MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f. 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 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f
SHA3-384 hash: d799ea7c639b208b42e1e88168856c4a22df4d6aba447f481a9e27d3ae69d5466e1541f224195ecbd4cf099fd5f2561b
SHA1 hash: a26dec00306759644c87949d931133e493e84b2b
MD5 hash: 4dda58c062265854e9b2addb627ef7fc
humanhash: lake-orange-sink-louisiana
File name:random.exe
Download: download sample
Signature GCleaner
Create hunting rule
File size:4'667'392 bytes
First seen:2025-04-04 08:42:49 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2eabe9054cad5152567f0699947a2c5b (2'852 x LummaStealer, 1'312 x Stealc, 1'026 x Healer)
ssdeep 98304:bEWi00C8RjFFCsOiTRp42ELxE0VbNo3Ado1VG6O6rxgudWB9:bPC/bO+p4xF/VZo3A6HG6OWxguo9
TLSH T1FE263319B335146ED4740DF513DF4E2EBB818B10966B8F2366A5E37E2B2D642F2D20E4
TrID 35.7% (.EXE) Win32 Executable (generic) (4504/4/1)
16.4% (.EXE) Win16/32 Executable Delphi generic (2072/23)
16.0% (.EXE) OS/2 Executable (generic) (2029/13)
15.8% (.EXE) Generic Win/DOS Executable (2002/3)
15.8% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon e0f8fafbc3f3f8d8 (41 x GCleaner, 3 x Amadey, 1 x Rhadamanthys)
Reporter abuse_ch
Tags:exe gcleaner

Intelligence

File Origin
# of uploads :
1
# of downloads :
20
Origin country :
NL NL
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/540/
Detection(s):
SecuriteInfo.com.Trojan.Lumma-1.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
97.4%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67ef9ee6855e5ec5240dddff
Tags:
cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a window
Using the Windows Management Instrumentation requests
Creating a file in the %temp% directory
Creating a process from a recently created file
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
borland_delphi packed packed packer_detected
Link:
https://www.filescan.io/uploads/67ef9ba240adfb5162b8e6eb/reports/cf88626e-fdff-49b7-9448-78f7129b3bdc/overview
Verdict:
Malicious
Labled as:
Zusy.Generic
Link:
https://www.hybrid-analysis.com/sample/bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f
Verdict:
Suspicious
Link:
https://analyze.intezer.com/analyses/b749b51e-da0f-49f6-ab42-181b945753d9
Result
Threat name:
CryptOne
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1656444
Signature
Allocates memory in foreign processes
Detected unpacking (changes PE section rights)
Hides threads from debuggers
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Sample uses process hollowing technique
Tries to detect process monitoring tools (Task Manager, Process Explorer etc.)
Tries to detect sandboxes / dynamic malware analysis system (registry check)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to detect virtualization through RDTSC time measurements
Tries to evade debugger and weak emulator (self modifying code)
Writes to foreign memory regions
Yara detected CryptOne packer
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f/
Threat name:
Win32.Trojan.Tepfer
Create hunting rule
Status:
Malicious
First seen:
2025-04-03 13:02:05 UTC
File Type:
PE (Exe)
Extracted files:
32
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=x6cvebd4v4q6xn5mk23sd32rycknongkvyervr3cafaphavjbghq._file
Result
Malware family:
gcleaner
Create hunting rule
Score:
  10/10
Tags:
family:gcleaner defense_evasion discovery loader
Link:
https://tria.ge/reports/250404-kmpwlswkt3/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Suspicious use of SetThreadContext
Checks BIOS information in registry
Executes dropped EXE
Identifies Wine through registry keys
Downloads MZ/PE file
Identifies VirtualBox via ACPI registry values (likely anti-VM)
GCleaner
Gcleaner family
Malware Config
C2 Extraction:
185.156.73.98
45.91.200.135
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/24bd6be8-51a8-4a20-84b0-99ffcd3f2092
Unpacked files
SH256 hash:
bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f
MD5 hash:
4dda58c062265854e9b2addb627ef7fc
SHA1 hash:
a26dec00306759644c87949d931133e493e84b2b
Link:
https://www.unpac.me/results/d0b43245-7fab-4083-89f5-cce1b46888a2/
SH256 hash:
5fef4380709d47394e2df9164302bae9258c697db3efd3444d49c80e54cf6bd8
MD5 hash:
fb39a041af005cf18b1647de662dc3aa
SHA1 hash:
309c70055c3c211fa42c5551fd09aa1285be738a
Detections:
GCleaner
Create hunting rule
Link:
https://www.unpac.me/results/d0b43245-7fab-4083-89f5-cce1b46888a2/
Malware family:
GCleaner
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/bf8552047caf/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/bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f

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:Borland
Create hunting rule
Author:malware-lu
Rule name:Check_OutputDebugStringA_iat
Create hunting rule
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:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:pe_detect_tls_callbacks
Create hunting rule
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

GCleaner

Executable exe bf8552047caf21ebb7ac56b721ef51c094d734caae091ac7620140f382a9098f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3452038/
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/540/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_NXMissing Non-Executable Memory Protectioncritical
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments