MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856dfcf7bc1ba3cd4e4aa577c9813ef50827ae2bb8c02b0c2984240c3dc5ba1d. 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: 856dfcf7bc1ba3cd4e4aa577c9813ef50827ae2bb8c02b0c2984240c3dc5ba1d
SHA3-384 hash: 5002529d01e14c03985c1b9249f661c643e50e391a848f9f15866d247c4607da7b69fd923d6046a6fe090d2820c8152b
SHA1 hash: 0402fa5cc684d545af0b587b0462b76228fdc055
MD5 hash: 19eb8f1c16df185ac4c564d4a5d853e9
humanhash: colorado-golf-william-ten
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'805'424 bytes
First seen:2023-01-23 18:30:23 UTC
Last seen:2023-01-23 18:59:41 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:OiyfPYJiaPBmZwf+lta1+5bBLw2CIN61V:tgAJVPAGfWaM5bVBVN61V
TLSH T1B7853309D75889B1F4BA92F0487BE37189A7BE011C3E56A0B84DDC6E7F636901D097E3
TrID 75.1% (.EXE) Inno Setup installer (109740/4/30)
9.7% (.EXE) Win32 Executable Delphi generic (14182/79/4)
4.5% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win32 Executable (generic) (4505/5/1)
2.0% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
File icon (PE):PE icon
dhash icon 78f8f9d9ccc088e1 (51 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 :
11
# of downloads :
168
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-23 18:36:48 UTC
Tags:
installer
Link:
https://app.any.run/tasks/89eb8af8-2c22-4f87-81c1-29ff924f8962

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/356014/
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
Sending a custom TCP request
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 tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/62535/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
80%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63ced2672b351a3d0ea7f630/reports/775f462e-dba9-46a1-9386-026246a06083/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:
Malicious
Link:
https://analyze.intezer.com/analyses/c40e1534-748b-4164-be40-c23c427bc9b3
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1157490
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
Multi AV Scanner detection for submitted file
Obfuscated command line found
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 790225 Sample: file.exe Startdate: 23/01/2023 Architecture: WINDOWS Score: 100 47 45.12.253.98 CMCSUS Germany 2->47 49 Antivirus detection for URL or domain 2->49 51 Multi AV Scanner detection for dropped file 2->51 53 Multi AV Scanner detection for submitted file 2->53 55 5 other signatures 2->55 10 file.exe 2 2->10         started        signatures3 process4 file5 31 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->31 dropped 57 Obfuscated command line found 10->57 14 file.tmp 22 16 10->14         started        signatures6 process7 file8 33 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->33 dropped 35 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->35 dropped 37 C:\Users\user\AppData\Local\...\_RegDLL.tmp, PE32 14->37 dropped 39 6 other files (5 malicious) 14->39 dropped 17 finalrecovery.exe 24 14->17         started        process9 dnsIp10 41 45.12.253.56, 49714, 80 CMCSUS Germany 17->41 43 45.12.253.72, 49715, 80 CMCSUS Germany 17->43 45 45.12.253.75, 49716, 80 CMCSUS Germany 17->45 29 C:\Users\user\AppData\Roaming\...\4NkoIy.exe, PE32 17->29 dropped 21 cmd.exe 1 17->21         started        23 4NkoIy.exe 17->23         started        file11 process12 process13 25 taskkill.exe 1 21->25         started        27 conhost.exe 21->27         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/856dfcf7bc1ba3cd4e4aa577c9813ef50827ae2bb8c02b0c2984240c3dc5ba1d/
Gathering data
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qvw7z554dor42tskuv34taj66uecplrlxdacwdbjqqsaypofxioq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230123-w52hxaef47/
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
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:
710f3454b05a2fe3a805cd569aca38a193ae51402380dbbe95fdf5ff867ff20a
MD5 hash:
b29b071346974f8ac7c5845ad0150b6c
SHA1 hash:
8b36e9e29b1ff8ba9540ff65c2460609bf34e254
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/91790911-a708-40af-b114-a1169762b260/
SH256 hash:
0d68e1b7fd3d5628f23e27aa116e9e7c25238f76c90326522b9922e6f116efea
MD5 hash:
ee56fb665c76806ffceea534458001c6
SHA1 hash:
b3e2a0191ac20de6462c2b04bef80b30b67e0fec
Link:
https://www.unpac.me/results/91790911-a708-40af-b114-a1169762b260/
SH256 hash:
754394f9ef17c6347834b10a960a3df76ef267e16cddf8f0c67e6f3f912f872c
MD5 hash:
b17ae12cb2b38795a4fed95de366148e
SHA1 hash:
95ff9ce01188d3377f5dec4e5b7edabcca9409e2
Link:
https://www.unpac.me/results/91790911-a708-40af-b114-a1169762b260/
SH256 hash:
856dfcf7bc1ba3cd4e4aa577c9813ef50827ae2bb8c02b0c2984240c3dc5ba1d
MD5 hash:
19eb8f1c16df185ac4c564d4a5d853e9
SHA1 hash:
0402fa5cc684d545af0b587b0462b76228fdc055
Link:
https://www.unpac.me/results/91790911-a708-40af-b114-a1169762b260/
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/856dfcf7bc1ba3cd4e4aa577c9813ef50827ae2bb8c02b0c2984240c3dc5ba1d

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
Cape
Cape
https://www.capesandbox.com/analysis/356014/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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