MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 18b3b56c1e91574a0f64e154ee7b158d3032475413c078b45d85775d01f3725a. 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: 18b3b56c1e91574a0f64e154ee7b158d3032475413c078b45d85775d01f3725a
SHA3-384 hash: 189d6bcbe7419c850bad9bab5af51fc01b912496954231ecd18378f2609bf60d0ab53fa1678044fae8c56de572861a57
SHA1 hash: a6f210b30647b76c6aa3bf76e3a85e15ac0bc323
MD5 hash: e42ae751b1f78dbbf02cc4e283bfaae7
humanhash: timing-stairway-autumn-cola
File name:file
Download: download sample
Signature GCleaner
Create hunting rule
File size:1'239'081 bytes
First seen:2023-07-27 15:32:00 UTC
Last seen:2023-07-27 16:18:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 884310b1928934402ea6fec1dbd3cf5e (3'725 x GCleaner, 3'446 x Socks5Systemz, 262 x RaccoonStealer)
ssdeep 24576:r2lo7QH2MD+KCyqZYhcJpM+5JqfUqM2I1ZT+jYv1Mh9GxanV:r2q7QHjiYqZh7jJqM2IZ1MhMxOV
Threatray 25 similar samples on MalwareBazaar
TLSH T1F44523B296C9443AC0B3FAB02D358066B6B23D60183674A43CED5B5C6FB75D1FA4A353
TrID 50.8% (.EXE) Win32 Executable PowerBASIC/Win 9.x (148303/79/28)
37.6% (.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://45.12.253.74/pineapple.php?pub=mixinte

Intelligence

File Origin
# of uploads :
2
# of downloads :
293
Origin country :
US US
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
file
Verdict:
No threats detected
Analysis date:
2023-07-27 15:33:39 UTC
Tags:
installer
Link:
https://app.any.run/tasks/9339679e-c048-444f-8624-1ca88e3f16c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/435211/
Detection(s):
SecuriteInfo.com.FileRepMalware.11994.27711.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
Launching the process to interact with network services
Modifying a system file
Sending a custom TCP request
Launching a process
Creating a file in the %AppData% subdirectories
Running batch commands
Creating a process with a hidden window
Launching a tool to kill processes
Sending an HTTP GET request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
89%
Tags:
control gcleaner greyware installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/64c28df4907b8030b17b9fe5/reports/e8ab3164-3fa1-44c9-980a-0f28e4768998/overview
Verdict:
Malicious
Link:
https://www.hybrid-analysis.com/sample/18b3b56c1e91574a0f64e154ee7b158d3032475413c078b45d85775d01f3725a
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.
Malware family:
RedLine stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/dcf53850-608c-4308-b4ff-db9a7ff573d4
Result
Threat name:
Nymaim
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1281297
Signature
Antivirus detection for dropped file
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)
Found malware configuration
Machine Learning detection for dropped file
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic
Yara detected Nymaim
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1281297 Sample: file.exe Startdate: 27/07/2023 Architecture: WINDOWS Score: 100 53 45.12.253.98 CMCSUS Germany 2->53 55 Snort IDS alert for network traffic 2->55 57 Found malware configuration 2->57 59 Antivirus detection for URL or domain 2->59 61 7 other signatures 2->61 10 file.exe 2 2->10         started        signatures3 process4 file5 37 C:\Users\user\AppData\Local\...\file.exe.tmp, PE32 10->37 dropped 13 file.exe.tmp 11 102 10->13         started        process6 file7 39 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 13->39 dropped 41 C:\Users\user\AppData\Local\...\_iscrypt.dll, PE32 13->41 dropped 43 C:\...\unins000.exe (copy), PE32 13->43 dropped 45 8 other files (6 malicious) 13->45 dropped 16 FJSpacer727.exe 22 13->16         started        20 net.exe 1 13->20         started        process8 dnsIp9 47 45.12.253.56, 49718, 80 CMCSUS Germany 16->47 49 45.12.253.72, 49719, 80 CMCSUS Germany 16->49 51 45.12.253.75, 49720, 80 CMCSUS Germany 16->51 35 C:\Users\user\AppData\Roaming\...\1rv4vT.exe, PE32 16->35 dropped 22 1rv4vT.exe 16->22         started        25 cmd.exe 1 16->25         started        27 conhost.exe 20->27         started        29 net1.exe 1 20->29         started        file10 process11 signatures12 63 Multi AV Scanner detection for dropped file 22->63 31 taskkill.exe 1 25->31         started        33 conhost.exe 25->33         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/18b3b56c1e91574a0f64e154ee7b158d3032475413c078b45d85775d01f3725a/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2023-07-27 15:32:11 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=dcz3k3a6sfluud3e4fko46yvruyder2ucpahrnc5qv3v2aptojna._file
Verdict:
malicious
Similar samples:
2803ae07af0576674bbe5b71be2061c85fb0cd18d9daf78bcd4f8e38a836fe6b
GCleaner
28e0e5becfb8045063d9c9403bb7491aa14143f86074c0e63d54402841d2d905
GCleaner
28e838bca38d402be2669364c269c54e2c5d41e53c140a369c8e28664d5e2468
GCleaner
59eec0291982627f2173cf765b4205736c4f4bea3ad6a5b6995dd83215487c46
GCleaner
8f4c1ec0371f704f03a7d822156d38c2d227a986d331a5c403de5b555161b2f2
GCleaner
a34d0fdeea7adfbeac5dfb025c2ebf21b19c55d290c72f5705a7e3b331c41638
GCleaner
af0fdd68cdda6201f5549c393836182d2dc450aff3c456556bc9b07c2a72d569
GCleaner
bd8196d15198965d4ba84e9113ab0926d68f3fd532f9770190cba2518dbb18e7
GCleaner
c0eb4f6136ced01edd1b17b7dfceddcbbbad6126038df543b4409b967da0f380
GCleaner
dbce465600f880bdff8e64742a1728049bf44ffe7c7aec9f605e87ab859921df
GCleaner
+ 15 additional samples on MalwareBazaar
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner discovery loader
Link:
https://tria.ge/reports/230727-sylx4age3y/
Behaviour
Kills process with taskkill
Runs net.exe
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
Executes dropped EXE
Loads dropped DLL
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:
81255c1b18009ed404f7baae76151b185b3e9769eb6b17c81bba4d1093fe76f9
MD5 hash:
e1c6eec8cfd12dda7a8a674e43c05a19
SHA1 hash:
5c87341ab19a77ebe8f1ce1292ff130aab8aa92b
Link:
https://www.unpac.me/results/8b03151c-f22d-4e38-b56b-6a019e5ca6ea/
SH256 hash:
62d7c943fbfc43627dcccbdd11249126fda8369e02e5622475edfef2cf83156d
MD5 hash:
5647c8f2569de7986cc55b399f99d33b
SHA1 hash:
a98962b2e8566c2e21d4e800d4006e37bb5590f5
Link:
https://www.unpac.me/results/8b03151c-f22d-4e38-b56b-6a019e5ca6ea/
SH256 hash:
f70de72771780fa99ff515c7029a0ee9d57adfb145aba7f5661f7a1f39ac6ff2
MD5 hash:
b54db3ed0b7d0e9f19a910206557490f
SHA1 hash:
698ff5ea7fc534dde28c325b0080d8a57bb28d8f
Link:
https://www.unpac.me/results/8b03151c-f22d-4e38-b56b-6a019e5ca6ea/
SH256 hash:
18b3b56c1e91574a0f64e154ee7b158d3032475413c078b45d85775d01f3725a
MD5 hash:
e42ae751b1f78dbbf02cc4e283bfaae7
SHA1 hash:
a6f210b30647b76c6aa3bf76e3a85e15ac0bc323
Link:
https://www.unpac.me/results/8b03151c-f22d-4e38-b56b-6a019e5ca6ea/
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/18b3b56c1e91574a0f64e154ee7b158d3032475413c078b45d85775d01f3725a

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
  
URLhaus
https://urlhaus.abuse.ch/url/2509470/
Cape
Cape
https://www.capesandbox.com/analysis/435211/

Comments