MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a97cfa2eb3f1f7ae4b7221a2c605438690ad7e469a3673cbf74998424ae740b5. 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 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a97cfa2eb3f1f7ae4b7221a2c605438690ad7e469a3673cbf74998424ae740b5
SHA3-384 hash: 7d39c99c0760268c783965fc080f8d326035b64180078f7b03c469a08e27b76d4c1f0971cf19ec6f46c320a3802d4c61
SHA1 hash: 490220cc5799ac00f9b898988c2db232e0f2d416
MD5 hash: 7ee972cabe7e023c161f5ba13fcaf3ea
humanhash: bravo-romeo-bakerloo-eighteen
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'997'619 bytes
First seen:2023-06-11 01:15:51 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 80417b621299e3e1de617305557a3c68 (48 x GCleaner, 44 x Backdoor.TeamViewer, 31 x Socks5Systemz)
ssdeep 49152:Z6dd6sPul2QRbD6mSocufgrWPGx8bOkJhlaUZ1SMu2vIqZJ1g7Ir86:sdYs2l2QRbFSoiroG0Oohd1ZvIqZJ1ga
TLSH T1329512515BBDFB21C4EC88F7AFA140DDB638A23577EF092A68F7D447C0699443D2A209
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 8cb2f0ccccf0b2cc (8 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 :
307
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-06-11 01:17:52 UTC
Tags:
installer gcleaner
Link:
https://app.any.run/tasks/087946ba-57e8-428c-b4e4-0346d861f3fa

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/397660/
Detection(s):
SecuriteInfo.com.Trojan.DownLoader25.56768.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 a custom TCP request
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
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/90234/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
greyware installer lolbin overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/648520530566013fb1fabf18/reports/3e83ea4c-31ea-4016-b528-2a4761839c67/overview
Verdict:
Malicious
Labled as:
Trojan/Evo
Link:
https://www.hybrid-analysis.com/sample/a97cfa2eb3f1f7ae4b7221a2c605438690ad7e469a3673cbf74998424ae740b5
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/de7972b4-e967-43b2-ae53-48a231133e04
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1252471
Signature
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 dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 885491 Sample: file.exe Startdate: 11/06/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Snort IDS alert for network traffic 2->49 51 Found malware configuration 2->51 53 Antivirus detection for URL or domain 2->53 55 7 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-1QSQH.tmp, PE32 10->31 dropped 13 is-1QSQH.tmp 10 24 10->13         started        process6 file7 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 13->37 dropped 39 6 other files (5 malicious) 13->39 dropped 16 Rec610.exe 24 13->16         started        process8 dnsIp9 41 45.12.253.56, 49682, 80 CMCSUS Germany 16->41 43 45.12.253.72, 49683, 80 CMCSUS Germany 16->43 45 45.12.253.75, 49684, 80 CMCSUS Germany 16->45 29 C:\Users\user\AppData\...\n3b2C2RFQK39.exe, PE32 16->29 dropped 20 n3b2C2RFQK39.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 57 Multi AV Scanner detection for dropped file 20->57 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a97cfa2eb3f1f7ae4b7221a2c605438690ad7e469a3673cbf74998424ae740b5/
Threat name:
Win32.Trojan.Gcleaner
Create hunting rule
Status:
Suspicious
First seen:
2023-06-11 01:16:06 UTC
File Type:
PE (Exe)
Extracted files:
4
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=vf6pulvt6h324s3segrmmbkdq2ik27sgti3hhs7xjgmeesxhic2q._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230611-bmsstsgh8y/
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:
a51fa224a9e13e98e7831cd73f72440d356e9bf7fdc30978c3512152fa071993
MD5 hash:
8f23c5ee97872f460611fba9e56f06fa
SHA1 hash:
9a4256b54b1dd2f0160141b5831bc174ee9dfa9f
Detections:
Nymaim
Create hunting rule
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/71f7758d-d8e7-4cec-826c-fb2af8ebc915/
SH256 hash:
f94e698a2bfe62c8c6cab05fabb8d9c9ebef3b8648a15763cfd254ffb4aad53d
MD5 hash:
eeebd4cb1c57eaeff24006d715a2f81c
SHA1 hash:
a18bcfbeb1f2939bb028e4eee9c2d6bec024bfab
Link:
https://www.unpac.me/results/71f7758d-d8e7-4cec-826c-fb2af8ebc915/
SH256 hash:
1a7576265326b73c378723f67af7ebfb43a3df861560e3dd9f79c58159c1c9a1
MD5 hash:
1d3723b33068a24a3a5d61c1d486803a
SHA1 hash:
33fa2a480f4dc062361dde40bb8f62078e522b75
Link:
https://www.unpac.me/results/71f7758d-d8e7-4cec-826c-fb2af8ebc915/
SH256 hash:
a97cfa2eb3f1f7ae4b7221a2c605438690ad7e469a3673cbf74998424ae740b5
MD5 hash:
7ee972cabe7e023c161f5ba13fcaf3ea
SHA1 hash:
490220cc5799ac00f9b898988c2db232e0f2d416
Link:
https://www.unpac.me/results/71f7758d-d8e7-4cec-826c-fb2af8ebc915/
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/a97cfa2eb3f1f7ae4b7221a2c605438690ad7e469a3673cbf74998424ae740b5

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/397660/

Comments