MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 855b2e504bb3187bdcedc3cc38374813d82814bc30b68b33007675c91036f347. 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: 855b2e504bb3187bdcedc3cc38374813d82814bc30b68b33007675c91036f347
SHA3-384 hash: f9ab3078cf9e97cf5c38ad9de71c20012fb4b0b48d997a915f666a62d5a31e3787046da9b494a128483b4bab9c73d4b9
SHA1 hash: 89788912ff6be51ad176f39cc90f31b58dd25169
MD5 hash: 79facc9d61f8ac800826054e331f7432
humanhash: eight-jig-iowa-hamper
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'800'260 bytes
First seen:2023-01-21 17:00:26 UTC
Last seen:2023-01-21 17:29:24 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'452 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:qlHp7bW35fbD8QbaRVMA2ZdSlVrd3ECNJkkc7EXM:OHp7msrRYSrd07XEc
TLSH T19F853303EA46D03BC07377B5FD6F22BB9A6B3E061934B418F9612ECD5A29055E50F392
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 b9f8f2d2b6a8ec76 (42 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 :
15
# of downloads :
198
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-21 17:01:44 UTC
Tags:
installer
Link:
https://app.any.run/tasks/00a5eaa3-76a4-4b45-99b1-9c701f877d8a

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/355380/
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/62066/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/63cc1a501c9cbf7d62510cff/reports/8c397ea7-4aab-4c41-9b3d-366e5b8875a2/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/5dbefdff-4f82-457f-bb8c-5ad0af218bde
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1156229
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: 788961 Sample: file.exe Startdate: 21/01/2023 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 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 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\Roaming\...\AViYn3h.exe, PE32 17->30 dropped 21 AViYn3h.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/855b2e504bb3187bdcedc3cc38374813d82814bc30b68b33007675c91036f347/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-01-21 17:12:07 UTC
AV detection:
1 of 39 (2.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvns4uclwmmhxxhnypgdqn2icpmcqff4gc3iwmyaoz24sebw6ndq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230121-vjj63afa4w/
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:
7c4c1459e15acb6bd4655bd93c73522c43c737647f49b77d756683ad564dddd2
MD5 hash:
0d3a6e901ae8ee2cf5574846c55c12b4
SHA1 hash:
7a73e32c4f1708a9f3d38962dc74a4aa79aa0f79
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3d8ca9c2-f13d-4047-a5ee-36f1e8b05cdd/
SH256 hash:
98834e6ac0a99bbcf0c83efeb7633ea8f199408399f980a2154e37440281df85
MD5 hash:
67c6e4d1963f1b94afcff69c69b20368
SHA1 hash:
2729a04effc2462c3736573dbc710c98d3d6b975
Link:
https://www.unpac.me/results/3d8ca9c2-f13d-4047-a5ee-36f1e8b05cdd/
SH256 hash:
855b2e504bb3187bdcedc3cc38374813d82814bc30b68b33007675c91036f347
MD5 hash:
79facc9d61f8ac800826054e331f7432
SHA1 hash:
89788912ff6be51ad176f39cc90f31b58dd25169
Link:
https://www.unpac.me/results/3d8ca9c2-f13d-4047-a5ee-36f1e8b05cdd/
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/855b2e504bb3187bdcedc3cc38374813d82814bc30b68b33007675c91036f347

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/355380/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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