MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f77c4cd95258a487da134a7537ba181ff528e07116c5a96887e315bb2d20213a. 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: f77c4cd95258a487da134a7537ba181ff528e07116c5a96887e315bb2d20213a
SHA3-384 hash: d2c09b958f4b58ad30712443a5fc522fda3da429e30e7586d70aeb0f28efe6fd64ab4a3b5c823c745d0d222cb8048ada
SHA1 hash: 13bd6b6c41f64f599814b723f0d4f041d4d2f8ea
MD5 hash: ec571f31f07305e6570b9c095fa38035
humanhash: earth-london-hot-tennis
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'279'172 bytes
First seen:2023-06-28 01:34:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:kfOycjxT61Dzkz02sErhezVzhJC24FyjXh05TPYSgO5N/fkBtP/hNy:kGTTbz02sA8JzhJJZOgSgmN/fq5/3y
Threatray 104 similar samples on MalwareBazaar
TLSH T1DB452356E2AFC4B6D3A249B04D650C1525377FD8723DA54AB00D94AA1FAF3C04E4BBB3
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.EXE) Inno Setup installer (109740/4/30)
4.8% (.EXE) Win32 Executable Delphi generic (14182/79/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon f8f8f8f8f8f8f900 (2 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 :
1
# of downloads :
315
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-28 01:36:46 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/5cd97e32-e9d3-4b68-b56e-785045235ddf

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/403369/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.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
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Launching a process
Creating a file in the %AppData% subdirectories
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 tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Labled as:
Cerbu.Generic
Link:
https://www.hybrid-analysis.com/sample/f77c4cd95258a487da134a7537ba181ff528e07116c5a96887e315bb2d20213a
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/34fa41b6-fdba-49cc-9cbc-e1738f300c02
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1262377
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 895407 Sample: file.exe Startdate: 28/06/2023 Architecture: WINDOWS Score: 100 40 45.12.253.72 CMCSUS Germany 2->40 42 45.12.253.75 CMCSUS Germany 2->42 44 45.12.253.98 CMCSUS Germany 2->44 48 Multi AV Scanner detection for domain / URL 2->48 50 Found malware configuration 2->50 52 Antivirus detection for URL or domain 2->52 54 8 other signatures 2->54 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-L93T5.tmp, PE32 9->30 dropped 12 is-L93T5.tmp 11 102 9->12         started        process6 file7 32 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->32 dropped 34 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->34 dropped 36 C:\...\unins000.exe (copy), PE32 12->36 dropped 38 8 other files (6 malicious) 12->38 dropped 15 ReeSpacer627.exe 8 12->15         started        19 net.exe 1 12->19         started        process8 dnsIp9 46 45.12.253.56, 80 CMCSUS Germany 15->46 28 C:\Users\user\AppData\...\8KO59WiqJz.exe, PE32 15->28 dropped 21 8KO59WiqJz.exe 15->21         started        24 conhost.exe 19->24         started        26 net1.exe 1 19->26         started        file10 process11 signatures12 56 Multi AV Scanner detection for dropped file 21->56
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f77c4cd95258a487da134a7537ba181ff528e07116c5a96887e315bb2d20213a/
Threat name:
Win32.Trojan.Cerbu
Create hunting rule
Status:
Malicious
First seen:
2023-06-28 01:35:07 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=656ezwkslcsipwqtjj2tpoqyd72srydrc3c2s2eh4mk3wljaee5a._file
Verdict:
malicious
Similar samples:
0a0c50dbc5d0c9811bfd0552ddd075e0e1df2cf07049cc546e41f9bf08cb8290
GCleaner
4508befe4b8012035c52c7aaccbe89b9f75919bdcc86feb8fe79ae01fdea8179
GCleaner
95fd65d2e24cd35d1ad779705122399dd335562ee70759171ca30536cc3fa391
GCleaner
a966075818dd971effd37c47d3de59591064a7bc99f37296e04c6d8a63ce3ea2
GCleaner
a9d91b57e0d37b08b87d1f616b937ee756c6e006e3e8a0de21c8eab981e921d1
GCleaner
bf1e6887eae7ff57e6ce8355e63829532807b64599c60c2a378faad2522f3ce5
GCleaner
cf76ac64d1038d54fa178a67712a4916e021b6b381241b44c2ceed7428ba4692
GCleaner
d604590b5c7a14a354f325a3884dbefe9f01c19b0d6927e3aa4a437777022dd5
GCleaner
+ 94 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230628-bznpmsfh79/
Behaviour
Kills process with taskkill
Runs net.exe
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
Executes dropped EXE
Loads dropped DLL
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:
3786574e58617447e0da75c54937895f12d77960411c3cba0817a0776a3a53e1
MD5 hash:
1aa4cdb4d5f21238ec180e862981b79b
SHA1 hash:
5bb99335cfc9f76bac3537087595ddbeda14e7dc
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
c1304bf9e0927f23a29e30c5da3fd093b4f925925ff7a7e90004cf5b10065299
MD5 hash:
f05522aae56552ce24aca2c98711d5f8
SHA1 hash:
ec7f506bf3d43f9a90641499d798fb5df5bd8f6f
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
184e77ff1d2ae5ecaba2c30eb1382191da3bf80e8b790d868cb27c2074c8428b
MD5 hash:
80bf4858ee30e2fe3c1f6d9322338b02
SHA1 hash:
90649a9bc90cb21dcbce0e76f78591e039add00f
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
3786574e58617447e0da75c54937895f12d77960411c3cba0817a0776a3a53e1
MD5 hash:
1aa4cdb4d5f21238ec180e862981b79b
SHA1 hash:
5bb99335cfc9f76bac3537087595ddbeda14e7dc
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
c1304bf9e0927f23a29e30c5da3fd093b4f925925ff7a7e90004cf5b10065299
MD5 hash:
f05522aae56552ce24aca2c98711d5f8
SHA1 hash:
ec7f506bf3d43f9a90641499d798fb5df5bd8f6f
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
184e77ff1d2ae5ecaba2c30eb1382191da3bf80e8b790d868cb27c2074c8428b
MD5 hash:
80bf4858ee30e2fe3c1f6d9322338b02
SHA1 hash:
90649a9bc90cb21dcbce0e76f78591e039add00f
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
3786574e58617447e0da75c54937895f12d77960411c3cba0817a0776a3a53e1
MD5 hash:
1aa4cdb4d5f21238ec180e862981b79b
SHA1 hash:
5bb99335cfc9f76bac3537087595ddbeda14e7dc
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
c1304bf9e0927f23a29e30c5da3fd093b4f925925ff7a7e90004cf5b10065299
MD5 hash:
f05522aae56552ce24aca2c98711d5f8
SHA1 hash:
ec7f506bf3d43f9a90641499d798fb5df5bd8f6f
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
184e77ff1d2ae5ecaba2c30eb1382191da3bf80e8b790d868cb27c2074c8428b
MD5 hash:
80bf4858ee30e2fe3c1f6d9322338b02
SHA1 hash:
90649a9bc90cb21dcbce0e76f78591e039add00f
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
SH256 hash:
f77c4cd95258a487da134a7537ba181ff528e07116c5a96887e315bb2d20213a
MD5 hash:
ec571f31f07305e6570b9c095fa38035
SHA1 hash:
13bd6b6c41f64f599814b723f0d4f041d4d2f8ea
Link:
https://www.unpac.me/results/95982cce-3617-4021-8532-5519eae6844d/
Malware family:
Vidar.A
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/f77c4cd95258/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/f77c4cd95258a487da134a7537ba181ff528e07116c5a96887e315bb2d20213a

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/403369/

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