MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f54895e1ae6f821a123a8a88226bd341bc695b84523b3e73919e9a6d52865382. 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: f54895e1ae6f821a123a8a88226bd341bc695b84523b3e73919e9a6d52865382
SHA3-384 hash: 24591a2a8429e2f95fba6706cdae358c0d6cba1f129ba34caff89e77c6fb594612b79353d638ddd309adbfbc7ba05f31
SHA1 hash: c0e4ad567d685486b2cde3499c3bfe36b9b655c2
MD5 hash: d7d2a152654e72abe5b94adfe31e1977
humanhash: mockingbird-washington-cup-yellow
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'407'420 bytes
First seen:2022-10-27 14:00:45 UTC
Last seen:2022-10-27 14:28:59 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:Z2jODvlQ9a/fwVn2PlhTfGmodShzrTj7BW8+X5FXhcbdjujqTB8A5hq:MevlGa3wV0hOC7vBWhXfhAkjqFTDq
TLSH T14CB5335A0DA1E079C013FEF11C2BC9D29F76BCA0663FD11265AD928D2D7B950D00EBB6
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 :
14
# of downloads :
243
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-27 14:01:38 UTC
Tags:
installer
Link:
https://app.any.run/tasks/e407e414-e638-482e-96a7-9bda7a466e1f

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/324916/
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
Creating a file in the Windows subdirectories
Creating a file in the system32 subdirectories
Launching a process
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/45989/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.
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3effb479-6c66-4d04-b5c2-2751a80f72ab
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1099397
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: 732053 Sample: file.exe Startdate: 27/10/2022 Architecture: WINDOWS Score: 88 47 45.139.105.1 CMCSUS Italy 2->47 49 85.31.46.167 CLOUDCOMPUTINGDE Germany 2->49 51 Antivirus detection for URL or domain 2->51 53 Detected unpacking (changes PE section rights) 2->53 55 Detected unpacking (overwrites its own PE header) 2->55 57 3 other signatures 2->57 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\...\is-8JBF3.tmp, PE32 10->31 dropped 13 is-8JBF3.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 ezsearcher61.exe 25 13->16         started        process8 dnsIp9 41 107.182.129.235, 49684, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49685, 80 CMCSUS Germany 16->43 45 45.139.105.171, 49683, 80 CMCSUS Italy 16->45 29 C:\Users\user\AppData\Roaming\...\2rrrHm.exe, PE32 16->29 dropped 20 2rrrHm.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/f54895e1ae6f821a123a8a88226bd341bc695b84523b3e73919e9a6d52865382/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-27 14:09:11 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
20 of 26 (76.92%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6vejlynon6bbuer2rkece26tig6gsw4eki5t444rt2ng2uugkoba._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221027-rbjc1scddm/
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:
fcc519eda346015e668ab32e5a7706778d153b8e50bf0cab8856cd52502852e7
MD5 hash:
81d7d9faa400d41cca89d55ef961fa4c
SHA1 hash:
74ad2173b6d5d811392f9209d73dec922e1bdce6
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/a6ee82fa-ad45-4a1a-8724-8b0483ad035d/
SH256 hash:
dc3285a5aa2eacc3451eca95983c187ea191ca52c351e08121060387505d5017
MD5 hash:
77fb423ab6a668597b19a4ff6b5981df
SHA1 hash:
5ce35c74cef89fe4bc6610b58a1c10589ed6154f
Link:
https://www.unpac.me/results/a6ee82fa-ad45-4a1a-8724-8b0483ad035d/
SH256 hash:
f54895e1ae6f821a123a8a88226bd341bc695b84523b3e73919e9a6d52865382
MD5 hash:
d7d2a152654e72abe5b94adfe31e1977
SHA1 hash:
c0e4ad567d685486b2cde3499c3bfe36b9b655c2
Link:
https://www.unpac.me/results/a6ee82fa-ad45-4a1a-8724-8b0483ad035d/
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/f54895e1ae6f821a123a8a88226bd341bc695b84523b3e73919e9a6d52865382

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/324916/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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