MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f8b2fdaf943ebf26cb5d3bad4764baa24829c851b41fdc644793afbebd6ea6c9. 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: f8b2fdaf943ebf26cb5d3bad4764baa24829c851b41fdc644793afbebd6ea6c9
SHA3-384 hash: 23ac6bbe2b00f40370dadd429410c65978588d8b8ba70646c83f498c572eeadccf726ff02794dce5bff74a9a0bcc8a33
SHA1 hash: cef1f372fd825155b8e3431250ccf6b412dd2c7d
MD5 hash: 8b3ae71abae1162578a689b24d29731d
humanhash: comet-eight-venus-lima
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'138'578 bytes
First seen:2023-02-06 12:16:46 UTC
Last seen:2023-02-06 12:44:06 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 49152:nZhNBiPYk0ozFazALCQCYsuIXMEF19+DK3+/2LCgv2MR:ZhNwzFazvQCluIbUbmv2MR
TLSH T130A5239522A8D0F2C330CF75DA1D84F2E977BE21D8E49423361D7E0E6AF615EA03E255
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 fcfcfcc4ecfcfe00 (51 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 :
17
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-06 12:17:41 UTC
Tags:
installer
Link:
https://app.any.run/tasks/3e0de2e4-407d-417a-987f-49972dc4937e

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/360838/
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/65748/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/63e0efbf416d38777a7a99a0/reports/fefa1cd8-ed81-4f22-aa8a-e0a80b97dc87/overview
Verdict:
Malicious
Labled as:
Win/grayware_confidence_60%
Link:
https://www.hybrid-analysis.com/sample/f8b2fdaf943ebf26cb5d3bad4764baa24829c851b41fdc644793afbebd6ea6c9
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/007c1808-05be-4e95-95ad-48977f700a53
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1166588
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: 799359 Sample: file.exe Startdate: 06/02/2023 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 FRec26.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49691, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49692, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49693, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\WJaw5KptMr3Tq.exe, PE32 17->30 dropped 21 WJaw5KptMr3Tq.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/f8b2fdaf943ebf26cb5d3bad4764baa24829c851b41fdc644793afbebd6ea6c9/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-06 12:17:08 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
17 of 26 (65.38%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7czp3l4uh27sns25howuozf2ujectscrwqp5yzchsox35plou3eq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230206-pf13hshb3x/
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
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:
54e36ce8ea85d43995c39d2f64bea6c90ede65b288525cdc1f0171b2f868dbe7
MD5 hash:
c2b88846540a7057475a90521ff42c91
SHA1 hash:
48b2ce35967a4c30d2a2c3e412cd44ca57570d6c
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/e25e2bbc-96d8-4688-ba93-8af6adb9a825/
SH256 hash:
df4e3bd4f3b14fcec867d96080d67deaf33b9d928b8d09d57a63dfe6bf5702c3
MD5 hash:
26688735706ceefa634e3d5a08d2d748
SHA1 hash:
d7510027d3f70979fd335de767f9be95ea5ebc4e
Link:
https://www.unpac.me/results/e25e2bbc-96d8-4688-ba93-8af6adb9a825/
SH256 hash:
8ff61c6ed47e9a7aee89905fb56b7968b9e974f103bd77bf03e4ad7cb75181d0
MD5 hash:
48979fecc1757b6c86fcee3697132d9d
SHA1 hash:
99dc04f87ca147f5180cfe75f0cdf7f55da32de1
Link:
https://www.unpac.me/results/e25e2bbc-96d8-4688-ba93-8af6adb9a825/
SH256 hash:
f8b2fdaf943ebf26cb5d3bad4764baa24829c851b41fdc644793afbebd6ea6c9
MD5 hash:
8b3ae71abae1162578a689b24d29731d
SHA1 hash:
cef1f372fd825155b8e3431250ccf6b412dd2c7d
Link:
https://www.unpac.me/results/e25e2bbc-96d8-4688-ba93-8af6adb9a825/
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/f8b2fdaf943ebf26cb5d3bad4764baa24829c851b41fdc644793afbebd6ea6c9

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/360838/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

Comments