MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6634887a3c875b657b983c3b90e8f0d475526a8d16c900c9aa973d82a98f86cb. 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: 6634887a3c875b657b983c3b90e8f0d475526a8d16c900c9aa973d82a98f86cb
SHA3-384 hash: 922757c95408240b011c034a1268fc038f4c3218d5c403c42e7321820a779dbd66fee1ec074b5b987290859d3898cb54
SHA1 hash: c11da54b998159f881b1277793422ddb70a2342e
MD5 hash: be209738b354d14c67507e49da9f0f5d
humanhash: charlie-red-summer-utah
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:2'279'965 bytes
First seen:2023-01-29 04:16:10 UTC
Last seen:2023-01-29 04:44:35 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:okug+21QVzZ88Zjos4hiICtHAQwCizrEdvjCVZrT5keLCgv2MR:hug+21QJZ88Zjosyp+HBwRzANGTT5NvV
TLSH T19AB5330A7187957FC536C6F731302051DB76FD9BA83E17223B1962CE39763A018762AE
TrID 78.6% (.EXE) Inno Setup installer (109740/4/30)
10.1% (.EXE) Win32 Executable Delphi generic (14182/79/4)
3.2% (.EXE) Win32 Executable (generic) (4505/5/1)
2.1% (.MZP) WinArchiver Mountable compressed Archive (3000/1)
1.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
File icon (PE):PE icon
dhash icon 71f0e0ccccf0f0f0 (204 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 :
15
# of downloads :
206
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2023-01-29 04:18:17 UTC
Tags:
installer
Link:
https://app.any.run/tasks/5729c29c-612c-4856-b5e4-e362ec931fab

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/357861/
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
Launching a tool to kill processes
Result
Malware family:
n/a
Score:
  5/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/63745/overview
Behaviour
MalwareBazaar
CheckCmdLine
Verdict:
No Threat
Threat level:
  2/10
Confidence:
100%
Tags:
greyware overlay packed shell32.dll
Link:
https://www.filescan.io/uploads/63d5f33e89bd67c10fdb2d41/reports/24ed69aa-f2c0-4c8d-8ddd-ae48c06f123e/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:
Unknown
Link:
https://analyze.intezer.com/analyses/4d8d026b-28fa-4e1a-97aa-40f62ff9bfce
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1160943
Signature
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
Obfuscated command line found
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 793680 Sample: file.exe Startdate: 29/01/2023 Architecture: WINDOWS Score: 92 48 45.12.253.98 CMCSUS Germany 2->48 50 Snort IDS alert for network traffic 2->50 52 Detected unpacking (changes PE section rights) 2->52 54 Detected unpacking (overwrites its own PE header) 2->54 56 3 other signatures 2->56 10 file.exe 2 2->10         started        signatures3 process4 file5 32 C:\Users\user\AppData\Local\Temp\...\file.tmp, PE32 10->32 dropped 60 Obfuscated command line found 10->60 14 file.tmp 18 17 10->14         started        signatures6 process7 file8 34 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 14->34 dropped 36 C:\Users\user\AppData\Local\...\_isdecmp.dll, PE32 14->36 dropped 38 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 14->38 dropped 40 7 other files (6 malicious) 14->40 dropped 17 finalrecovery.exe 20 14->17         started        process9 dnsIp10 42 45.12.253.56, 49695, 80 CMCSUS Germany 17->42 44 45.12.253.72, 49696, 80 CMCSUS Germany 17->44 46 45.12.253.75, 49697, 80 CMCSUS Germany 17->46 30 C:\Users\user\AppData\...\hr0Bywl6kCX.exe, PE32 17->30 dropped 21 hr0Bywl6kCX.exe 17->21         started        24 cmd.exe 1 17->24         started        file11 process12 signatures13 58 Multi AV Scanner detection for dropped file 21->58 26 taskkill.exe 1 24->26         started        28 conhost.exe 24->28         started        process14
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/6634887a3c875b657b983c3b90e8f0d475526a8d16c900c9aa973d82a98f86cb/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2023-01-29 04:17:07 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
13 of 26 (50.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=my2iq6r4q5nwk64yhq5zb2hq2r2ve2unc3eqbsnks46yfkmpq3fq._file
Verdict:
malicious
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230129-ewcprahf98/
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:
af8bf985a1c5a5693a9ed7eb93c9f3b854bfa8b240196ef8edb36697a87c4f5e
MD5 hash:
f09ab6f259dd7cf15bc9962f32d5a5dd
SHA1 hash:
a38adc6da0276de7d2d8484c4376007277cc6db0
Detections:
win_nymaim_g0
Create hunting rule
Nymaim
Create hunting rule
win_gcleaner_auto
Create hunting rule
Link:
https://www.unpac.me/results/f31116c8-2da3-4b9b-8301-2dad70e4696a/
SH256 hash:
bbd5d6f382015590233d30e24512742f39da803b0a46d418a35fdbf0b06b5fd0
MD5 hash:
dc2cfab54f41a197ae917aaec27f37ce
SHA1 hash:
fa3154fe72581459fa231314b649276ee9e1e25e
Link:
https://www.unpac.me/results/f31116c8-2da3-4b9b-8301-2dad70e4696a/
SH256 hash:
9da727584ed150f9b815546b116767400b0f577db5a17c82d86c55aa346967c2
MD5 hash:
e31953f0635360472466ac4908b0e056
SHA1 hash:
af51959d411f2efa99fdca19cffd335f2057e93a
Link:
https://www.unpac.me/results/f31116c8-2da3-4b9b-8301-2dad70e4696a/
SH256 hash:
6634887a3c875b657b983c3b90e8f0d475526a8d16c900c9aa973d82a98f86cb
MD5 hash:
be209738b354d14c67507e49da9f0f5d
SHA1 hash:
c11da54b998159f881b1277793422ddb70a2342e
Link:
https://www.unpac.me/results/f31116c8-2da3-4b9b-8301-2dad70e4696a/
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/6634887a3c875b657b983c3b90e8f0d475526a8d16c900c9aa973d82a98f86cb

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/357861/
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/

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