MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 28d8f107cb659416f66fb415d482c2e7e08120bacf68e736d3df604073d1d567. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 28d8f107cb659416f66fb415d482c2e7e08120bacf68e736d3df604073d1d567
SHA3-384 hash: 02ee694953ec1f3ed0f941bfbbc5489fb1a77431500c9aebede4d1e846274ca0bd8eac7006912aee1ec999ab7b31c136
SHA1 hash: a84e81e2ac3705e9901e68c23420a6dd99567dd9
MD5 hash: 665e237e5d79fd492533f2d0a36efb03
humanhash: colorado-football-mississippi-eighteen
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'559'572 bytes
First seen:2022-10-29 08:17:07 UTC
Last seen:2022-10-29 08:43:02 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'514 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:Z2YUfn0cbmwk16xl0Xg4L7LH4siM3dxrYppJ3YLieTWHrtaXmLTWYlGuA5hq:MNMcCJ4xCXg4L7L5ioPoHYLN+a2fWbDq
TLSH T194C53312E9C5897FC4B3F0B9CC3ACA48A5A59C823938D5A0B7EC7DDF9661190F15C3A1
TrID 50.3% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.2% (.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 b298acbab2ca7a72 (2'327 x GCleaner, 1'631 x Socks5Systemz, 67 x RedLineStealer)
Reporter andretavare5
Tags:exe gcleaner


Avatar
andretavare5
Sample downloaded from http://95.214.24.96/load.php?pub=mixinte

Intelligence

File Origin
# of uploads :
19
# of downloads :
539
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-29 08:19:44 UTC
Tags:
installer
Link:
https://app.any.run/tasks/a7733d57-6d25-4065-9d73-119390e05ac9

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/325783/
Detection(s):
SecuriteInfo.com.Trojan-Dropper.Win32.Agent.14403.21121.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
Moving a recently created file
Modifying a system file
Sending an HTTP GET request
Creating a file in the %AppData% subdirectories
Creating a file in the system32 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
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/46552/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/635ce1bcb8952e91d3d2301d/reports/78fc3506-3a42-409d-961c-26bf853fda32/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:
Unknown
Link:
https://analyze.intezer.com/analyses/3c080999-897b-49f5-a8d4-400b1fc5bbfb
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1100822
Signature
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)
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 733483 Sample: file.exe Startdate: 29/10/2022 Architecture: WINDOWS Score: 88 38 45.139.105.1 CMCSUS Italy 2->38 40 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->40 48 Antivirus detection for URL or domain 2->48 50 Detected unpacking (changes PE section rights) 2->50 52 Detected unpacking (overwrites its own PE header) 2->52 54 3 other signatures 2->54 10 file.exe 2 2->10         started        signatures3 process4 process5 12 is-S9OTT.tmp 16 25 10->12         started        file6 30 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 12->30 dropped 32 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 12->32 dropped 34 C:\...\unins000.exe (copy), PE32 12->34 dropped 36 4 other files (2 malicious) 12->36 dropped 15 fdsearcher63.exe 25 12->15         started        process7 dnsIp8 42 107.182.129.235, 49694, 80 META-ASUS Reserved 15->42 44 171.22.30.106, 49695, 80 CMCSUS Germany 15->44 46 45.139.105.171, 49691, 80 CMCSUS Italy 15->46 28 C:\Users\user\AppData\...XJr9fXlB3OMt.exe, PE32 15->28 dropped 19 EXJr9fXlB3OMt.exe 15->19         started        22 cmd.exe 1 15->22         started        file9 process10 signatures11 56 Multi AV Scanner detection for dropped file 19->56 24 taskkill.exe 1 22->24         started        26 conhost.exe 22->26         started        process12
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/28d8f107cb659416f66fb415d482c2e7e08120bacf68e736d3df604073d1d567/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-29 08:18:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fdmpcb6lmwkbn5tpwqk5jawc47qicif2z5uoonwt35qea46r2vtq._file
Verdict:
malicious
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery
Link:
https://tria.ge/reports/221029-j7bdaaghd7/
Behaviour
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Checks installed software on the system
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
b14437ccaca56028860437a5eec7118d757f17aee9d36e7a960502d80429a53a
MD5 hash:
bce12607781f339dc4947f2e9a9ceabe
SHA1 hash:
1aa253f02c8257448bf5896663cc89e3549782dc
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/84f219ad-c3df-4cc2-bfb2-15a7ce7ed36f/
SH256 hash:
c84db7dd289500f30c108cd8df32dc396026a8d42b69b25147e641c5ddb01460
MD5 hash:
c716bbd3262df59fd5ec81a67c157f66
SHA1 hash:
df504f74ee08c140e7dd3b0f0a2462abc8eb4c71
Link:
https://www.unpac.me/results/84f219ad-c3df-4cc2-bfb2-15a7ce7ed36f/
SH256 hash:
753083de10b230da03c6e2bc4865bbefb9a9c94d8946699d3a6d903048f0ba94
MD5 hash:
fc245721f161c38115ecec21ef18971b
SHA1 hash:
0d7652a91c74b7861948293dfd80f1d7831a73fb
Link:
https://www.unpac.me/results/84f219ad-c3df-4cc2-bfb2-15a7ce7ed36f/
SH256 hash:
28d8f107cb659416f66fb415d482c2e7e08120bacf68e736d3df604073d1d567
MD5 hash:
665e237e5d79fd492533f2d0a36efb03
SHA1 hash:
a84e81e2ac3705e9901e68c23420a6dd99567dd9
Link:
https://www.unpac.me/results/84f219ad-c3df-4cc2-bfb2-15a7ce7ed36f/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.68
Link:
https://yomi.yoroi.company/submissions/28d8f107cb659416f66fb415d482c2e7e08120bacf68e736d3df604073d1d567

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: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/325783/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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