MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4b0f381813efd51a931c3ecd7f9d004ad416ae2b5df70d5278a73682ae2332e. 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


Gh0stRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: a4b0f381813efd51a931c3ecd7f9d004ad416ae2b5df70d5278a73682ae2332e
SHA3-384 hash: a8de2499ff952c8a40d86e14ac0f20f4fecce9c82ecc141549cdde7f129cc794d20ad821f7ebe6a84d913487ad5c37c0
SHA1 hash: 12d8bf03f1123e085ad0973522eb9f46f326f69d
MD5 hash: b272a04e9c1b350cb771e69c77192cca
humanhash: lake-fourteen-papa-india
File name:ww_uu_gool_uu_yy.exe
Download: download sample
Signature Gh0stRAT
Create hunting rule
File size:66'694'830 bytes
First seen:2025-04-29 13:55:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash efd455830ba918de67076b7c65d86586 (59 x Gh0stRAT, 19 x ValleyRAT, 6 x OffLoader)
ssdeep 1572864:QKQQuOfNbYGIGb6NWq2kC7FqUc25OvTIvhsyil2zIwRm7a:QouOFbXbSWqFWO20svhsPl2zZme
TLSH T1BDE73313F2CF6137D5AD49365536E22146BB7E21A6260C5287E8C8ACDF2E0E51E7F312
TrID 62.3% (.EXE) Inno Setup installer (107240/4/30)
24.1% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
6.1% (.EXE) Win64 Executable (generic) (10522/11/4)
2.6% (.EXE) Win32 Executable (generic) (4504/4/1)
1.2% (.EXE) Win16/32 Executable Delphi generic (2072/23)
Magika pebin
dhash icon e0f0e9cdcdeac4e0 (1 x Gh0stRAT)
Reporter aachum
Tags:exe Gh0stRAT


Avatar
iamaachum
https://gzkw.wlopsd.cn/llq/?bd_vid=11415182811781479915 => https://gzkw.wlopsd.cn/llq/ww_uu_gool_uu_yy.zip

C2: lu.dssiss.icu

Intelligence

File Origin
# of uploads :
1
# of downloads :
473
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
ww_uu_gool_uu_yy.exe
Verdict:
Malicious activity
Analysis date:
2025-04-29 13:57:57 UTC
Tags:
phishing lua
Link:
https://app.any.run/tasks/7c460a9f-be57-41ad-91da-61b787d68607

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
98.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6810ddebc8b2e86d0ac47245
Tags:
shellcode dropper blic
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Creating a file in the %temp% subdirectories
Creating a window
Creating a process from a recently created file
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file
Moving a recently created file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
adaptive-context embarcadero_delphi fingerprint installer overlay overlay packed packed packer_detected
Link:
https://www.filescan.io/uploads/6810da7ea8d43a4dd6129a83/reports/a6af643f-2b44-46d7-9411-f965eec7899c/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/a4b0f381813efd51a931c3ecd7f9d004ad416ae2b5df70d5278a73682ae2332e
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1677372
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
Changes security center settings (notifications, updates, antivirus, firewall)
Found direct / indirect Syscall (likely to bypass EDR)
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
PE file contains section with special chars
Sigma detected: Execution from Suspicious Folder
Sigma detected: Parent in Public Folder Suspicious Process
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Tries to detect virtualization through RDTSC time measurements
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1677372 Sample: ww_uu_gool_uu_yy.exe Startdate: 29/04/2025 Architecture: WINDOWS Score: 100 66 lu.dssiss.icu 2->66 68 zhllds.mlcrosoft.cyou 2->68 82 Suricata IDS alerts for network traffic 2->82 84 PE file contains section with special chars 2->84 86 Joe Sandbox ML detected suspicious sample 2->86 88 3 other signatures 2->88 11 ww_uu_gool_uu_yy.exe 2 2->11         started        14 svchost.exe 2->14         started        17 svchost.exe 1 1 2->17         started        20 6 other processes 2->20 signatures3 process4 dnsIp5 60 C:\Users\user\...\ww_uu_gool_uu_yy.tmp, PE32 11->60 dropped 22 ww_uu_gool_uu_yy.tmp 5 35 11->22         started        98 Changes security center settings (notifications, updates, antivirus, firewall) 14->98 25 MpCmdRun.exe 14->25         started        62 127.0.0.1 unknown unknown 17->62 64 192.168.2.1 unknown unknown 20->64 file6 signatures7 process8 file9 52 C:\Users\Public\...\F0j0RSKP40C.exe (copy), PE32+ 22->52 dropped 54 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 22->54 dropped 56 C:\Users\Public\c4c9ec73\...\is-PNVU7.tmp, PE32 22->56 dropped 58 4 other files (none is malicious) 22->58 dropped 27 F0j0RSKP40C.exe 1 22->27         started        30 conhost.exe 25->30         started        process10 signatures11 90 Writes to foreign memory regions 27->90 92 Allocates memory in foreign processes 27->92 94 Adds a directory exclusion to Windows Defender 27->94 96 2 other signatures 27->96 32 WmiApSrv.exe 27->32         started        35 powershell.exe 23 27->35         started        process12 signatures13 72 Uses schtasks.exe or at.exe to add and modify task schedules 32->72 74 Writes to foreign memory regions 32->74 76 Allocates memory in foreign processes 32->76 78 Injects a PE file into a foreign processes 32->78 37 sihost.exe 32->37 injected 40 schtasks.exe 32->40         started        42 svchost.exe 32->42 injected 48 3 other processes 32->48 80 Loading BitLocker PowerShell Module 35->80 44 WmiPrvSE.exe 35->44         started        46 conhost.exe 35->46         started        process14 dnsIp15 70 lu.dssiss.icu 154.91.82.107, 45, 58885 ITACE-AS-APItaceInternationalLimitedHK Seychelles 37->70 50 conhost.exe 40->50         started        process16
Score:
42%
Verdict:
Susipicious
File Type:
PE
Link:
https://malprob.io/report/a4b0f381813efd51a931c3ecd7f9d004ad416ae2b5df70d5278a73682ae2332e
Gathering data
Threat name:
Win32.Trojan.Kepavll
Create hunting rule
Status:
Malicious
First seen:
2025-04-29 13:56:18 UTC
File Type:
PE (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=usyphambh36vdkjrypwnp6oqaswuc2xcwxpxbvjhrjzwqkxcgmxa._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Link:
https://tria.ge/reports/250429-q8r6rasmz2/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Verdict:
Malicious
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/5ebffca2-4983-4751-b161-1b6a93d5b9d3
Please note that we are no longer able to provide a coverage score for Virus Total.

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:pe_detect_tls_callbacks
Create hunting rule
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns
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)

File information

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

Web download

Gh0stRAT

Executable exe a4b0f381813efd51a931c3ecd7f9d004ad416ae2b5df70d5278a73682ae2332e

(this sample)

  
Link
https://tria.ge/250429-qvnw6sskw2/behavioral1
  
Delivery method
Distributed via web download

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_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
AUTH_APIManipulates User Authorizationadvapi32.dll::AllocateAndInitializeSid
advapi32.dll::ConvertSidToStringSidW
advapi32.dll::ConvertStringSecurityDescriptorToSecurityDescriptorW
advapi32.dll::EqualSid
advapi32.dll::FreeSid
SECURITY_BASE_APIUses Security Base APIadvapi32.dll::AdjustTokenPrivileges
advapi32.dll::GetTokenInformation
WIN32_PROCESS_APICan Create Process and Threadskernel32.dll::CreateProcessW
advapi32.dll::OpenProcessToken
advapi32.dll::OpenThreadToken
kernel32.dll::CloseHandle
kernel32.dll::CreateThread
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
kernel32.dll::LoadLibraryExW
kernel32.dll::LoadLibraryW
kernel32.dll::GetDriveTypeW
kernel32.dll::GetVolumeInformationW
kernel32.dll::GetSystemInfo
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateDirectoryW
kernel32.dll::CreateFileW
kernel32.dll::DeleteFileW
kernel32.dll::GetWindowsDirectoryW
kernel32.dll::GetSystemDirectoryW
kernel32.dll::GetFileAttributesW
WIN_BASE_USER_APIRetrieves Account Informationadvapi32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows Registryadvapi32.dll::RegOpenKeyExW
advapi32.dll::RegQueryValueExW
WIN_USER_APIPerforms GUI Actionsuser32.dll::PeekMessageW
user32.dll::CreateWindowExW

Comments