MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 20682abe018aec4a079aee79f7912928a057404a2f13b46a9926d50819d33381. 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 9 File information Comments

SHA256 hash: 20682abe018aec4a079aee79f7912928a057404a2f13b46a9926d50819d33381
SHA3-384 hash: 3d065d53d71a813aea516764f303596b779134b2327d7816b8b4036e220ffd02f02fa2a8e07dde167562bb809fe8c974
SHA1 hash: 022e7a5053c290caa2a663230f63c03eaf0281bd
MD5 hash: 104a7e2f5be52b4e2c344469b9b45b3b
humanhash: washington-july-carbon-bravo
File name:LETS_20.1.exe
Download: download sample
Signature Gh0stRAT
File size:53'631'864 bytes
First seen:2025-04-01 16:17:25 UTC
Last seen:2025-04-08 16:03:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 1572864:w4IF15POVK+UposlxJg0AE98Vwxrv60ezZyXBXkyx:hEtG4aslxSPzRzfyx
TLSH T1B5C73322F7CBD539F29E473A4466A16CD2F7B6D0E562E98B86D480EC8F290540C3F752
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 e0c0e8e8e8e8dcf0 (1 x Gh0stRAT)
Reporter GDHJDSYDH1
Tags:202-95-8-53 agent backdoor exe gh0st Gh0stRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
130
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Tags:
dropper virus 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 in the %AppData% subdirectories
Moving a file to the %AppData% subdirectory
Creating a 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 packed packer_detected
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad.expl
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Allocates memory in foreign processes
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
Malicious sample detected (through community Yara rule)
PE file contains section with special chars
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Suricata IDS alerts for network traffic
Writes to foreign memory regions
Yara detected UAC Bypass using CMSTP
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1653935 Sample: LETS_20.1.exe Startdate: 01/04/2025 Architecture: WINDOWS Score: 100 49 ku.kksiss.icu 2->49 51 zhkunk.mlcrosoft.cyou 2->51 65 Suricata IDS alerts for network traffic 2->65 67 Malicious sample detected (through community Yara rule) 2->67 69 Yara detected UAC Bypass using CMSTP 2->69 71 3 other signatures 2->71 10 LETS_20.1.exe 2 2->10         started        13 svchost.exe 2->13         started        signatures3 process4 file5 39 C:\Users\user\AppData\Local\...\LETS_20.1.tmp, PE32 10->39 dropped 15 LETS_20.1.tmp 5 29 10->15         started        process6 file7 41 C:\Users\user\...\vcruntime140_1.dll (copy), PE32+ 15->41 dropped 43 C:\Users\user\...\vcruntime140.dll (copy), PE32+ 15->43 dropped 45 C:\Users\user\AppData\...\vcomp140.dll (copy), PE32+ 15->45 dropped 47 12 other files (11 malicious) 15->47 dropped 18 346a13b3a.exe 1 1 15->18         started        process8 signatures9 57 Writes to foreign memory regions 18->57 59 Allocates memory in foreign processes 18->59 61 Adds a directory exclusion to Windows Defender 18->61 63 2 other signatures 18->63 21 WmiApSrv.exe 1 18->21         started        24 powershell.exe 23 18->24         started        process10 signatures11 73 Writes to foreign memory regions 21->73 75 Allocates memory in foreign processes 21->75 77 Injects a PE file into a foreign processes 21->77 26 sihost.exe 1 2 21->26 injected 29 svchost.exe 21->29 injected 31 svchost.exe 21->31 injected 37 4 other processes 21->37 79 Loading BitLocker PowerShell Module 24->79 33 WmiPrvSE.exe 24->33         started        35 conhost.exe 24->35         started        process12 dnsIp13 53 ku.kksiss.icu 202.95.8.53, 45, 63215 BCPL-SGBGPNETGlobalASNSG Singapore 26->53 55 192.168.2.1 unknown unknown 29->55
Gathering data
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-04-01 16:36:36 UTC
File Type:
PE (Exe)
AV detection:
8 of 24 (33.33%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
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
Author:malware-lu
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:malware_shellcode_hash
Author:JPCERT/CC Incident Response Group
Description:detect shellcode api hash value
Rule name:pe_detect_tls_callbacks
Rule name:shellcode
Author:nex
Description:Matched shellcode byte patterns
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:upxHook
Author:@r3dbU7z
Description:Detect artifacts from 'upxHook' - modification of UPX packer
Reference:https://bazaar.abuse.ch/sample/6352be8aa5d8063673aa428c3807228c40505004320232a23d99ebd9ef48478a/

File information


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

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