MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ff66370e15f4ce75b706e8a5744430eb510e59b12659a58a4d75a5d920682623. 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: ff66370e15f4ce75b706e8a5744430eb510e59b12659a58a4d75a5d920682623
SHA3-384 hash: 114f1c7ccd312c80018ae3fbf4900c921fcedbc079234cd9b8dc6571a705630b11e39dabe3e7335d7fc34453a1c654ae
SHA1 hash: 8028446a938db19da6d81e983906c44bf348940d
MD5 hash: 775e2b8253fc3ba4edd8479cfd267667
humanhash: wyoming-blossom-uniform-arkansas
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'512'588 bytes
First seen:2022-10-24 21:01:50 UTC
Last seen:2022-10-24 21:29:45 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:Z2rCijlOlmF/Uyjk9jWEIHImiDJKPT93U6g0AnDcieeEL7A5hq:MrCwlkEUyQZWrBSgb9kBDcADq
TLSH T185C5334205FD8F76E122D8F14DBACB28C4B6FD70687850793E9E66AD9B391C4D0427E2
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 :
12
# of downloads :
250
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
ficker
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-24 21:04:21 UTC
Tags:
installer evasion loader trojan ficker stealer opendir
Link:
https://app.any.run/tasks/d1b01724-2893-4969-a57c-3d21ed260205

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/323655/
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
Moving a file to the %AppData% subdirectory
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 process
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/45152/overview
Behaviour
MalwareBazaar
CheckCmdLine
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/8bd1ca09-80e3-4009-83bb-99e3cdf7f8a5
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1097008
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 domain / URL
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: 729651 Sample: file.exe Startdate: 24/10/2022 Architecture: WINDOWS Score: 100 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Multi AV Scanner detection for domain / URL 2->51 53 Antivirus detection for URL or domain 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 5 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-JIFKL.tmp, PE32 10->31 dropped 13 is-JIFKL.tmp 16 25 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:\...\unins000.exe (copy), PE32 13->37 dropped 39 4 other files (2 malicious) 13->39 dropped 16 etsearcher58.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49700, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49701, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49698, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\...\7lv2yzCXIuE.exe, PE32 16->29 dropped 20 7lv2yzCXIuE.exe 16->20         started        23 cmd.exe 1 16->23         started        file10 process11 signatures12 59 Multi AV Scanner detection for dropped file 20->59 25 taskkill.exe 1 23->25         started        27 conhost.exe 23->27         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ff66370e15f4ce75b706e8a5744430eb510e59b12659a58a4d75a5d920682623/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-24 21:14:02 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=75tdodqv6thhlnyg5csxirbq5niq4wnrezm2lcsnows5sidieyrq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221024-zvfp8saeh9/
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
Loads dropped DLL
Executes dropped EXE
NyMaim
Malware Config
C2 Extraction:
45.139.105.171
85.31.46.167
Unpacked files
SH256 hash:
292a53b5fbedde671e605c2609dd035706c0d7ac8070c4838c402e8aea5598e0
MD5 hash:
d608a645af72b18f14398d1742655c9e
SHA1 hash:
a3d33f3a1a3f2cdab62ecb234870e945bfab61c6
Detections:
win_nymaim_g0
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/5e85ff3c-7420-4f30-ad82-d834adfc097d/
SH256 hash:
5b6b9ae9bb7b23c0c962c482e3dfbb72d214a9b5d07cabfe33a17532f0a0e5d3
MD5 hash:
e2fde4bd5ff2969c20f76f09e1f9bd15
SHA1 hash:
e7835e57817dba6ed2d64d9ae95f9fa74dfe4978
Link:
https://www.unpac.me/results/5e85ff3c-7420-4f30-ad82-d834adfc097d/
SH256 hash:
ff66370e15f4ce75b706e8a5744430eb510e59b12659a58a4d75a5d920682623
MD5 hash:
775e2b8253fc3ba4edd8479cfd267667
SHA1 hash:
8028446a938db19da6d81e983906c44bf348940d
Link:
https://www.unpac.me/results/5e85ff3c-7420-4f30-ad82-d834adfc097d/
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/ff66370e15f4ce75b706e8a5744430eb510e59b12659a58a4d75a5d920682623

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:CAS_Malware_Hunting
Create hunting rule
Author:Michael Reinprecht
Description:DEMO CAS YARA Rules for sample2.exe
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/323655/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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