MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 def808bed70d77ec70f201b7f9edc125295d26128df9e7e1796311742fc0d00a. 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



ValleyRAT


Vendor detections: 12


Intelligence 12 IOCs YARA 6 File information Comments

SHA256 hash: def808bed70d77ec70f201b7f9edc125295d26128df9e7e1796311742fc0d00a
SHA3-384 hash: e80d181b1488ebd6f6e09659d58ed518b37de652294ffd21ecc5f2232ba3447cdd57146ba34da0ff11cec97e8f969683
SHA1 hash: ab0e0bec78013e6406148f1dbc527756af31e988
MD5 hash: 17ae5643e60881d69e3e25122ca1fc67
humanhash: speaker-shade-delta-florida
File name:DEF808BED70D77EC70F201B7F9EDC125295D26128DF9E7E1796311742FC0D00A.exe
Download: download sample
Signature ValleyRAT
File size:6'745'048 bytes
First seen:2024-12-25 06:41:55 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 40ab50289f7ef5fae60801f88d4541fc (59 x ValleyRAT, 49 x Gh0stRAT, 41 x OffLoader)
ssdeep 98304:XwREcprT7QWG+nv/e5278iPYuHUtFdghxOdVig1QxqQNDhA62sSZNXbIAdMwZgg:lcp1G+v/e5wXHPmVlQAQNHSZNMG/
TLSH T184661213F2CBD43EF05E0B3B15B2A55484FBBA616922AD5286ECB4ECCE354601D3E647
TrID 39.3% (.EXE) Inno Setup installer (107240/4/30)
21.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
15.7% (.EXE) InstallShield setup (43053/19/16)
15.2% (.EXE) Win32 EXE PECompact compressed (generic) (41569/9/9)
3.8% (.EXE) Win64 Executable (generic) (10522/11/4)
Magika pebin
File icon (PE):PE icon
dhash icon 5050d270cccc82ae (109 x Adware.Generic, 43 x LummaStealer, 42 x OffLoader)
Reporter zhuzhu0009
Tags:backdoor exe SilverFox ValleyRAT winos

Intelligence


File Origin
# of uploads :
1
# of downloads :
582
Origin country :
SG SG
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
DEF808BED70D77EC70F201B7F9EDC125295D26128DF9E7E1796311742FC0D00A.exe
Verdict:
Suspicious activity
Analysis date:
2024-12-25 06:44:04 UTC
Tags:
n/a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
94.9%
Tags:
injection dropper shell
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 process with a hidden window
Restart of the analyzed sample
Creating a file in the Program Files subdirectories
Moving a file to the Program Files subdirectory
Creating a service
Launching a service
Running batch commands
Launching a process
Forced system process termination
Loading a system driver
Enabling the 'hidden' option for recently created files
Creating a file
Deleting a recently created file
Launching the process to change the firewall settings
Enabling autorun for a service
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
embarcadero_delphi fingerprint installer overlay packed packer_detected
Result
Verdict:
UNKNOWN
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
96 / 100
Signature
Adds a directory exclusion to Windows Defender
AI detected suspicious sample
Contains functionality to hide a thread from the debugger
Found driver which could be used to inject code into processes
Hides threads from debuggers
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
Protects its processes via BreakOnTermination flag
Query firmware table information (likely to detect VMs)
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1580559 Sample: yvaKqhmD4L.exe Startdate: 25/12/2024 Architecture: WINDOWS Score: 96 92 Multi AV Scanner detection for dropped file 2->92 94 Multi AV Scanner detection for submitted file 2->94 96 Found driver which could be used to inject code into processes 2->96 98 3 other signatures 2->98 10 yvaKqhmD4L.exe 2 2->10         started        13 cmd.exe 2->13         started        15 cmd.exe 2->15         started        17 31 other processes 2->17 process3 file4 88 C:\Users\user\AppData\...\yvaKqhmD4L.tmp, PE32 10->88 dropped 19 yvaKqhmD4L.tmp 3 5 10->19         started        23 sc.exe 1 13->23         started        25 sc.exe 1 15->25         started        27 sc.exe 1 17->27         started        29 sc.exe 1 17->29         started        31 sc.exe 1 17->31         started        33 27 other processes 17->33 process5 file6 74 C:\Users\user\AppData\Local\...\update.vbc, PE32 19->74 dropped 76 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 19->76 dropped 100 Adds a directory exclusion to Windows Defender 19->100 35 yvaKqhmD4L.exe 2 19->35         started        38 powershell.exe 23 19->38         started        41 conhost.exe 23->41         started        43 conhost.exe 25->43         started        45 conhost.exe 27->45         started        47 conhost.exe 29->47         started        49 conhost.exe 31->49         started        51 conhost.exe 33->51         started        53 26 other processes 33->53 signatures7 process8 file9 78 C:\Users\user\AppData\...\yvaKqhmD4L.tmp, PE32 35->78 dropped 55 yvaKqhmD4L.tmp 4 15 35->55         started        102 Loading BitLocker PowerShell Module 38->102 59 conhost.exe 38->59         started        61 WmiPrvSE.exe 38->61         started        signatures10 process11 file12 80 C:\Users\user\AppData\Local\...\update.vbc, PE32 55->80 dropped 82 C:\Program Files (x86)\Windows NT\hrsw.vbc, PE32 55->82 dropped 84 C:\Users\user\AppData\Local\...\_setup64.tmp, PE32+ 55->84 dropped 86 C:\Program Files (x86)\Windows NT\7zr.exe, PE32 55->86 dropped 104 Query firmware table information (likely to detect VMs) 55->104 106 Protects its processes via BreakOnTermination flag 55->106 108 Hides threads from debuggers 55->108 110 Contains functionality to hide a thread from the debugger 55->110 63 7zr.exe 2 55->63         started        66 7zr.exe 7 55->66         started        68 Conhost.exe 55->68         started        signatures13 process14 file15 90 C:\Program Files (x86)\...\tProtect.dll, PE32+ 63->90 dropped 70 conhost.exe 63->70         started        72 conhost.exe 66->72         started        process16
Threat name:
Win32.Trojan.Malgent
Status:
Malicious
First seen:
2024-12-25 06:42:07 UTC
File Type:
PE (Exe)
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Behaviour
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Launches sc.exe
Drops file in System32 directory
Suspicious use of NtSetInformationThreadHideFromDebugger
Checks computer location settings
Executes dropped EXE
Loads dropped DLL
Command and Scripting Interpreter: PowerShell
Creates new service(s)
Unpacked files
SH256 hash:
6be27c26eedb1eb00e2c1aca690bc6219be8cef2a641d99ca61d75d4b81788e1
MD5 hash:
c2679b5b3f2eef1f3437575bfc2946f2
SHA1 hash:
1c355914194fd4298f8b1dd6da8f5736929a26bb
SH256 hash:
def808bed70d77ec70f201b7f9edc125295d26128df9e7e1796311742fc0d00a
MD5 hash:
17ae5643e60881d69e3e25122ca1fc67
SHA1 hash:
ab0e0bec78013e6406148f1dbc527756af31e988
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:pe_detect_tls_callbacks
Rule name:RansomPyShield_Antiransomware
Author:XiAnzheng
Description:Check for Suspicious String and Import combination that Ransomware mostly abuse(can create FP)
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)

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
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

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