MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2b4a68a77e49771b18d7c7e20ef01dd08c9035cea86d93a701c76ee0bbccf455. 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: 14


Intelligence 14 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2b4a68a77e49771b18d7c7e20ef01dd08c9035cea86d93a701c76ee0bbccf455
SHA3-384 hash: 14632cb975ab0e59899f35059578be0b3df60af1f2e6fb322d70c1b31ec93b0490fa55d58a0e4e5ca5b5fb70e1ade48b
SHA1 hash: 96b8fef9ee7b49e26f7080fd8c2948839af51767
MD5 hash: 9f68c6c2213fea5f1bfd06f3f6410b0a
humanhash: william-tango-black-north
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'573'683 bytes
First seen:2022-10-31 21:32:05 UTC
Last seen:2022-10-31 21:58:15 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:Z2gSNwzJrDWvgPmJUyFAtZo83Gocpc7f46ZzMkG/DRMyyA5hq:MgSEpW4PcDFoW8WPpcrJZzMdVMGDq
TLSH T1C2C53392E26A0B72E072C9725F7A40792D22B50F343552D4F1DF088F972BBD255A4F8B
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 :
11
# of downloads :
395
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2022-10-31 21:34:53 UTC
Tags:
installer
Link:
https://app.any.run/tasks/6329a4c2-fb2d-495e-bb26-f214118d2e42

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/326599/
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
Searching for synchronization primitives
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/47115/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63603f0fa5db8d309cbc1664/reports/8677f3a8-35c9-427a-b141-3ddb997665a9/overview
Result
Verdict:
MALICIOUS
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/0ee424c0-2fd0-4b55-b763-df36b43e588a
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1102079
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: 734740 Sample: file.exe Startdate: 31/10/2022 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-7VLQP.tmp, PE32 10->31 dropped 13 is-7VLQP.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 fhsearcher65.exe 21 13->16         started        process8 dnsIp9 41 107.182.129.235, 49692, 80 META-ASUS Reserved 16->41 43 171.22.30.106, 49693, 80 CMCSUS Germany 16->43 45 2 other IPs or domains 16->45 29 C:\Users\user\AppData\Roaming\...\8KmZYNp.exe, PE32 16->29 dropped 20 8KmZYNp.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/2b4a68a77e49771b18d7c7e20ef01dd08c9035cea86d93a701c76ee0bbccf455/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2022-10-31 21:33:10 UTC
File Type:
PE (Exe)
Extracted files:
14
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=fnfgrj36jf3rwggxy7ra54a52cgjanoovbwzhjyby5xobo6m6rkq._file
Verdict:
malicious
Result
Malware family:
nymaim
Create hunting rule
Score:
  10/10
Tags:
family:nymaim discovery trojan
Link:
https://tria.ge/reports/221031-1d6qrsebej/
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:
7c3587d79b3bf25cb65cf3fc2caf37b6ff789c3e19cd605f90780b4378cf4b0e
MD5 hash:
f40fe276e204738d82b6a172c5b7409c
SHA1 hash:
bc13edcff5bb2e01c5fab9ca1968208182f66fba
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/4253b55d-efad-4948-8c97-906d69405c7e/
SH256 hash:
69d956bcdd9897f8af1e37b4c317026bade31624ed2e5ef930637a59287703c4
MD5 hash:
20a7e784d861b237431f5f29ab7ae4c4
SHA1 hash:
440381c1cb557b0b7b4ebc16bd9d368d06da9eec
Link:
https://www.unpac.me/results/4253b55d-efad-4948-8c97-906d69405c7e/
SH256 hash:
2b4a68a77e49771b18d7c7e20ef01dd08c9035cea86d93a701c76ee0bbccf455
MD5 hash:
9f68c6c2213fea5f1bfd06f3f6410b0a
SHA1 hash:
96b8fef9ee7b49e26f7080fd8c2948839af51767
Link:
https://www.unpac.me/results/4253b55d-efad-4948-8c97-906d69405c7e/
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/2b4a68a77e49771b18d7c7e20ef01dd08c9035cea86d93a701c76ee0bbccf455

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/326599/
  
URLhaus
https://urlhaus.abuse.ch/url/2276314/

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