MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ef53963afa99e4a61f7978e66cd6343895bb6c4a5368a94b7d9fe6ad67e4eb96. 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: ef53963afa99e4a61f7978e66cd6343895bb6c4a5368a94b7d9fe6ad67e4eb96
SHA3-384 hash: cd9e9443dda5758b9f28db62e86bb35a401013c7e7c6a4efc4621e0fd2f606cfafb81ca7ba380e6ba5d338fbdd77a7ad
SHA1 hash: d8acca325c59bab0eb26373611723d32d91c2485
MD5 hash: a6ab04cca14aece0c6368c194baf661c
humanhash: delaware-foxtrot-speaker-grey
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'103'554 bytes
First seen:2023-02-02 17:15:32 UTC
Last seen:2023-02-02 17:27:58 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:bgw2aVxkJpmcT7a59MJ1SSuwDnxeN+wKcGodhp3r/8AlRNELCgv2MR:cr7JpmcT51SiSK+3r8gQv2MR
TLSH T1DDA53315A1B0A9B7C6918A3A9C319C089F2BFD9931FCD104F40C6A0F4F77285995BFA7
TrID 68.9% (.EXE) Inno Setup installer (109740/4/30)
8.9% (.EXE) Win32 Executable Delphi generic (14182/79/4)
8.2% (.SCR) Windows screen saver (13097/50/3)
4.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
2.8% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon 3070e8c060703020 (50 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 :
213
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-02-02 17:18:24 UTC
Tags:
installer
Link:
https://app.any.run/tasks/aac4459e-51fe-4440-9a23-77af0e7799a6

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/359608/
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
Using the Windows Management Instrumentation requests
Launching a process
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/64841/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/63dbefd3447edb203a02857a/reports/e39907eb-8124-4dac-9ce3-e3770d771bcb/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/cbea9b86-e24c-4b79-a3f5-0f94aa4e48ac
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1164472
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: 797242 Sample: file.exe Startdate: 02/02/2023 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 finalrecovery.exe 24 14->17         started        process9 dnsIp10 42 45.12.253.56, 49714, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49715, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49716, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\DEA1gKs6sea0i.exe, PE32 17->30 dropped 21 DEA1gKs6sea0i.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/ef53963afa99e4a61f7978e66cd6343895bb6c4a5368a94b7d9fe6ad67e4eb96/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-02-02 17:16:07 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
16 of 26 (61.54%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=55jzmox2thskmh3zpdtgzvruhck3w3ckknukss35t7tk2z7e5ola._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230202-vs4l3acg64/
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
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:
6314c30a4f422da34cadfe37df9f6d38348ea40035558af6ca81914cfee3379f
MD5 hash:
a685e6162271b76a29fbdbe0d0d111b7
SHA1 hash:
077e5d90de6571a74c82347fac051d5bdc784b4f
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/3bec37aa-a7cb-4ce7-9dd9-8087ebd34b9e/
SH256 hash:
507ad185dde0b31a51070ba616bb01f8a847023c2c668f299c067c61328e4856
MD5 hash:
1a9c5e053dc0d1516a1597994eb7a641
SHA1 hash:
e6fc54896cf2e6a09de285db4dce490382773cda
Link:
https://www.unpac.me/results/3bec37aa-a7cb-4ce7-9dd9-8087ebd34b9e/
SH256 hash:
ef53963afa99e4a61f7978e66cd6343895bb6c4a5368a94b7d9fe6ad67e4eb96
MD5 hash:
a6ab04cca14aece0c6368c194baf661c
SHA1 hash:
d8acca325c59bab0eb26373611723d32d91c2485
Link:
https://www.unpac.me/results/3bec37aa-a7cb-4ce7-9dd9-8087ebd34b9e/
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/ef53963afa99e4a61f7978e66cd6343895bb6c4a5368a94b7d9fe6ad67e4eb96

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/359608/

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