b8531bdae7b9c0741e5207341a3beff57098ee830b70566d983
SHA1 hash: 4d1e641f1857df03c1debb14e818ae2a5a329f8f
MD5 hash: dc5a1fc5015c1d6f7559751fcc51da0b
humanhash: november-king-papa-august
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'811'882 bytes
First seen:2023-01-25 10:45:49 UTC
Last seen:2023-01-25 11:14:15 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:Z3QqaseyLaCmqJxoqtAQTazKxa7SOf7LnL42WCe6Cyrd+rOv7XNnbciEeLC15wvV:Zdr13e7ZDs2K6CyGOvpblEeLCgv2MR
TLSH T11C85331F62B2C03DD363AF7DBDB8421121663A7578B4012670BE322E6E237D5D42AF56
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 :
13
# of downloads :
217
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-25 10:49:06 UTC
Tags:
installer
Link:
https://app.any.run/tasks/f6f3bb4a-63b8-4b7e-81b9-7a6c59912fef

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/356679/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

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
Creating a file in the Windows subdirectories
Launching a process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/62958/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d1086b96add6d1cf488742/reports/9f2ee935-4c2f-486b-9491-1cb73a6496a6/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c75e890d-d458-4661-bf3b-39598b7387d8
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1158618
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:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 791355 Sample: file.exe Startdate: 25/01/2023 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 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 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, 49701, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49702, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49703, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...behaviorgraphDKHDYqeLn8e.exe, PE32 17->30 dropped 21 GDKHDYqeLn8e.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
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/cb857dfdd1d7bbec2b68b6e1a5317d8f12169acba56f281caf6f06d7ae6506d1/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-25 11:11:45 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
19 of 26 (73.08%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=zocx37or2656yk3iw3q2kml5r4jbngwluvxsqhfpn4dnpltfa3iq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230125-mtzqhahd6w/
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:
be9e563d1dde019e844b9e367198f42563c6aa7ee4bf2480223d56b2cc30b2d2
MD5 hash:
c74fec943a1fff16d58d57c8673a535f
SHA1 hash:
dac7b37ae758448c6b34ef27b2ea052608d0b896
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/8109c483-9c01-4332-928f-6a3c4c0ea71f/
SH256 hash:
da87d4df75f969736879fb57811f336d7a1a9ebea2417b2167dbc84689c9f611
MD5 hash:
229a23259aec173f4aa41fd2e5795f36
SHA1 hash:
94e145afa2823c202ef989fc0b9f7b55caa8873e
Link:
https://www.unpac.me/results/8109c483-9c01-4332-928f-6a3c4c0ea71f/
SH256 hash:
cb857dfdd1d7bbec2b68b6e1a5317d8f12169acba56f281caf6f06d7ae6506d1
MD5 hash:
dc5a1fc5015c1d6f7559751fcc51da0b
SHA1 hash:
4d1e641f1857df03c1debb14e818ae2a5a329f8f
Link:
https://www.unpac.me/results/8109c483-9c01-4332-928f-6a3c4c0ea71f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.98
Link:
https://yomi.yoroi.company/submissions/cb857dfdd1d7bbec2b68b6e1a5317d8f12169acba56f281caf6f06d7ae6506d1

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
Rule name:win_gcleaner_auto
Create hunting rule
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
Cape
Cape
https://www.capesandbox.com/analysis/356679/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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