MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6c9eb64005c8cb42e9d2738096c0c6fc6708da8204aed186946a51f7f5c093c. 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 1 YARA 12 File information Comments

SHA256 hash: d6c9eb64005c8cb42e9d2738096c0c6fc6708da8204aed186946a51f7f5c093c
SHA3-384 hash: 2ec00fde350d901673b16d4348e5fde741a6d339042848252944800cc6e63f5ddd425e0bb5068a88a2ce350bf07779b8
SHA1 hash: 5605376afe7b16c9aed2a833be442a5efe66ac46
MD5 hash: a4b5a115d3e3fac823ef345a4891219a
humanhash: white-oxygen-aspen-march
File name:a4b5a115d3e3fac823ef345a4891219a.exe
Download: download sample
Signature ValleyRAT
File size:4'036'504 bytes
First seen:2025-05-19 02:10:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7968509c8a89e8e13f52d4a87d64eaac (3 x ValleyRAT)
ssdeep 98304:8j6dd1dybW7yGsetV9RIke8IfASyINQEzjSGN4fFe:8j2Mdgt5I3ywSrfQ
TLSH T15A1612217BD0D036D2A312719E39F36119BEB9311A31768BA7DD2B2D6EB45C28E34713
TrID 48.8% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
16.4% (.EXE) Win64 Executable (generic) (10522/11/4)
10.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
7.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
dhash icon d1d4b2b2b2b2cc72 (4 x Gh0stRAT, 2 x AveMariaRAT, 2 x ValleyRAT)
Reporter abuse_ch
Tags:exe RAT ValleyRAT


Avatar
abuse_ch
ValleyRAT C2:
43.243.73.197:9090

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
43.243.73.197:9090 https://threatfox.abuse.ch/ioc/1525463/

Intelligence


File Origin
# of uploads :
1
# of downloads :
549
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a4b5a115d3e3fac823ef345a4891219a.exe
Verdict:
Malicious activity
Analysis date:
2025-05-19 02:12:38 UTC
Tags:
silverfox backdoor valleyrat winos rat

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
cobalt emotet
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Connection attempt
Running batch commands
Creating a file in the %AppData% directory
Creating a file in the %AppData% subdirectories
Moving a recently created file
Creating a process from a recently created file
Launching a process
Adding an exclusion to Microsoft Defender
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
adaptive-context anti-vm explorer fingerprint fingerprint lolbin microsoft_visual_cc overlay packed packed packer_detected
Result
Threat name:
GhostRat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
Adds a directory exclusion to Windows Defender
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Connects to many ports of the same IP (likely port scanning)
Contains functionality to infect the boot sector
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Rare Remote Thread Creation By Uncommon Source Image
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Yara detected GhostRat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1693673 Sample: BrBmnhPLui.exe Startdate: 19/05/2025 Architecture: WINDOWS Score: 100 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 Multi AV Scanner detection for submitted file 2->79 81 6 other signatures 2->81 9 BrBmnhPLui.exe 11 2->9         started        14 svchost.exe 1 1 2->14         started        16 insttect.exe 2->16         started        process3 dnsIp4 71 43.243.73.197, 18852, 18853, 49713 SUNHK-DATA-AS-APSunNetworkHongKongLimited-HongKong Hong Kong 9->71 65 C:\Users\user\AppData\...\insttect.exe, PE32 9->65 dropped 67 C:\Users\user\AppData\...\Microsoft.dll, PE32 9->67 dropped 69 C:\Users\user\AppData\...\insttect.exe (copy), PE32 9->69 dropped 89 Contains functionality to infect the boot sector 9->89 91 Bypasses PowerShell execution policy 9->91 93 Adds a directory exclusion to Windows Defender 9->93 18 cmd.exe 1 9->18         started        20 cmd.exe 1 9->20         started        23 powershell.exe 23 9->23         started        25 insttect.exe 9->25         started        73 127.0.0.1 unknown unknown 14->73 file5 signatures6 process7 signatures8 27 regsvr32.exe 3 7 18->27         started        30 conhost.exe 18->30         started        83 Adds a directory exclusion to Windows Defender 20->83 32 powershell.exe 23 20->32         started        34 conhost.exe 20->34         started        85 Loading BitLocker PowerShell Module 23->85 36 conhost.exe 23->36         started        87 Contains functionality to infect the boot sector 25->87 process9 signatures10 95 System process connects to network (likely due to code injection or exploit) 27->95 38 cmd.exe 27->38         started        40 cmd.exe 27->40         started        42 cmd.exe 1 27->42         started        44 2 other processes 27->44 97 Loading BitLocker PowerShell Module 32->97 process11 process12 46 powershell.exe 38->46         started        49 conhost.exe 38->49         started        51 powershell.exe 40->51         started        53 conhost.exe 40->53         started        55 conhost.exe 42->55         started        57 tasklist.exe 42->57         started        59 findstr.exe 42->59         started        61 13 other processes 42->61 63 4 other processes 44->63 signatures13 99 Loading BitLocker PowerShell Module 46->99
Threat name:
Win32.Trojan.Generic
Status:
Suspicious
First seen:
2025-05-12 07:38:57 UTC
File Type:
PE (Exe)
Extracted files:
74
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery
Behaviour
Program crash
System Location Discovery: System Language Discovery
Unpacked files
SH256 hash:
d6c9eb64005c8cb42e9d2738096c0c6fc6708da8204aed186946a51f7f5c093c
MD5 hash:
a4b5a115d3e3fac823ef345a4891219a
SHA1 hash:
5605376afe7b16c9aed2a833be442a5efe66ac46
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:has_telegram_urls
Author:Aaron DeVera<aaron@backchannel.re>
Description:Detects Telegram URLs
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_peb_parsing
Author:Willi Ballenthin
Rule name:meth_stackstrings
Author:Willi Ballenthin
Rule name:pe_no_import_table
Description:Detect pe file that no import table
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:Windows_Shellcode_Rdi_eee75d2c
Author:Elastic Security

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_PIEMissing Position-Independent Executable (PIE) Protectionhigh
CHECK_TRUST_INFORequires Elevated Execution (level:requireAdministrator)high
Reviews
IDCapabilitiesEvidence
COM_BASE_APICan Download & Execute componentsole32.dll::CLSIDFromProgID
ole32.dll::CoCreateInstance
ole32.dll::CoInitializeSecurity
ole32.dll::CreateStreamOnHGlobal
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteW
URL_MONIKERS_APICan Download & Execute componentsurlmon.dll::URLDownloadToCacheFileW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
KERNEL32.dll::OpenProcess
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
WININET.dll::InternetCloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::SetConsoleCtrlHandler
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
SHELL32.dll::SHCreateDirectoryExW
KERNEL32.dll::CreateFileMappingW
KERNEL32.dll::CreateFileA
KERNEL32.dll::CreateFileW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExA
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryInfoKeyW
ADVAPI32.dll::RegQueryValueExA
ADVAPI32.dll::RegQueryValueExW
WIN_TRUST_APIUses Windows Trust APIWINTRUST.dll::WinVerifyTrust
WINTRUST.dll::WTHelperProvDataFromStateData
WIN_USER_APIPerforms GUI ActionsUSER32.dll::FindWindowW
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments