MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f662b5f03afd09e78bac6f1da53268e3a63335455743c40ad78651f9ebeb2eea. 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
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f662b5f03afd09e78bac6f1da53268e3a63335455743c40ad78651f9ebeb2eea
SHA3-384 hash: 978baea2d21a702254e98ca4ad64d2be1d59c6ef1ae77f779cbeb4d1064ffed0825b35b5aeeab2eff2f4896d2e5a2134
SHA1 hash: 5c874cfb6b0f2a74e99589e4451db3ec46dc9988
MD5 hash: 51a88180a67c59da12d6b1bf9a71d2ff
humanhash: wisconsin-floor-enemy-eleven
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'967'312 bytes
First seen:2023-01-27 13:03:12 UTC
Last seen:2023-01-27 13:13:55 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'445 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:okug+l3q0TDW/+L/OZhItrtxQb3taoDd2bZNULCgv2MR:hug+Ug2ASItrr6cs0TEv2MR
TLSH T18495238BB182C7BDD917827A10386680BF72BD8F207D2501366937DD2DB76B068B47E5
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 71f0e0ccccf0f0f0 (204 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 :
6
# of downloads :
207
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-27 13:03:43 UTC
Tags:
installer
Link:
https://app.any.run/tasks/731923a5-6595-46b0-98e5-2fc42433c2b8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Nymaim
Create hunting rule
Link:
https://www.capesandbox.com/analysis/357393/
Detection(s):
SecuriteInfo.com.Trojan.Moneyinst.746.21331.248.UNOFFICIAL
Create hunting rule

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
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
Link:
https://dragonfly.certego.net/analysis/63420/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/63d3cbc3447edb203a016f51/reports/00742f28-f30e-4509-80e1-bd46d7ffe9e6/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/77670e4a-e030-4442-9def-377d9922f963
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1160210
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: 792947 Sample: file.exe Startdate: 27/01/2023 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 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\...\2uHl4mivSqQv.exe, PE32 17->30 dropped 21 2uHl4mivSqQv.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/f662b5f03afd09e78bac6f1da53268e3a63335455743c40ad78651f9ebeb2eea/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-27 13:04:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
15 of 26 (57.69%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6zrll4b27ue6pc5mn4o2kmti4otdgnkfk5b4icwxqzi7t27lf3va._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230127-qaxnksce7z/
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:
17b11a1ec0b647adeb1e76fe7a94e5a21940950077620348d3f48436eaf37be8
MD5 hash:
1ac6e1dc3ec228a31f5c84ee7bab607c
SHA1 hash:
cd29781a23774f90538931013f78539c4f4170a7
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/08eac726-ef0c-41ce-9927-af64695576c5/
SH256 hash:
f14b79b4608389aed38d22dd5cf2739c739e09272b88b052289c0c2b0740e919
MD5 hash:
6420f85a47b5972c2431965ccf823d30
SHA1 hash:
a06cd03c42638cea6722cc64fb72cc3b2e32503c
Link:
https://www.unpac.me/results/08eac726-ef0c-41ce-9927-af64695576c5/
SH256 hash:
38472203bbfab52029ebf1c708931671a484c745961878a02ed8816ad1859b29
MD5 hash:
71f4b93911e33fdecda97eb3a172daed
SHA1 hash:
369ed8f81a9d95fcd184dd2685100bdb4382f083
Link:
https://www.unpac.me/results/08eac726-ef0c-41ce-9927-af64695576c5/
SH256 hash:
f662b5f03afd09e78bac6f1da53268e3a63335455743c40ad78651f9ebeb2eea
MD5 hash:
51a88180a67c59da12d6b1bf9a71d2ff
SHA1 hash:
5c874cfb6b0f2a74e99589e4451db3ec46dc9988
Link:
https://www.unpac.me/results/08eac726-ef0c-41ce-9927-af64695576c5/
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/f662b5f03afd09e78bac6f1da53268e3a63335455743c40ad78651f9ebeb2eea

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
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/357393/

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