MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fb4866ca3fa5e2e0c9926fee2fad2fc3324ef0177ff7b43e1f3990b05f4bd90. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6fb4866ca3fa5e2e0c9926fee2fad2fc3324ef0177ff7b43e1f3990b05f4bd90
SHA3-384 hash: 48c7a0accf132ab71dba814fc54f09b73589ac3eef6faa050bed8a38f264b6846351cab882a2e7d6809e8d6d2818958b
SHA1 hash: 6a5c3cb76b85e1323f9cb2f364f31cf6bb591a16
MD5 hash: 21b8f99ca3832a204fd8d08065e1599e
humanhash: blue-lithium-floor-helium
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'282'979 bytes
First seen:2023-06-30 21:29:59 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'459 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:+fOyskQT9YsemOMi+XShulmLIrPfJL1rARpJjBBp/D:+GfkQT9YsVXQPLYPBJ2pvBp
TLSH T14F552323FA6195B8C6728E752E28D874097EBEC11A700D2E789E3E4C1F776068937753
TrID 80.3% (.EXE) Inno Setup installer (109740/4/30)
10.3% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
1.5% (.EXE) Win16/32 Executable Delphi generic (2072/23)
1.4% (.EXE) OS/2 Executable (generic) (2029/13)
File icon (PE):PE icon
dhash icon 6070ecc4ccf4ba98 (14 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 :
3'001
Origin country :
US US
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/404502/
Detection(s):
SecuriteInfo.com.Adware.Generic2.DOZ.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
Launching the process to interact with network services
Modifying a system file
Searching for synchronization primitives
Sending a custom TCP request
Launching a process
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/94407/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
control gcleaner greyware installer lolbin overlay packed packed shell32
Link:
https://www.filescan.io/uploads/649f495b2299d2688263a89a/reports/dde70883-7f04-48e4-aabf-a29aa80b55a4/overview
Verdict:
Malicious
Labled as:
HEUR/AGEN.1332256
Link:
https://www.hybrid-analysis.com/sample/6fb4866ca3fa5e2e0c9926fee2fad2fc3324ef0177ff7b43e1f3990b05f4bd90
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/adb2e886-fbf5-490b-afad-21c9a1e2080a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1264285
Signature
Antivirus / Scanner detection for submitted sample
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 dropped file
Multi AV Scanner detection for submitted file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 897312 Sample: file.exe Startdate: 30/06/2023 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 Found malware configuration 2->48 50 Antivirus detection for URL or domain 2->50 52 Antivirus / Scanner detection for submitted sample 2->52 54 6 other signatures 2->54 9 file.exe 2 2->9         started        signatures3 process4 file5 30 C:\Users\user\AppData\Local\...\is-ORIU5.tmp, PE32 9->30 dropped 12 is-ORIU5.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 RehSpacer630.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\...behaviorgraphJlLvaCsw.exe, PE32 15->28 dropped 21 GJlLvaCsw.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/6fb4866ca3fa5e2e0c9926fee2fad2fc3324ef0177ff7b43e1f3990b05f4bd90/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Suspicious
First seen:
2023-06-30 21:30:06 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=n62im3fd7jpc4deze37of6ws7qzsj3ybo77xwq7b6omqwbpuxwia._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230630-1cfsyseg55/
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:
602554aeaed4f43a5d6865bb9393664aa9c37813a54bfc6e4ae89ad8676d87c2
MD5 hash:
ad8c8116dd44e980189ee134f6ca2d22
SHA1 hash:
1a365a5a4ffc1077dcf7c3b33bb55d23690e8a85
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/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
6644b70dcfe27da1f2a8f7899df00700932038e65983d3d7401f4841b41950a4
MD5 hash:
9f3cb07039a78b0245d10de71b50e95f
SHA1 hash:
9ac382118e2774d497f847c9f676af38bcb4ea8c
Link:
https://www.unpac.me/results/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
29067cc281768a5d61f54c0e381de9bc08e8362de748a64a4290b367092f5bf6
MD5 hash:
e8ecd934ae0c347dab14c09b0684969d
SHA1 hash:
ae297ed5eaa70b24a24ff3f683298b5e4d446f3f
Link:
https://www.unpac.me/results/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
602554aeaed4f43a5d6865bb9393664aa9c37813a54bfc6e4ae89ad8676d87c2
MD5 hash:
ad8c8116dd44e980189ee134f6ca2d22
SHA1 hash:
1a365a5a4ffc1077dcf7c3b33bb55d23690e8a85
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/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
6644b70dcfe27da1f2a8f7899df00700932038e65983d3d7401f4841b41950a4
MD5 hash:
9f3cb07039a78b0245d10de71b50e95f
SHA1 hash:
9ac382118e2774d497f847c9f676af38bcb4ea8c
Link:
https://www.unpac.me/results/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
29067cc281768a5d61f54c0e381de9bc08e8362de748a64a4290b367092f5bf6
MD5 hash:
e8ecd934ae0c347dab14c09b0684969d
SHA1 hash:
ae297ed5eaa70b24a24ff3f683298b5e4d446f3f
Link:
https://www.unpac.me/results/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
602554aeaed4f43a5d6865bb9393664aa9c37813a54bfc6e4ae89ad8676d87c2
MD5 hash:
ad8c8116dd44e980189ee134f6ca2d22
SHA1 hash:
1a365a5a4ffc1077dcf7c3b33bb55d23690e8a85
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/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
6644b70dcfe27da1f2a8f7899df00700932038e65983d3d7401f4841b41950a4
MD5 hash:
9f3cb07039a78b0245d10de71b50e95f
SHA1 hash:
9ac382118e2774d497f847c9f676af38bcb4ea8c
Link:
https://www.unpac.me/results/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
29067cc281768a5d61f54c0e381de9bc08e8362de748a64a4290b367092f5bf6
MD5 hash:
e8ecd934ae0c347dab14c09b0684969d
SHA1 hash:
ae297ed5eaa70b24a24ff3f683298b5e4d446f3f
Link:
https://www.unpac.me/results/3ae3258e-1b4a-421d-9c36-02708474aa4b/
SH256 hash:
6fb4866ca3fa5e2e0c9926fee2fad2fc3324ef0177ff7b43e1f3990b05f4bd90
MD5 hash:
21b8f99ca3832a204fd8d08065e1599e
SHA1 hash:
6a5c3cb76b85e1323f9cb2f364f31cf6bb591a16
Link:
https://www.unpac.me/results/3ae3258e-1b4a-421d-9c36-02708474aa4b/
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/6fb4866ca3fa5e2e0c9926fee2fad2fc3324ef0177ff7b43e1f3990b05f4bd90

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/404502/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments