MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6
SHA3-384 hash: dcdf88fb9b9a9f3c1d2a0249b5235bc5dde934ad6f1a46cdb0424134bfc605f3a6db2dde0b1d96bc63cc452f412b1302
SHA1 hash: 3d60ddc3a0b7543227dc95065503a7a5dc77d6d4
MD5 hash: 36d2099c663950fccf594436ab41e8bc
humanhash: michigan-high-bacon-echo
File name:36d2099c663950fccf594436ab41e8bc.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:200'192 bytes
First seen:2024-02-21 06:58:43 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash eb8c844ad14da407481e1c81cd466558 (6 x Stealc, 2 x GCleaner)
ssdeep 3072:hTJ8ogb5JsU632IgWlrTQf9jrP0NZYMmXO6yUh73XnP+9OEv:hV/gtJsU6YWlrUf9wZYM56f36
Threatray 32 similar samples on MalwareBazaar
TLSH T12A14E02473E1C431D4CB563194F4E6B65E3AF86213B469CBABA42F3E5EB03D05A79306
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon d2f0e4c4ccf9c6f9 (5 x Stealc, 1 x LummaStealer, 1 x RedLineStealer)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
316
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/477216/
Detection(s):
SecuriteInfo.com.Win32.PWSX-gen.12826.20898.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending an HTTP GET request to an infection source
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Searching for the window
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Launching a tool to kill processes
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
fingerprint packed
Link:
https://www.filescan.io/uploads/65d59f3b22703c3491a8c0a7/reports/9eebc361-baf0-4e87-81d2-617f61cf9fb4/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6
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/cf602854-da9e-44a9-aa65-3b0b1992a3c7
Result
Threat name:
GCleaner, RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1395879
Signature
.NET source code contains very large array initializations
Antivirus detection for URL or domain
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to steal Crypto Currency Wallets
Yara detected GCleaner
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1395879 Sample: hkXE3abs6j.exe Startdate: 21/02/2024 Architecture: WINDOWS Score: 100 50 Snort IDS alert for network traffic 2->50 52 Multi AV Scanner detection for domain / URL 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 8 other signatures 2->56 7 hkXE3abs6j.exe 17 2->7         started        12 qemu-ga.exe 2->12         started        process3 dnsIp4 36 185.172.128.90, 49707, 80 NADYMSS-ASRU Russian Federation 7->36 38 5.42.65.115, 49708, 80 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 7->38 30 C:\Users\user\AppData\...\Z0hLhdCkgG.exe, PE32 7->30 dropped 32 C:\Users\user\AppData\Local\...\TWO[1].file, PE32 7->32 dropped 60 Detected unpacking (changes PE section rights) 7->60 62 Detected unpacking (overwrites its own PE header) 7->62 14 Z0hLhdCkgG.exe 6 7->14         started        19 cmd.exe 1 7->19         started        64 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->64 file5 signatures6 process7 dnsIp8 40 85.209.11.85, 41140, 49709 SYNGB Russian Federation 14->40 34 C:\Users\user\AppData\Roaming\...\qemu-ga.exe, PE32 14->34 dropped 42 Multi AV Scanner detection for dropped file 14->42 44 Detected unpacking (overwrites its own PE header) 14->44 46 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 14->46 48 6 other signatures 14->48 21 qemu-ga.exe 14->21         started        24 WerFault.exe 19 16 14->24         started        26 taskkill.exe 1 19->26         started        28 conhost.exe 19->28         started        file9 signatures10 process11 signatures12 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 21->58
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6/
Threat name:
Win32.Trojan.Convagent
Create hunting rule
Status:
Malicious
First seen:
2024-02-21 06:14:08 UTC
File Type:
PE (Exe)
Extracted files:
5
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtak6joxjtdcutg65lakpmm4n4uuj64vs3sgsccbboil6vapugta._file
Verdict:
malicious
Similar samples:
110c64b4a03a6ed6c8ffd2baba0a5831fd8bd59ca6b23d6e885a8f34e13461fc
GCleaner
733245a6bf406f721212386ea509819d47141706099582d6094cb7a06817d34e
GCleaner
b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6
GCleaner
d8fc9a7c6db8a578346d38375a467bdaec5e184149613bf7d1a4c5108ceb2b7c
GCleaner
d930ff3e1d83a347d05e9ccc86460e3ba2463a7284471081ff6c578ff5c6133a
GCleaner
edf1e3dcedbd126aab837c69aa8b81dd3767df139b0d17c1fafcac5a84627fa1
GCleaner
+ 22 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Link:
https://tria.ge/reports/240221-hr3xxscf9v/
Behaviour
Kills process with taskkill
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Checks computer location settings
Deletes itself
Unpacked files
SH256 hash:
110c64b4a03a6ed6c8ffd2baba0a5831fd8bd59ca6b23d6e885a8f34e13461fc
MD5 hash:
fa092cd96d9916f2e247067653cd1110
SHA1 hash:
b21b8b0914adc6d9c8a1d83e0ca0ddb83cd28d23
Link:
https://www.unpac.me/results/11fe66bb-cc2a-478a-9ebd-1a6ef49f5437/
Parent samples :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 hash:
b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6
MD5 hash:
36d2099c663950fccf594436ab41e8bc
SHA1 hash:
3d60ddc3a0b7543227dc95065503a7a5dc77d6d4
Link:
https://www.unpac.me/results/11fe66bb-cc2a-478a-9ebd-1a6ef49f5437/
Malware family:
RedNet
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/b4c0af25d74c/report/overview.html
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/b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Create hunting rule
Author:Didier Stevens (https://DidierStevens.com)
Rule name:Windows_Generic_Threat_97c1a260
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Smokeloader_3687686f
Create hunting rule
Author:Elastic Security

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

GCleaner

Executable exe b4c0af25d74cc62a4cdeeac0a7b19c6f2944fb9596e46908410b90bf540fa1a6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/2755494/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2755475/
Cape
Cape
https://www.capesandbox.com/analysis/477216/

Comments